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172 REV.030429
SERVICE INSTRUCTIONS
CONTINUED
4)
Install brake hub assembly through thrust washers item 615, engage spline with freespool coupling item 260,
and fasten with coupling fastener item 738.
INCORRECT ASSEMBLY OF THE FRICTION PLATE AND DIVIDER PLATE
STACK WILL REDUCE BRAKING CAPACITY AND ALLOW THE LOAD
TO DROP, CAUSING PROPERTY DAMAGE, SEVERE INJURY OR
DEATH. REASSEMBLE PER INSTRUCTIONS.
5)
Install brake spacer item 712, into brake housing. Starting and finishing with a divider plate, alternately install
14 divider plates item 713, and 13 friction plates item 715.
6)
Liberally grease O-ring item 751, and O-ring item 753, and install on the brake piston item 750.
7)
Carefully insert the brake piston into the brake housing and turn the piston to line up the bore for the connecting
tube item 830, with the bore in the motor item 850.
8)
Install the eight brake springs item 752.
9)
Install new, well-greased O-ring item 707, on motor adaptor pilot item 800.
10) Position motor adaptor with hydraulic motor mounting holes horizontal and the connecting tube holes of the
piston aligned with motor adaptor. Tighten six capscrews item 821, and lockwashers item 823, one turn at a
time to evenly compress springs.
REPLACE HYDRAULIC MOTOR ASSEMBLY:
1)
Install new O-rings item 831, on each end of the connecting tube item 830, and apply grease liberally. Insert
the long end of the connecting tube into motor adaptor item 800.
2)
Install new, well-greased O-ring item 811, on flange of the hydraulic motor, and two new, well-
greased O-rings item 834, on check valves item 832.
3)
Insert check valves in face of motor and fasten motor to motor adaptor using two capscrews item 815, and
lockwashers item 817.
REASSEMBLY OF FINAL DRIVE ASSEMBLY:
Reassemble final drive assembly by reversing the disassembly procedure.
1)
Return winch to a horizontal position, standing on its mounting feet.
2)
Reassemble final planet hub assembly. Press pre-greased needle bearing item 323, midway into
final planet gear item 320. Position thrust washers item 321, on either side of planet gear and
press planet pin item 310, into the final planet hub item 300. Retain with circlip item 311.
3)
Insert final planet hub assembly into final housing, so that spline interlocks with cable drum.
4)
Install freespool housing item 250, in final housing item 100, being sure to align spring pin item 259, with notch
in final housing.
5)
Install retaining ring item 124, and pipe plugs item 121.
DANGER
