Set winch with gear housing end down on work surface.
Install well-oiled o-rings and backup rings into grooves on outside of brake piston and backup brake piston as shown in
crosssection A-A below.
Piston, backup piston, brake discs and stators must be clean and free of grease and oil.
Insert brake discs (item #4) and stators (item #3) into gear end alternating, with stators first and last.
Insert backup brake piston (item #6) into motor end and insert brake piston (item #5) into it. Apply even pressure on piston
when installing.
Install retaining rings (items #39, 46) into grooves in motor end housing.
39
46
5
28
Insert springs (item #40) into pockets in back of brake piston.
The two empty pockets should be on opposite sides.
Install roll pin (item #35) into new motor coupling below
bottom of spline teeth. Insert motor coupling (item #23),
engaging it with the discs and the input shaft.
Place gasket (item #25) on mounting surface
of motor (item #27). Slide motor shaft into
coupling. Attach motor to motor end bearing
housing using (2) capscrews (item #18) and
(2) lockwashers (item #22). Evenly tighten to
49 ft-lbs. (66 Nm) torque.
Install the counterbalance valve (item #42) to
the motor using (4) capscrews (item #14)
and (4) lockwashers (item #21). Tighten to
17 ft-lbs (23 Nm).
Securely connect fittings (item #24) to motor
end housing and counterbalance valve, and
connect tube assembly (item #41) to fittings.
Apply at least 550 PSI hydraulic system pressure
to brake and verify that brake releases
31
29
6
4
33
30
32
3
MOTOR SIDE
A
A
18
22
24
41
42
14
10
31
29
30
32
28
5
6
SECTION A-A
27
25
23
40
35
21
24
45
33
DRUM SIDE