5-3
GRT9165 SERVICE MANUAL HOIST AND COUNTERWEIGHT
Published 10-01-2020 Control # 699-00
holes. Torque capscrews following specification under
Fasteners and Torque Values, page 1-16.
5. Install the hoist roller (11).
6. Install the upper shaft (7)
7. Install the hoist rotation indicator sensor (5).
8. Connect the hoist rotation indicator sensor electrical
connectors as tagged during removal.
9. Install the standoff fitting (29). Torque standoff fitting to
35 N-m (26 ft-lb).
10. Lubricate O-ring, then install O-ring and hydraulic motor
adapter plate. Apply medium strength thread locker to
the capscrews and torque to 42 N-m (31 ft-lb).
11. Install new O-ring (22). Lube O-ring, then install
hydraulic motor. Torque capscrews following
specification in Fasteners and Torque Values, page 1-
16.
12. Connect the hoist control valve electrical connectors as
tagged during removal.
13. Reattach gearbox sight glass hoses and fittings.
14. Reinstall plug into the tee in the lower hose of the sight
glass.
15. Connect the hydraulic lines to the motor and brake as
tagged during removal.
16. Ensure the bearing is full of grease.
17. Ensure gear box is filled with oil to the proper level.
Refer to section titled Hoist Lubrication, page 9-44.
18. Install cable onto hoist assembly. Refer to Installing
Cable On Hoist, page 5-2.
19. Adjust the minimum wrap switch, refer to Adjusting 3rd
Wrap Switch, page 5-9.
Functional Check
1. Attach a test weight to the hook. Raise and lower the
load several times.
2. Check for smooth operation of the hoist motor and brake
system.
3. Ensure hydraulic connections are secure and free from
leaks.
Hoist Fluid Level Check
Refer to the sub-section titled Hoist Lubrication, page 9-44 of
the Lubrication section for information on properly checking
the hoist oil level.
A comprehensive hoist line pull and load holding test must
be carried out following any such repair work.
Manitowoc Crane Care offers prepackaged kits that include
all seals, bearings, fasteners, washers, brake disks, brake
stators, and springs required for reassembling hoist after
inspection. If components not included in the kit are found to
be worn or damaged, contact your Manitowoc Cranes
distributor or Manitowoc Crane Care to order a replacement.
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