Grove Published 11-22-2016, Control # 345-12 4-35
RT9130E-2 SERVICE MANUAL BOOM
Fasteners and Torque Values, page 1-18 for the torque
value for the capscrew.
5. Connect the extend and retract hoses to the lift cylinder.
6. Lubricate the upper lift cylinder pin and related bushings
in the boom’s lift cylinder attachment lugs and in the lift
cylinder rod end.
7. Activate the crane’s hydraulic system and align the lift
cylinder rod end with the boom’s lift cylinder attachment
lug holes as needed.
8. Using the hand pump located on the left side of the
boom, insert the pump lever (found in cab) into the hand
pump. Turn the pump flow control lever
counterclockwise and pump the pump lever until the
upper lift cylinder pin pins the rod end of the lift cylinder
to the boom’s lift cylinder attachment lugs, and the upper
lift cylinder pin’s flange portion fits completely against
the left side of the boom’s left lift cylinder attachment lug.
The lift cylinder may need to be raised or lowered to aid
in the installation of the upper lift cylinder pin. This can
be done by using the jack on the lift cylinder support.
Shut down the engine.
9. Apply medium strength adhesive/sealant to the upper lift
cylinder pin’s related capscrew. Secure the upper lift
cylinder pin to the boom with the capscrews and
washers. Torque the capscrews; refer to Fasteners and
Torque Values, page 1-18 for the torque values for the
capscrews.
10. Remove the lifting and supporting devices from the
boom and lift cylinder. Activate the hydraulic system and
check the lift cylinder for proper operation and any leaks.
11. Lubricate the pivot shafts at their grease fittings.
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