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Repair
311594Z 29
Crank Arm Kit 15H883
NOTE: Crank Arm Kit 15H883 is available. Order two
kits to rebuild both crank arm assemblies. Use all the
new parts in the kit. The kit includes manual 311604.
NOTE: Crank Arm Cover Kit 15H378 is available to
replace both crank arm covers (21, 32). Use all the new
parts in the kit.
1. Jog the motor to bring the pump on the side being
repaired to the bottom of its stroke. This provides
access to the coupling nut (14).
2. Relieve pressure, page 9.
3. Shut off electrical power to the unit.
4. Disconnect the crank arm. See steps 4-11 on pages
26-27.
5. See F
IG
. 19. Remove the outer retaining ring (6)
securing the crank arm (4) to the connecting rod (7).
Slide the crank arm shaft out of the connecting rod.
6. Assemble the crank arm (4) to the connecting rod
(7) with two retaining rings (6), oriented as shown.
7. Ensure that the joints between the bearings (8) align
with the pin hole (PH) in the slider piston. See F
IG
.
17 on page 27.
8. Reconnect the crank arm assembly. See steps
14-21 on page 27.
9. Repeat for the other side.
F
IG
. 19. Crank Arm and Connecting Rod
ti8718a
7
4
9, 8
6