Blue Diamond Drum Mulcher, Operation And Maintenance Manual, Page: 44 / 90

42
Drum Mulcher Operation and Maintenance Manual
Maintenance
Stub Shaft
Removal
Figure 24
1. Remove drive belt, lower sprocket, skid plates
and cutting drum bearings; see “Drive Belt” on
page 36, “Sprocket” on page 38, “Skid Plate”
on page 39 and “Cutting Drum Bearing and
Shaft Seal” on page 39 for instructions.
2. Slip the cutting drum out with the end plates on
[Figure 24] .
Figure 25
3. Remove all M16 fasteners off the stub shaft
[Figure 25] .
4. Use two of the M16 fasteners with clean and
lubricated threads to insert in the puller holes to
separate the stub shaft flange away from the
cutting drum.
Replacement
Figure 26
1. Inspect stub shaft pilot and cutting drum pilot
hole; sand the surfaces smooth if necessary
[Figure 26] .
2. Lubricate cutting drum pilot hole.
3. Install stub shaft with medium strength thread-
locker on the fasteners. Torque to 218 ft-lb (296
N·m).
4. Before installing the bearing housing covers,
inspect the shaft run out. Maximum run out: ±
0.015”.