Universal Joint Repair - Oregon 480RT Original Instruction Manual

Table of Contents

Advertisement

DEALER SERVICE
NOTICE
Distortion to seal cage or damage to seal lip will
cause seal to leak.
5. Reinstall drain plug and remove fill plug. Fill gearbox with
SAE 80W or 90W gear lube until it runs out the level plug.
6. Follow the instructions 1-3 in reverse order for assembly.
Output (Hollow) Shaft Repair
1. Disconnect and remove the driveline from the gearbox.
2. Remove drain plug and drain gear lube from the gearbox.
3. Remove the gearbox hex drive shield.
4. Remove internal snap ring and washer from gearbox end.
5. With the snap ring removed, the hex drive shaft can be
removed through the side of the tiller gearbox.
6. The faulty shaft seal can be removed and replaced with a
new seal (refer to Seal Installation, page 23).
7. Follow the instructions 1 through 5 in reverse order for
reassembly.
Side Drive Repair
1. Place tiller on jack stands and turn off tractor.
2. Remove top 1/2" breather.
3. Place oil catch basin underneath side drive and remove
16 - 3/8" bolts and washers.
4. Remove cover pan and retain gasket, inspecting it for
cracks or tears.
5. Repair and replace as needed.
6. Follow the instructions 1 through 4 in reverse order for
reassembly.
24

Universal Joint Repair

1. Yoke
2. Cup and bearing
3. Snap ring
4. Journal cross
Figure 18. Universal Joint Parts Breakdown
U-Joint Disassembly
1. Remove external snap rings from yokes in four locations
as shown in Figure 19.
Figure 19. Remove Snap Ring
2. With snap rings removed, support drive in vise, hold yoke
in hand and tap on yoke to drive cup up out of yoke. See
Figure 20.
Figure 20. Remove Cups

Advertisement

Table of Contents
loading

This manual is also suitable for:

600rt720rtOr60rt-1Or48rt-1

Table of Contents