STRUCTURALS 5540F/YB5515 SERVICE MANUAL
11-40
15. Install the hoses and fittings to the brake cylinder
release port (Figure 11-82).
16. Install a new O-ring on the motor pilot then lubricate with
petroleum jelly or gear oil.
NOTE: Care must be taken to assure the primary thrust
plate remains properly located in its counter bore
when the motor is installed for the first time, or is
being reinstalled on the winch. It is possible for the
primary thrust plate to drop out of its counter bore
and become wedged between the planet gears and
the planet carrier. If the winch is operated with the
primary thrust plate wedged between primary
gears and the planet carrier, or with a thrust washer
out of position, severe damage to internal winch
components could result.
17. Measure the distance from the motor mounting surface
to the inner brake race (Figure 11-83). With all
components properly installed, this distance should be
11/16 in.(17.5 mm) to 3/4 in. (19.1 mm). If this distance is
less than 9/16 in. (14.3 mm), the primary spacer may be
positioned as shown in Figure 11-84 and should be
checked.
The Primary Thrust Plate is shown wedged between the
planet gears and the planet carrier. Note that the
Primary Sun Gear and the entire Brake Clutch Assembly
have moved to the right (toward the hydraulic motor).
18. Engage the motor shaft with the brake clutch inner race
and lower motor into place. Tighten capscrews to
recommended torque.
19. Install the hoses that connect the manifold and brake
valve to the brake cylinder (Figure 11-85).
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