PAGE 18
SERVICE INSTRUCTIONS CONTINUED
240 REV.980615
8) Liberally grease three new O-rings, item 801, and install into the recesses on motor adaptor, item 800. Install
new, well-greased O-ring, item 707, on flange of motor adaptor.
9) Slide hydraulic motor assembly onto splined end of motor drive shaft, item 730, and line up pressure transfer
holes of brake housing and motor adaptor. Install eight capscrews, item 821, and lockwashers, item 823.
Tighten one turn at a time to evenly compress springs.
REASSEMBLY OF HYDRAULIC MOTOR:
If the hydraulic motor was disassembled, the following procedure should be followed for reassembly:
1) Clean all parts thoroughly before reassembly and apply grease liberally to all seals. Use only new seals (seal
kit Part No. 23139) for hydraulic motor.
2) Install two new end seals, item 887, and two new side seals, item 891, into openings in thrust plate, item 885.
Install new backup seal, item 897, over top of side and end seals with tabs facing towards thrust plate. Place
thrust plate assembly onto motor adaptor, item 800, with backup seal against motor adaptor.
3) Install gear set, item 881, into bushings, item 875. Gear with internal splines engages with motor drive shaft,
item 730.
4) Install well-greased gasket seal, item 869, on each side of gear housing, item 861. Slide gear housing, together
with gasket seals, onto motor adaptor, item 800, lined up on two dowel pins, item 865. Tap on tight using a soft
headed hammer.
5) Install other thrust plate, complete with seals, on top of gear set with backup seal facing upwards.
6) Install port end cover, item 870, together with two bushings, item 875, onto the gear housing, lined up on two
dowel pins, item 865. Tap on tight using a soft headed hammer. Install and lightly torque four hex capscrews,
item 951, and lockwashers, item 953, to approximately 50 ft-lb (70 Nm).
7) Plumb winch assembly to a hydraulic supply and torque motor capscrews according to the following procedure:
- Ensure that circulation supply flow is being supplied to the brake housing.
- Run the winch , with no load, in the hoisting direction at reduced speed
(approximately 30% of maximum hydraulic volume).
- With winch running, evenly tighten four capscrews, item 951, to 450 ft-lb (610 Nm).
- Test motor operation by running winch at full speed in both directions.
IMPORTANT: Before operating the winch, add lubricating oil up to the level of the end cover oil fill port.
(Refer to INSTALLATION INSTRUCTIONS for location of fill port. Refer to APPENDIX A
for oil volume required.)
LIFTING A LOAD WITH A NEWLY SERVICED WINCH WILL ENABLE AN
INSTALLATION OR SERVICE PROBLEM TO GO UNDETECTED AND
ALLOW THE LOAD TO DROP CAUSING PROPERTY DAMAGE, SEVERE
INJURY OR DEATH. TO ENSURE PROPER REINSTALLATION,
REFER TO PROCEDURES AND TESTS DESCRIBED IN
"INSTALLATION" AND "OPERATING INSTRUCTIONS".
DANGER
To Next Page
Loading...
