STRUCTURALS 5540F/YB5515 SERVICE MANUAL
11-20
planet set and insert the output sun gear 16 into the
output planet set.
7. Install the input planet set into the drum. Make sure it fits
into the output sun gear.
8. Install the input sun gear 9 and thrust washer9 into the
input planet set. Again, coat the thrust washer with a
light coat of grease.
9. Install a new seal 4, o-ring 12 into the bearing carrier
(Figure 11-28) Install the bearing (5, Figure 11-20) into
the bearing carrier (Figure 11-28). Grease the o-ring on
the bearing carrier and install the bearing carrier into the
drum. It must be installed with the o-ring nearest the
motor end.
10. Place the brake section into the winch bracket
(Figure 11-29). Make sure that the pilot of the brake
section aligns with the bore in the bearing carrier and
that the bolts for the motor are aligned properly. Install
the mounting capscrews and tighten to a torque of 100
to110 lb-ft. (130 to 143 Nm). Also, make sure that the
level and vent plugs (Figure 11-30) in the cover are
properly oriented.
11. Install a new o-ring (17, Figure 11-20) on the face of the
motor and install the motor/brake valve assembly and
connect the hoses.12. Fill both the gearbox and the
brake section with the proper amount and type of
lubricant. See Preventative Maintenance, Section 5.
Motor Group
1. Tag the hoses for proper installation and remove them
from the motor and brake valve. See Figure 11-31.
2. Remove the counterbalance valve assembly from the
motor.
Remove the cartridge from the counterbalance valve
assembly and inspect the metering hole (Figure 11-32) to
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