MCi Crusader II 1989 Maintenance Manual page 518

Date
1-1-89
Page · ___
1 _ 7 -_ 6 _ _
MC-9 MAINTENANCE MANUAL
Figure 17-9. Air Flush Chemical Tank.
1. Chemical Tank
2. Clean-Out Plug
3. Air Flush Pump
4. Nameplate - Servicing Procedure
5. Lavatory Exhaust Blower & Motor
6. Rinse Tube
7. Hose - Sink Drain ·
8. Drain Valve Handle
REMOVAL ANO DISASSEMBLY
1. Discharge and clean the waste chemical tank as des-
cribed under Service and Cleaning.
2. Remove air line from lower pan assembly.
3. Refer to figure 17-10. Remove only the 3116" (4.7 mm)
brass hex nuts that mount the air pump assembly to chemical
tank.
NOTE: The 6 small hex nuts should not be
removed at this time. Disassembling these
will
separate both pump halves after the
pump is removed.
4. Carefully remove air pump assembly and invert or place it
on its side.
·5. Remove flexible tubing from the flush outlet port on the air
pump assembly.
WARNING: Pump assembly spring is com-
pressed to 25 lbs. (11.3 kg) pre-load. Exer-
cise care during disassembly.
1. Grid
2.
Comb
3. Upper Pan Assy.
4. Spring Housing Pan Assy.
5. Lower Pan
6 .. Spring
7. Cotter Pin
8. Conical Spring
9. Pump Valve
10. Gasket
11. Valve Plate
12. Pan Retaining Screw
13. Washer
14. Self-Locking Nut
15. Screw
16. Washer
17. Washer
Figure 17-10. Air Flush Pump Disassembled.
6. Remove lower pan assembly from air pump assembly.
7. Remove retaining ring securing comb and. grid.
8. Remove cotter pin securing conical spring. Remove
spring and comb stem.
9. Remove screws securing pump valve to flush outlet port.
10. Remove plate and gasket from pump valve.
11. Remove pump valve from flush outlet port.
12. Remove spring from spring housing assembly.
Reassemble in reverse order of disassembly.
Figure 17-11 shows the air-operated flush system intercon-
nection. Also see figure 17-12.