Repair
3A1570L 23
Repair
Disconnect Pump
See manual 309577 for pump repair instructions.
1. Turn main heater power OFF .
2. Follow Flushing, page 15.
3. Follow Pressure Relief Procedure, page 14.
4. Follow Park instructions, page 15.
5. Shut off both feed pumps and close both inlet
supply valves (F).
6. Shut off inlet air ball valve (G)
7. Remove screws (13, 15) and pump covers (63).
8. Disconnect A side (21) and B side (23) steel outlet
tubes from adapters (312).
9. Remove adapter (312) from fluid outlet (M).
10. For A Side pump, disconnect barb fitting (318),
elbow fitting (317), and two pipe plugs (324).
It is not necessary to cut tubes connected to barb fit-
tings.
Unless otherwise noted, all repair procedures must
be completed with incoming power switched OFF
and locked out at the source. Any electrical repair or
troubleshooting required beyond the scope of this
manual must be performed by a qualified electrician.
Shut off air inlet ball valve and shut off all air supply
pressure.
Air motor shaft, yoke, pump rod and connecting rod
move during operation. Moving parts can cause seri-
ous injury such as pinching or amputation. Keep
hands and fingers away from connecting rod during
operation.
21
23
324
317
312
312
ti17990a
318
M
M
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