31377618
Displacement Pump
See manual 311845 for pump repair instructions.
Removal
1. Flush pump.
2. Relieve pressure; page 7.
3. Fig. 7. Remove suction tube (34) and hose (26).
Fig. 7
26
34
ti13904a
4. Fig. 8. Push retaining spring (194) up. Push out pin
(249).
194
Fig. 8
249
ti13905a
5. Fig. 9. Loosen jam nut. Unscrew pump.
Fig. 9
ti13906a
Installation
C
UTION
If the pump jam nut loosens during operation, the
threads of the hydraulic motor manifold will be dam-
aged. Tighten jam nut as specified.
1. Fig. 10. Screw jam nut to bottom of pump threads.
Screw pump completely into manifold. Unscrew
pump from manifold until pump outlet aligns with
hose. Hand tighten jam nut, then tap 1/8 to 1/4
turn with hammer or torque to 200 ft-lb (270 N·m).
Fig. 10
ti13907a
2. Fig. 11. Slowly pull engine starter rope until pump
rod pin hole is aligned with hydraulic rod hole.
Fig. 8. Push pin (249) into hole. Push retaining
spring (194) into groove.
Fig. 11
ti13908a
Fig. 12. Fill packing nut with Graco TSL.
Fig. 12
ti13809a
To Next Page
Loading...
