AMC-25CF

72 Pages·2017·12.4 MB·English

AMC-25CF
Mobile Dental System
SERVICE MANUAL &
PARTS LIST
AMC-25CF
TABLE OF CONTENTS WASTE OUTLET QUICK DISCONNECT FITTING . . . . . . . . 12
WASTE PUMP POWER SWITCH . . . . . . . . . . . . . . . . . . 12
TABLE OF CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . .2 220 VOLT ACCESSORY OUTLETS . . . . . . . . . . . . . . . . . 12
ASSEMBLY VIEWS & PARTS LISTS . . . . . . . . . . . . . . . . . . .3 110V ACCESSORY OUTLET . . . . . . . . . . . . . . . . . . . . . 13
WASTE COMPARTMENT LATCH . . . . . . . . . . . . . . . . . .13
GENERAL SERVICE INFORMATION . . . . . . . . . . . . . . . . . .4
WASTE TUBE HANGER . . . . . . . . . . . . . . . . . . . . . . . .13
INSPECTION & OPERATION VERIFICATION . . . . . . . . . . . . .4
WASTE COMPARTMENT DOOR . . . . . . . . . . . . . . . . . . 13
AIR/WATER SYRINGE . . . . . . . . . . . . . . . . . . . . . . . . . .4
WASTE COMPARTMENT DOOR HINGE . . . . . . . . . . . . . 13
WATER FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
WASTE TANK SENSOR . . . . . . . . . . . . . . . . . . . . . . . . 14
AIR FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
WASTE PUMP CONNECTOR . . . . . . . . . . . . . . . . . . . . 14
VACUUM SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
HOSPITAL QUICK DISCONNECT . . . . . . . . . . . . . . . . . .14
INSTRUMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
HIGH AND LOW VACUUM GROMMETS . . . . . . . . . . . . . 14
CLEANING AND LUBRICATION . . . . . . . . . . . . . . . . . . .6
VACUUM RETURN GROMMET . . . . . . . . . . . . . . . . . . .14
ADHESIVES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
AMALGAM SOLIDS TRAP AND WASTE SHIELD . . . . . . . . 14
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 VACUUM RETURN FLOAT . . . . . . . . . . . . . . . . . . . . . . 14
FRONT & SIDE PANELS REMOVAL . . . . . . . . . . . . . . . . .7 AEU-5000 ELECTRIC MOTOR RECEPTACLE . . . . . . . . . . .15
ISOLATION TRANSFORMER . . . . . . . . . . . . . . . . . . . . .7 AEU-5000 ELECTRIC MOTOR DISPLAY PANEL . . . . . . . . .15
THREE-WAY SOLENOIDS . . . . . . . . . . . . . . . . . . . . . . .7 SCALER ADJUSTMENT POTENTIOMETER . . . . . . . . . . . .15
AIR TANK CHECK VALVE . . . . . . . . . . . . . . . . . . . . . . . .7 SCALER WAND . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
PRESSURE SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . .7 PNEUMATIC HANDPIECE FIBER-OPTIC TUBING . . . . . . . 16
VACUUM VENTURI SWITCH . . . . . . . . . . . . . . . . . . . . .8 CURING LIGHT TUBING . . . . . . . . . . . . . . . . . . . . . . . 16
AIR TANK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 FOOT PEDAL AND TUBING . . . . . . . . . . . . . . . . . . . . .16
VACUUM VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 SYRINGE AND SYRINGE TUBING . . . . . . . . . . . . . . . . . 16
VENTURI GROUP ASSEMBLY . . . . . . . . . . . . . . . . . . . . .8 AUXILIARY WATER & AIR QUICK DISCONNECTS . . . . . . . 17
VENTURI MUFFLERS . . . . . . . . . . . . . . . . . . . . . . . . . .8 HANDPIECE PRESSURE GAUGE . . . . . . . . . . . . . . . . . . 17
COMPRESSOR MOTOR ASSEMBLIES . . . . . . . . . . . . . . . .8 SYRINGE FLOW ADJUSTMENT BLOCK . . . . . . . . . . . . . .17
MOTOR MOUNTS . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 SYSTEM CONTROL VALVES . . . . . . . . . . . . . . . . . . . . .17
PRESSURE COMPRESSOR REPLACEMENT . . . . . . . . . . . .9 CHECK VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
VACUUM COMPRESSOR REPLACEMENT . . . . . . . . . . . . .9 35 PSI FIXED REGULATOR . . . . . . . . . . . . . . . . . . . . . .18
ISOLATED HIGH-VOLTAGE TERMINAL BLOCK . . . . . . . . . .9 SCALER CONTROL MODULE . . . . . . . . . . . . . . . . . . . .18
WASTE PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 SCALER TRANSFORMER . . . . . . . . . . . . . . . . . . . . . . .18
WASTE PUMP TRANSFORMER . . . . . . . . . . . . . . . . . . . .9 FIBER OPTICS MODULE . . . . . . . . . . . . . . . . . . . . . . . 18
PRESSURE COMPRESSOR COOLING FAN . . . . . . . . . . . .10 FIBER OPTIC TRANSFORMER RECEPTACLE . . . . . . . . . . .18
VACUUM COMPRESSOR COOLING FAN . . . . . . . . . . . . .10 QUIN HANDPIECE BLOCK . . . . . . . . . . . . . . . . . . . . . .18
WASTE PUMP CONTROL VALVE . . . . . . . . . . . . . . . . . .10 MANIFOLD 4-PORT ASSEMBLY . . . . . . . . . . . . . . . . . .19
WASTE SENSOR CONNECTOR . . . . . . . . . . . . . . . . . . .10 AIR PILOT VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
AEU-5000 POWER BOARD . . . . . . . . . . . . . . . . . . . . . 10 SHUTTLE VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
AEU-5000 POWER SUPPLY . . . . . . . . . . . . . . . . . . . . . 10 SYSTEM PRESSURE GAUGE . . . . . . . . . . . . . . . . . . . . .19
VACUUM AND WASTE RELAYS . . . . . . . . . . . . . . . . . . 11 EXTERNAL PRESSURE GAUGE . . . . . . . . . . . . . . . . . . . 19
110V TERMINAL BLOCK . . . . . . . . . . . . . . . . . . . . . . . 11 VACUUM SWITCHES . . . . . . . . . . . . . . . . . . . . . . . . . 19
NEUTRAL TERMINAL BLOCK . . . . . . . . . . . . . . . . . . . . 11 VACUUM SPLITTER . . . . . . . . . . . . . . . . . . . . . . . . . . 19
24V ISOLATION TERMINAL BLOCK . . . . . . . . . . . . . . . . 11 SCALER SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
AIR INPUT FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . 11 SYSTEM FILTER/REGULATOR . . . . . . . . . . . . . . . . . . . 20
POWER INPUT CONNECTOR . . . . . . . . . . . . . . . . . . . . 11 FILTER/REGULATOR FILTER . . . . . . . . . . . . . . . . . . . . .20
VOLTAGE SELECTOR SWITCHES . . . . . . . . . . . . . . . . . . 11 EXTERNAL SYSTEM FILTER/REGULATOR . . . . . . . . . . . . 20
CIRCUIT BREAKERS . . . . . . . . . . . . . . . . . . . . . . . . . .12 EXTERNAL SYSTEM FILTER/REGULATOR FILTER . . . . . . . 20
AIR TANK RELEASE VALVE . . . . . . . . . . . . . . . . . . . . . 12 LV AND HV AIR PILOT VALVES . . . . . . . . . . . . . . . . . . . 20
2 See “MASTER PARTS LIST” on page 66
AMC-25CF
AMALGAM MANIFOLD . . . . . . . . . . . . . . . . . . . . . . . 21 LEFT BOTTOM MOTOR WALL ASSY (PN 330717) . . . . . . . .50
WASTE LINE CHECK VALVE . . . . . . . . . . . . . . . . . . . . .21
LEFT UPPER MOTOR WALL ASSY (PN 330718) . . . . . . . . . . 51
WATER FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
INNER MOTOR WALL ASSY (PN 330719) . . . . . . . . . . . . . .51
WATER BOTTLE CAP COUPLING GASKETS . . . . . . . . . . .21
WATER BOTTLE CAP COUPLINGS . . . . . . . . . . . . . . . . .21 COMPRESSOR TANK ASSY (PN 330720) . . . . . . . . . . . . . . 52
TOP LID LOCKING HINGE . . . . . . . . . . . . . . . . . . . . . .21 VACUUM SPLITTER ASSY (PN 330722) . . . . . . . . . . . . . . . 52
TOP LID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
MIDDLE SHELF ASSY (PN 330721) . . . . . . . . . . . . . . . . . .53
INSTRUMENT HOLDERS . . . . . . . . . . . . . . . . . . . . . . .22
REAR ELECTRIC INPUT ASSY (PN 330723) . . . . . . . . . . . . .54
ARM ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
CASTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 POWER OUTPUT PLATE ASSY (PN 330724) . . . . . . . . . . . . 55
TUBING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
REAR FILTER PANEL ASSY (PN 330725) . . . . . . . . . . . . . .56
WIRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
REAR ELECTRICAL PANEL ASSY (PN 330726) . . . . . . . . . . .56
STERILIZATION AND MAINTENANCE . . . . . . . . . . . . . . . .23
WASTE COMPARTMENT WALL ASSY (PN 330727) . . . . . . . .57
TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . . . . . .25
BULKHEAD ASSY (PN 330728) . . . . . . . . . . . . . . . . . . . .58
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . .25
ARM & SPINDLE ASSY (PN 330746) . . . . . . . . . . . . . . . . . 59
REQUIRED TOOLS LIST . . . . . . . . . . . . . . . . . . . . . . . . .25
TOP PANEL ASSY (PN 330730) . . . . . . . . . . . . . . . . . . . .60
FINAL INSPECTION AND TESTING . . . . . . . . . . . . . . . . . .26
TOP PANEL ASSY (PN 330730) Continued 61
SYMBOL DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . 27
REAR DOOR ASSY (PN 330731) . . . . . . . . . . . . . . . . . . . .62
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
REAR DOOR ASSY HOSPITAL OPTION . . . . . . . . . . . . . . .62
WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
RIGHT SIDE PANEL ASSY (PN 330732) . . . . . . . . . . . . . . .63
REPAIRS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
LEFT SIDE PANEL ASSY (PN 330733) . . . . . . . . . . . . . . . .63
ASSEMBLY VIEWS & PARTS LISTS
HOSPITAL REGULATOR . . . . . . . . . . . . . . . . . . . . . . . .64
HOSPITAL INPUT CONNECTORS . . . . . . . . . . . . . . . . . . .64
FINAL ASSEMBLY • EXTERNAL VIEWS . . . . . . . . . . . . . . .30
WASTE PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
FINAL ASSEMBLY • TOP VIEW (1 of 3) . . . . . . . . . . . . . . . .31
WASTE PUMP HOSPITAL OPTION . . . . . . . . . . . . . . . . . .65
FINAL ASSEMBLY • FRONT VIEW (1 of 2) . . . . . . . . . . . . . .34
MASTER PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . .66
FINAL ASSEMBLY • RIGHT SIDE VIEW (1 of 2) . . . . . . . . . . .36
FINAL ASSEMBLY • LEFT SIDE VIEW (1 of 2) . . . . . . . . . . . .38
FINAL ASSEMBLY • REAR VIEW (1 of 2) . . . . . . . . . . . . . . .40
ACCESSORY TRAY ASSEMBLY . . . . . . . . . . . . . . . . . . . . 42
VACUUM VALVE ASSEMBLY (PN 330762) . . . . . . . . . . . . . 42
AEU-5000 MOUNT ASSEMBLY . . . . . . . . . . . . . . . . . . . .43
WASTE TANK ASSY (PN 330671) . . . . . . . . . . . . . . . . . . .44
WASTE TANK ASSY - HOSPITAL OPTION (PN 330672) . . . . .44
VACUUM PUMP ASSY (PN 330712) . . . . . . . . . . . . . . . . .45
PRESSURE PUMP ASSY (PN 330713) . . . . . . . . . . . . . . . .46
FRONT MOTOR WALL ASSY (PN 330714) . . . . . . . . . . . . . 47
REAR MOTOR WALL ASSY (PN 330715) . . . . . . . . . . . . . .48
RIGHT MOTOR WALL ASSY (PN 330716) . . . . . . . . . . . . . .49
See “MASTER PARTS LIST” on page 66 3
AMC-25CF
GENERAL SERVICE INFORMATION the power cord detached, it is safe
Fig. 4-1
to use the AMC-25CF in operating
rooms (in the presence of anesthet-
1 . This service and parts manual offers information and parts lists
ics and flammable gases) . Connect
not available in the AMC-25CF operation and maintenance instruc-
external vacuum, air and water lines
tion manual . It will help you better understand the operation of
(not supplied) to the vacuum, air
the AMC-25CF, thereby reducing service time . See the schematic
and water connectors on the rear of
diagram set for assembly drawings with individual part numbers,
the AMC-25CF cart, using the mating
plumbing diagrams, and electrical schematics . The plumbing and
connectors provided . The external
electrical diagrams show all air, water, and wiring components as
operating air pressure is shown on
installed in the unit . A Replacement Parts list (page 25) is also
the gauge labeled ‘External System Fig. 4-2
included . Use the information in the parts lists when ordering
Pressure’ (Fig .  4-1) located under
replacement parts .
the top lid . Pressure is factory set so
there is no need to adjust the regu-
lator knob labeled “External System
INSPECTION & OPERATION VERIFICATION
Regulator” (Fig . 4-2)
2 . To verify that the unit is functioning properly, first follow the 5 . The system uses two compres-
setup procedure in the operation sors, one for pressure and the other
Fig. 2-1
and maintenance manual . The for vacuum . The vacuum compres-
system is designed to operate from sor uses venturi boosters to increase
110V or 220V 50/60Hz power . A man- the vacuum . The pressure com-
A
ually operated switch (Fig . 2-1 A), pressor is controlled by a pressure
located above the power inlet, allows sensor located on the tank . The sensor activates the compressor
the user to select the proper voltage . air pressure whenever the air reservoir needs to be recharged .
The system is protected by two 5A The recharge starts when the pressure in the air reservoir drops to
circuit breakers and one 15A circuit approximately 100 PSI, and it stops when the reservoir becomes
breaker incorporated into the main fully charged at a factory preset of approximately 110 PSI .
power switch .
6 . All the handpiece, curing light, scaler, and vacuum instrument
3 . Toggle the Bottle Pressure switch (Fig . 3-3 F), to the ON position . holders are air-activated Fig. 6-1
Toggle the Air Tank Pressure switch, holders . If the high volume
located on the bottom-left rear of Fig. 3-1 ejector (HVE) (Fig . 6-1 A) or A
the unit, to the ON position . Turn the low volume saliva ejector B C
main power switch, located on the instruments (Fig . 6-1 B) are
bottom-right rear of the unit, to the removed from their holders
ON position, along with the pressure (or if they aren’t properly
and vacuum switches . The elec- seated in their holders), the
tric-motor control panel should light vacuum compressor will
up and the compressor pump should run continuously .
fill the air reservoir and water bottles .
With the compressor pump engaged, AIR/WATER SYRINGE
the air reservoir should pressurize to
a factory preset of approximately 110 7 . Check the 3-way air/water syringe (Fig . 6-1 C) by depressing the
PSI (7 .58 bar) and the system should Fig. 3-2 air and water syringe buttons individually then both simultane-
pressurize to a preset of 80 PSI (5 .5 ously for spray . A syringe air/water flow adjustment block is located
bar) . The 80 PSI system pressure is under the top lid, behind the divider wall, beside the scaler module .
regulated by the regulator/filter
(Fig . 3-2), which is located under the
top lid . The system pressure is indi-
cated on the circular pressure gauge, which is also located under
the top lid and marked “System Pressure” (Fig . 3-1) .
4 . The optional hospital connections provide the ability operate
the unit solely from external vacuum, air and water sources, or in
combination with the internal vacuum, air and water sources . With
Fig. 3-3
A B C D E F G H I
4 See “MASTER PARTS LIST” on page 66
AMC-25CF
WATER FILTERS handpieces, plus the curing light and scaler are activated by the air-
driven foot control .
8 . Inspect the water filters (Fig . 8-1
A) on the ends of the water pick-up Fig. 8-1
Pneumatic Handpieces (2 Qty):
tubes that protrude into the two
water bottles . If the water filters
12 . With handpiece #1 removed
become clogged and restrict the A from its holder, activate the foot Fig. 12-1 A
water flow, they need to be replaced .
control and check the handpiece
CAUTION: Do not run saline solutions
pressure on the gauge located on
through the water system—saline
the front panel marked “Handpiece
will corrode the water filters .
Pressure .” Adjust the handpiece pres-
B
sure to the proper setting by adjust-
AIR FILTERS ing the knob labeled “HP1” (Fig . 12-1
E) on the control block located
9 . The two air filters (Fig . 9-1 A) are under the top lid . IMPORTANT: Adjust
Fig. 9-1
located behind the louvered cover to the pressure recommended by C
on the rear of the cart, near the base . the handpiece manufacturer . NOTE:
If the air filters become clogged, they The handpiece pressure gauge on
need to be replaced . To replace the the front panel will be approximately
air filters, remove the four screws 3 PSI higher than a gauge installed
D
holding the louvered input air filter at the end of the line, between the
A
cover . Use a 11/16” open ended fitting and the handpiece . Toggle
wrench to hold the fitting at the base the coolant air toggle switch located
of each air filter, then unscrew each on the right side of the unit to the
air filter by hand . Install new air filters ON position . Adjust the coolant air E
(PN 730494) in the reverse order . control valve (Fig . 3-3 H) and feel
for air coming out of the handpiece .
The water toggle switch located
VACUUM SYSTEM
on the foot control activates the
Fig. 12-2
water through the control module .
10 . To check the function of the OFF ON
Fig. 10-1 Toggle the water switch (Fig . 12-2 A
vacuum system, first allow the
) to ON and adjust the HP1 water
system to reach full pressure . Check
A coolant valve (Fig . 3-3 A), for proper
the solids trap screen (inside waste
spray . Ensure that the light in the A
container, on bottom of the lid) to
handpiece turns on when the foot
ensure that it is clear of debris . Check
control is depressed and turns off
that the large tube to the waste
approximately 10 seconds after the
tank is fully seated in the grommet
foot control is released . Place the
and all the other tubes are properly
#1 handpiece back into its holder
connected to the tank . Ensure that the waste sensor (Fig . 10-1 A)
and remove the second high-speed
is plugged into the connector on the unit . The system will not acti-
handpiece from its holder . Repeat the previous procedures for this
vate the compressor if this connection is disconnected . Fill a con-
second handpiece, but adjust the knob labeled “HP 2” (Fig . 12-1 D
tainer with one liter of water . Turn the valve on the low vacuum
) on the control block for proper pressure and adjust the HP2 water
saliva ejector instrument to the OFF position and submerge the
coolant valve (Fig . 3-3 B) . When set up properly, replace the second
HVE instrument into the container . It should take approximately 6
high-speed handpiece into its holder .
seconds to extract the liter of water from the container using the
HVE . Refill the liter of water and turn the HVE instrument OFF and
the saliva ejector to ON, then submerge the saliva ejector instru- Curing Light:
ment into the container . It should take approximately 42 seconds to
remove one liter of water using the saliva ejector . 13 . Remove the curing light (Fig . 11-1 C) from its holder . Toggle
the water valve on the foot control to the OFF position . Activate
the foot pedal and adjust the instrument pressure to 25 PSI with
INSTRUMENTS
the knob labeled “CURING LIGHT” (Fig . 12-1 B) on the control block .
Replace the curing light into its holder . IMPORTANT: Avoid looking
11 . To check the functions
Fig. 11-1 directly into the curing light . Ensure that darkened eyewear is worn
of the high-speed hand-
pieces, curing light, scaler, B C D prior to activating the foot pedal .
and electric motor, remove A E
each instrument from their Scaler:
respective holders one
at a time, starting with 14 . Remove the scaler (Fig . 11-1 B) from its holder . Toggle the
handpiece #1 (Fig . 11-1 E water switch on the foot control to the ON position . Depress the
) on the left arm . All of the foot pedal and adjust the knob labeled “SCALER” (Fig . 12-1 A) on
the control block to a minimum of 20 PSI . Adjust the HP4 water
coolant valve (Fig . 3-3 D) until the scaler flow is no less than 20
See “MASTER PARTS LIST” on page 66 5
AMC-25CF
ml/min at the tip . Check the intensity of the scaler by turning the CLEANING AND LUBRICATION
ultrasonic intensity adjustment knob located on the upper left side
of the front cover . Replace the scaler into its holder and lock the 19 . When servicing the unit, the parts of any component disas-
holder out when not in use . sembled should be thoroughly cleaned and inspected before
reassembly . A hot detergent solution is an effective cleaner on all
non-electrical parts . Flush all non-electrical parts with clear, hot
Electric Handpiece (1):
water . Abrasive cleaners have the potential to damage surface fin-
ishes and should be avoided . Any wiping should be done with a
15 . Remove the electric handpiece (Fig . 11-1 A) from its holder .
soft lint-free cloth .
Depress the foot control pedal and adjust the knob labeled
“ELECTRIC MOTOR” (Fig . 12-1 C) on the control block to read 30
20 . Electrical parts should be cleaned with an appropriate electri-
to 45 PSI max . on the gauge . Adjust the HP3 water coolant valve
cal parts cleaner or air .
(Fig . 3-3 C) to control water flow to the electric handpiece . Return
the electric handpiece to its holder .
21 . Use a silicone base lubricating grease, such as Parker Super
O-Lube, PN 490006, to lubricate O-rings and seals in the system .
Handpiece Flush Toggle: Before performing any reassembly of parts that contain O-rings or
seals, apply a light coat of silicone grease . This will make installation
16 . To check the handpiece flush toggle switch (Fig . 3-3 G) remove easier and prevent the O-rings or seals from being damaged .
a high-speed handpiece and toggle the switch to the ON position .
Ensure that water flows through the line . ADHESIVES
Waste System: 22 . Refer to included schematic drawing set (PN 421177), for
proper identification and application of all adhesives . Part numbers
17 . To check the waste pump, and descriptions for adhesives are listed in the Master Parts list on
Fig. 17-1
use the HVE instrument to page 66 .
vacuum a liter of water to the
A
waste container . Place the HVE
back into its holder . Connect the
B
waste hose elbow (Fig . 17-1 D) to
C
the waste discharge (Fig . 17-1 B)
on the back of the unit by insert-
ing the waste hose elbow until
it locks into place . Switch on the
waste purge pump (Fig . 17-1 C D
) to empty the waste system .
While emptying, check that
the blue waste control valve
Fig. 17-2
(Fig . 17-2 A) located in the waste A
compartment works properly
by manually turning the valve
clockwise to decrease flow of
the liquid and counterclockwise
to increase flow . Ensure that the
waste tank empties, then switch
off the waste purge pump . To
disconnect the waste hose,
depress the button (Fig . 17-1 A) on top of the waste discharge and
pull out the waste hose elbow . NOTE: The waste hose must be con-
nected to the waste discharge to enable the pump to remove fluid
from the waste tank .
Electrical System:
18 . The power outlet receptacles and curing light, waste sensor,
and motor switching on/off are tied to an isolation transformer
with two 1A circuit breakers and the 15A input circuit breaker . The
scaler is tied to the 15A circuit breaker to a dedicated transformer
for the scaler . The waste pump is tied to the 15A input to a ded-
icated transformer with two 1/2A circuit breakers . The two com-
pressor motors are protected by the two 5A circuit breakers . The
electric motor is tied to the 15A input circuit breaker to a medical
grade power supply .
6 See “MASTER PARTS LIST” on page 66
AMC-25CF
DISASSEMBLY THREE-WAY SOLENOIDS
28 . Two three-way solenoids (PN
23 . NOTE: Most of the plumbing for the unit is accessible by lifting Fig. 28-1
730698) (Fig . 28-1 A) are located on
the top lid and latching it in the upright position . The power sup-
the underside of the middle shelf,
plies, compressors, waste pump and miscellaneous items are acces-
behind the air tank . Disconnect all 3
sible by removing the front and side panels . Power inlets and most
wires from the blade connectors on
of the power outlets are accessible by removing the panels in the
each solenoid . Note that the green/
rear of the unit .
yellow ground wire leads to the
same ground post as the compressor
FRONT & SIDE PANELS REMOVAL on the vertical support . Remove the A
two mounting screws (PN 510717) for
24 . Remove accessory tray, each solenoid from the top side of
Fig. 24-1
arm, and post from the top lid . the middle shelf using a 2mm Allen wrench . Remove the tubes (PN
Lift the top lid and lock it open . C 730130) to the solenoids with a 7/16” open-end wrench .
Remove the single screws (PN
510477) located on the bottoms 29 . If replacing solenoids, remove the fittings from the old valves
B
of the left-hand and right-hand and mount onto the new solenoids . Install solenoids in reverse
side panels with a 3/32” Allen order of step above . Refer to plumbing schematic and electrical
wrench . Remove the four bolts schematic for proper termination .
(PN 510693) (Fig . 24-1 A) attach-
ing the large blue handles (PN AIR TANK CHECK VALVE
A
330540) to each side panel with
a 3/16” Allen wrench . Remove 30 . The air tank check valve (PN
both handles . Remove the water 730099) (Fig .  30-1 A) is the large Fig. 30-1
bottles (PN 730631-01) (Fig . 24-1 fitting on the side of the tank at
B) and their caps (Fig . 24-1 C) from the right-side panel . Remove the bottom . Remove the smaller A
both side panel assemblies . tube (PN 730130) to the side fitting
(PN 730117) with a 7/16” open-end
25 . Swing the instrument arms away from the front panel . Remove
wrench . Remove the larger tube (PN
the two screws (PN 510404)
Fig. 25-1 730131) from the check valve with a
from the top of the front panel,
5/8” open-end wrench . Remove the
and the four screws (PN 510506)
side fitting from the check valve with
(Fig . 25-1 A) from the bottom
a 7/16” open-end wrench . Remove
front and sides of the panel with
the check valve with a 7/8-inch open-
a 3/32” Allen wrench . Carefully
end wrench .
pull the front panel straight out
A
approximately 1” . Reach behind 31 . Replace components in the reverse order . Ensure that the
the panel and disconnect the larger tube still has the internal sleeve clamp (PN 730262) attached
4-pin white connector from the to the inside-diameter of the tube .
electric motor display assembly and then continue to pull the panel
out until detached . Take care not to break the connections to the
PRESSURE SWITCH
scaler knob . The front panel can be removed, if necessary, by
running all of the tubing through the manifold access slot, but typ-
32 . The pressure switch (PN 830142)
ically this isn’t necessary to gain access inside the front of the unit . Fig. 32-1
(Fig . 32-1 A) is located on the side of
Alternatively, the front panel can be pivoted out of the way, to the
the air tank, at the top . Disconnect
left side of the unit, without detaching any additional wiring or
the 2 wires from the blade connec-
tubing: while carefully looping the instrument hosing through the
tors on the switch . Remove the pres-
bulkhead access opening, swing the right edge of the panel away
sure switch from the brass nipple
from the chassis approximately 90° . This will open up the front of
the chassis, providing adequate working access to the front of the (PN 730177) with a 9/16” open-end A
wrench on the nipple and a 1” open-
unit .
end wrench on the switch . Install the
new pressure switch in the reverse
ISOLATION TRANSFORMER
order . Make sure the wire with the yellow sleeve is attached to the
Fig. 26-1 A blade connector furthest away from the air tank . Open the top lid
26 . The isolation transformer (PN on the unit, raise the knob on the system pressure regulator (PN
800118) (Fig . 26-1 A) is on the chassis 730598), and then rotate the knob clockwise to full open . This will
base . Disconnect the wires going to allow you to observe the system pressure gauge on the top shelf
the transformer, at the transformer . while setting the pressure . Power up the unit . CAUTION: The termi-
Remove the four mounting screws nal blocks and connecting wires are live when the unit is powered
(PN 510312) and lock washers (PN 510421) on the transformer with up . Adjust the cut-out pressure to 110 PSI according to the gauge
a 1/8” Allen wrench . on the side of the pressure switch by turning the large black dial
on the pressure switch . Readjust the pressure regulator back to
27 . Reassemble the transformer in the reverse order . Refer to elec-
approximately 80 PSI .
trical schematic for proper termination .
See “MASTER PARTS LIST” on page 66 7
AMC-25CF
fittings . Remove the mounting screw (PN 510404) . Remove the
DISASSEMBLY (Continued)
tube coming through the wall to the tube .
VACUUM VENTURI SWITCH 37 . Reassemble in the reverse order referring to the plumbing
schematic for proper installation .
33 . This pressure switch (PN 830142)
Fig. 33-1
(Fig . 33-1 A) is located on the side
VENTURI GROUP ASSEMBLY
of the air tank, at the top and is
mounted at 90 degrees to the stem .
38 . If a venturi is plugged, it is
Disconnect the 2 wires from the Fig. 38-1
possible to repair it by removing
blade connectors on the switch .
Remove the pressure switch from the A the tube and fitting (PN 730195) A B
(Fig . 38-1 A) from the top two
brass nipple (PN 730177) with a 9/16”
venturi nozzles (PN 461852)
open-end wrench on the nipple and
and bottom nozzle (PN 462608
a 1” open-end wrench on the switch .
with a 7/16” and a 9/16” open-
Install the new pressure switch in the reverse order . Make sure the
end wrench . Then remove the
wire with the yellow sleeve is attached to the blade connector fur-
nozzle from the venturi body
thest away from the air tank . Open the top lid on the unit, raise the
with a 7/16” wrench for the nozzle and a ¾” wrench for the body .
knob on the system pressure regulator (PN 730598), and then rotate
Clean out the orifice in the nozzle using a drill with a 0 .062” diame-
the knob clockwise to full open . This will allow you to observe the
ter bit for the top two venturis and a 0 .037” drill bit for the bottom
system pressure gauge on the top shelf while setting the pressure .
venturi . Ensure that the orifice is clear with no chips or burs, which
Power up the unit . CAUTION: The terminal blocks and connecting
will affect performance . If you need to remove the venturi assem-
wires are live when the unit is powered up . Adjust the cut-in pres-
blies, continue by removing the mounting bracket (PN 462434) by
sure to 70 PSI according to the gauge on the side of the pressure
removing the two screws (PN 510160) using a 5/64” Allen wrench .
switch by turning the large black dial on the pressure switch .
Remove the vacuum tube (PN 730373) from the vacuum valve
assembly . To remove the venturi from the bracket (PN 462434),
AIR TANK remove the two screws (PN 510309) from the bracket with a 3/32-
inch Allen wrench .
34 . Remove the drain line (PN
Fig. 34-1
AA-95G) (Fig . 34-1 A) from the 39 . Reassemble the venturis in the reverse order .
A
bottom of the tank with a 7/16”
open-end wrench . Remove the
VENTURI MUFFLERS
air check valve (paragraph 30)
and the pressure switch (para-
40 . Grasp the venturi assembly and unscrew muffler (PN 330564)
graph 32) from the air tank .
(Fig . 38-1 B) from venturi body, either by hand or with a pair of
Loosen the caster under the
channel locks .
tank with two ¾” wrenches until
the nut is held onto the caster Fig. 34-2 41 . Replace by screwing muffler on, hand tight .
with minimal threading . Open
the top lid on the unit and lock
COMPRESSOR MOTOR ASSEMBLIES
in the raised position . Swing
A
the instrument arms to the left
42 . To access the vacuum
side of the unit . Remove the two Fig. 42-1
and pressure compressors for
screws (PN 510404) attaching
service or replacement, remove
the right-hand vertical angle B
the right motor wall (PN 462435)
(PN 461665) to the top shelf A
by disconnecting the air inlet
with a 3/32” Allen wrench . Undo
hose (PN AA-86G) (Fig . 42-1 A
the three clamps (PN 510514) around the tank with a 5/16” socket
) from the pressure compres-
or a standard screwdriver . Use a 5/32” Allen wrench to remove the
sor, then removing the four
two screws (PN 510477) on both sides of the angle that attach the
screws (PN 510160) (Fig . 42-1 B
upright bracket (PN 461665) to the chassis base . Lift slightly on the
) from the corners of the right
top shelf to tilt the upright away from the unit . Remove the tank .
motor wall using a 5/64” Allen
Remove all of the components from the old tank and replace onto
wrench . Next disconnect the
the new tank .
horizontal panel (PN 462431)
35 . Reassemble the air tank in the reverse order from the left upper motor wall Fig. 42-2
by removing the two screws
Fig. 36-1 (PN 510160) (Fig . 42-2 A) using a A
VACUUM VALVE
5/64” Allen wrench, then tilt the
panel up at an angle to improve
36 . The vacuum valve (Fig . 36-1
access to the left bottom motor
A) is located on the underside A wall . To gain access to the left Fig. 42-3 A
of the middle shelf in the left
sides of the compressors you
front of the unit . Remove the C
will need to partially remove
gray tubing (PN 730373) from
the left bottom motor wall (PN
the valve and the gray tubes 462429) so that you can pull it B
(PN AA-95G) from the bottom
back far enough to reach the
8 See “MASTER PARTS LIST” on page 66
AMC-25CF
compressors . Disconnect the black hose (PN 730131) (Fig . 42-3 A) ISOLATED HIGH-VOLTAGE TERMINAL BLOCK
from the pressure compressor using a 9/16” wrench . Remove the
capacitors (Fig . 42-3 B) from their clips . Remove the four screws (PN 48 . This terminal block (PN
Fig. 48-1 A
510160) (Fig . 42-3 C) that attach the left bottom motor wall at the 860256) is located on the left
corners using a 5/64” Allen wrench . Pull the left bottom motor wall side of the chassis base . Remove
out far enough to gain access to the compressor mounting hard- all the wires going to the ter-
ware . Remove the four mount bumper nuts (PN 510296 & 510468) minal block with a #2 Phillips
from the top of the motor mount of each compressor using a 7/16” screwdriver . Remove the two B C
wrench, then remove the eight motor mount nuts (PN 510098) mounting nuts (PN 510395)
from each compressor from the underside of the cart using a pair (Fig . 48-1 A) with a 5/16” open-end wrench, then remove block and
of 7/16” wrenches . Follow the wire looms and ground wires from insulator (PN 461971) . Note the positions of the 3-position jumper
each compressor and disconnect them from the terminal blocks (PN 860253) (Fig . 48-1 B) and 2-position jumper (PN 860254)
and posts where they are attached . Lift the compressors out of the (Fig . 48-1 C), then remove jumpers from the old terminal block and
cart . attach to the new block .
43 . Reinstall the compressors in the reverse order . Refer to the 49 . Reassemble the terminal block in the reverse order, referring to
electrical schematic for proper installation . the electrical schematic for proper installation .
MOTOR MOUNTS WASTE PUMP
44 . Remove the compres- 50 . Remove the green/yellow
Fig. 44-1 Fig. 50-1 A
sors as described previously . B C A ground wire (Fig . 50-1 A) from
Remove the four washers (PN the chassis using a 11/32”
520837) and eight grommets wrench . On the back side of the
(PN 870236) (Fig . 44-1 A) from cart, remove the eight screws
the rubber mounts (PN 730752) . (PN 510160) that attach the
Using a channel locks to remove power outlet assembly with a
the rubber mounts, grip the rubber mount as close to the motor 5/64” Allen wrench . Follow the
mount plate as possible to avoid tearing the rubber . Remove the white and black wires from the
motor mount plate (PN 462408) (Fig . 44-1 B) with the two anti-vi- pump to the white rocker switch Fig. 50-2 A
bration pads (PN 490070) (Fig . 44-1 C) which are stacked together (PN 830108) (Fig . 50-2 A) on the
and attached to the motor mount plate with an adhesive strip on power outlet assembly and dis-
one side and a Teflon strip (PN 490172) on the opposite side . connect . Cut the cable ties that
secure the tubing to the pump
45 . Replace motor mounts in the reverse order . ends and remove both gray
tubes (PN AA-82G & 730312)
PRESSURE COMPRESSOR REPLACEMENT from the pump . Remove the four mounting screws (PN 510404)
from the pump with a 3/32” Allen wrench . Feed the pump wires
46 . Remove the pressure com- through the grommet in the middle shelf and remove the pump .
Fig. 46-1 A
pressor (PN 730725) from the
51 . Reassemble the waste pump in the reverse order, referring to
unit and remove the motor
the electrical schematic for the proper installation .
mount as described previously .
On the old compressor remove
the three fittings (PN 730735, WASTE PUMP TRANSFORMER
330633, 730372) (Fig .  46-1 A
) on the outboard ports of the 52 . The waste pump trans-
Fig. 52-1
two heads using 9/16” & 5/8” former (PN 800060) (Fig . 52-1 A
wrenches and attach to the new ) is located on the right side of A
compressor with the same orientation . the middle shelf . Remove the
three female wire terminals
from the transformer . Remove
VACUUM COMPRESSOR REPLACEMENT
the two screws (PN 510160) with
a 5/64” Allen wrench .
47 . Remove the vacuum com-
Fig. 47-1
pressor (PN 730726) from the A
53 . Reassemble in the reverse
unit and remove the motor
B order, referring to the electrical schematic for proper installation .
mount as described previously .
On the new compressor remove
the four plugs from the sides
of the heads using a 1/4” Allen
wrench and install them into the
ends of the heads (Fig . 47-1 A) .
On the old compressor, remove
the four fittings (PN 730329, 730484) on the side ports (Fig . 47-1 B)
of the two heads using 3/8” & 5/8” wrenches and attach to the new
compressor with the same orientation .
See “MASTER PARTS LIST” on page 66 9
AMC-25CF
WASTE SENSOR CONNECTOR
DISASSEMBLY (Continued)
60 . The waste sensor connec-
PRESSURE COMPRESSOR COOLING FAN Fig. 60-1
tor (PN 875139) is located on
the inboard side of the waste
54 . The pressure compres-
Fig. 54-1 shield, above the large vacuum
sor cooling fan (PN 540012) is
tube . Follow the wires to the ter-
A
located on the rear motor wall .
minal block (PN 860241) under
Remove the rear electrical panel
the upper shelf and remove
(PN 462443) by removing the
wires with a #2 Phillips screw-
four screws (PN 510691) at the
driver . Remove the sensor nut
corners using a #2 Phillips screw-
(Fig . 60-1 A) on the inboard side
driver . Leaving all the wires and
of the connector with a 9/16” wrench and then pull the connector
A
hoses connected, pull the elec-
out through the outboard side of the waste shield, from the waste
trical panel back far enough to
compartment .
access the fan . Remove the four
screws (PN 510160) (Fig . 54-1 A) holding the fan to the wall using 61 . Reassemble the waste sensor connector in the reverse order .
a 5/64” Allen wrench . Trace the wires to the terminal block on the Refer to electrical schematic for proper installation .
left bottom motor wall and remove with a #1 flat-blade screwdriver .
AEU-5000 POWER BOARD
55 . Reassemble fan in the reverse order with the air flow indicator
on the fan pointing toward the rear of the unit . Refer to the electri-
cal schematic for proper installation . 62 . The AEU-5000 power PCB Fig. 62-1 A
board (PN 330565-C) is located
on the left inboard side of the
VACUUM COMPRESSOR COOLING FAN
waste shield . Disconnect the
cables going to the board .
56 . The vacuum compres- Fig. 56-1 Remove the sleeve clamp (PN B C
sor cooling fan (PN 540012) is
461607) and tube (PN 730227)
located on the left upper motor
(Fig . 62-1 B) going to the board
wall (PN 462430) . First, discon-
with a pair of needle-nose pliers .
nect the horizontal panel (PN
Remove the board mounting
462431) from the left upper
A screw (Fig . 62-1 C) with a #2
motor wall by removing the two D
Phillips screwdriver .
screws (PN 510160) (Fig . 42-2 A)
using a 5/64” Allen wrench, then 63 . Reassemble power board
tilt the panel up at an angle to in the reverse order, referring to
allow movement of the left upper motor wall . Remove the four electrical and plumbing sche-
screws (PN 510160) at the corners of the left upper motor wall using matics for proper installation .
a 5/64” Allen wrench . Pull the left upper motor wall out far enough IMPORTANT: The AEU-5000
to access the fan . Remove the four screws (PN 510160) (Fig . 56-1 A power PCB board is not a user-serviceable component and should
) holding the fan to the wall using a 5/64” Allen wrench . Trace the be returned to Aseptico if repairs are necessary .
wires to the terminal block on the left bottom motor wall and
remove with a #1 flat-blade screwdriver .
AEU-5000 POWER SUPPLY
57 . Reassemble fan in the reverse order with the air flow indicator
on the fan pointing toward the rear of the unit . Refer to the electri- 64 . The AEU-5000 power supply (PN 330570) (Fig . 62-1 A) is located
cal schematic for proper installation . directly above the AEU-5000 power board . Disconnect the three-
pin connector (Fig . 62-1 D) with the red and black wire at the power
board . Cut the cable ties along the length of the power input cable
WASTE PUMP CONTROL VALVE
(PN 875148), then disconnect the wires from the terminal blocks
using a #2 Phillips screwdriver . Remove the four screws (PN 510016)
58 . This pump control valve
Fig. 58-1 that attach the power supply to the waste shield using a 0 .05” Allen
(PN 730609) (Fig .  58-1 A) is A
wrench .
located on the inboard wall of
the waste container shield (PN 65 . Reassemble in the reverse order, referring to the electrical
462495) . Remove the two tubes schematic for proper installation .
(PN 730312) going to the valve
by pushing in on the white rings B
(Fig .  58-1 B) and pulling the
tubes out of the valve . Remove
the two retaining clamps (PN 510686) with an 11/32” wrench .
59 . Replace control valve in the reverse order .
10 See “MASTER PARTS LIST” on page 66