22 Dealer Service
MAN1249 (2/28/2018)
Input Shaft Repair
1. Disconnect and remove the driveline and driveline
shield from the gearbox.
2. Remove drain plug and drain gear lube from the
gearbox.
3. Remove mast plates from the tiller frame.
4. Remove shaft seal. Replace with new seal (see
Seal Installation, page 21).
NOTE: 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 21).
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.
Universal Joint Repair
Figure 17. Universal Joint Parts Breakdown
U-Joint Disassembly
1. Remove external snap rings from yokes in four
locations as shown in Figure 18.
Figure 18. 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 19.
Figure 19. Remove Cups
1. Yoke
2. Cup and bearing
3. Snap ring
4. Journal cross
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