NOTE: When repairing the gearbox order the following as needed.
1. Complete Assembly
2. Long Housing Assembly
3. Long Housing
4. Short Housing Assembly (See Note Below)
5. Internal Parts
NOTE: The short housing is only available as an assembly. (See Gearbox Parts Identification on Page 70-60-6.) (Order parts from Bobcat Parts Sales.)
NOTE: Be sure to count the number and thickness of shims during disassembly. Install the shims in the original location during assembly.
NOTE: Always replace seals during assembly.
Replace the parts in the gearbox as needed.
Remove the fan and blower housing mounting plate. (See Gearbox/Blower Housing Removal And Installation on Page 70-60-2.)
Long Housing
Loosen the set screws (Item 1) and remove the pulley (Item 2) [Figure 70-60-18].
Remove the long key (Item 3) [Figure 70-60-18].
Remove the four mounting bolts and the part number tag [Figure 70-60-19].
Remove the oil from the gearbox.
Drill an 1/8 inch (3 mm) hole in the seal. Use a slide hammer tool to remove the seal [Figure 70-60-20].
Remove the small snap ring [Figure 70-60-21].
Remove the small shims [Figure 70-60-22].
Remove the screw and washer from the shaft [Figure 70-60-23].
Support the lower flange and press the shaft from the bearing [Figure 70-60-24].
NOTE: The gear and the other bearing (pulley end) will be removed with the shaft.
Support the bearing and press the shaft from the bearing [Figure 70-60-25].
Short Housing
Remove the end cap [Figure 70-60-26].
Use care not to damage the housing.
Drill an 1/8 inch (3 mm) hole in the seal. Use a slide hammer tool to remove the seal [Figure 70-60-27].
Remove the large snap ring from the flange end of the housing [Figure 70-60-28].
Remove the large shims from the housing [Figure 70-60-29].
NOTE: Use the same size and thickness of shims during assembly.
Remove the screw and washer (Item 1) [Figure 70-60-30] from the shaft.
Remove the snap ring from the cap end of the housing [Figure 70-60-31].
Press the shaft from the housing [Figure 70-60-32].
NOTE: Both bearings may come out of the housing with the shaft. If one bearing remains in the housing use a non metal object to tap the bearing from the housing.
Press the bearing from the tapered end of the shaft [Figure 70-60-33].
Press the bearing, shims and gear from the shaft [Figure 70-60-34].
Remove the key from the shaft [Figure 70-60-35].