STRUCTURALS 5540F/YB5515 SERVICE MANUAL
11-42
Assembly
1. Place the output planet carrier on workbench with
splined coupling side down. Install output thrust plate in
center of carrier (Figure 11-89).
2. Insert two (2) bearings and a bearing spacer into a gear
with the spacer between the bearings. Place a thrust
washer on each side of the gear and position in a carrier
opening.Slide the shaft through the carrier, thrust
washer, bearing-gear subassembly and remaining thrust
washer (Figure 11-90).
3. Carefully align the pin hole in the carrier with the hole in
the planet gear shaft (Figure 11-91) and drive the roll pin
into place. Always use NEW roll pins. When properly
positioned, 50%of the roll pin will engage the planet gear
shaft and 50% will remain in the planet carrier.
4. Note that the roll pin is slightly recessed in the carrier
when properly installed. With a center punch
(Figure 11-92); stake the carrier next to the pin hole as
shown. This will distort the hole so the pin will not back
out. Repeat these steps for each of the three planet
gears.
Primary Planet Carrier
To service the primary planet carrier, the step are the same
as for the output carrier except there is only one bearing for
each gear and no bearing spacer.
Motor Support-Brake Cylinder Service
NOTE: Some of the illustrations show spined brake discs.
This brake uses a lobed steel brake separator and
motor support as shown in Figure 11-93.
Reference Only
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