ATTACHMENTS
12H-25
SECTION 12H. REAR ROLLER
DISASSEMBLY
1. Remove roller from the cutting unit (see
Section 12F).
2. Remove locknuts from both ends of the roller
shaft.
3. Remove the bearings and discard the old seals.
INSPECTION
Clean and inspect the bearings. Replace if necessary.
Clean the outside diameter of the wear sleeve and
check for grooves. If grooves are present, replace the
wear sleeve.
REASSEMBLY
1. Use a suitable press to install a bearing cup, taper
to the outside, in one of the roller tubes.
2. Pack the bearing with grease.
3. Using a suitable press, install a bearing cone,
taper in, in one end of the roller shaft.
4. Be careful not to damage the inner seal, install the
roller shaft into the roller tube.
5. Pack the bearing cavity 3/4 full of grease.
6. Using a suitable tool, install an outer seal, lip to
the inside.
7. Install a wear sleeve and locknut. Do not tighten
the locknut.
8. Repeat Step 1 through Step 7 for the other end of
the roller.
9. Evenly tighten both locknuts 10 to 30 ft-lbs
(13.5 to 40.6 Nm). This will set in the bearings.
10.Back off one locknut. Retighten the same locknut
to obtain a roller rotational torque of 3 to 7 in-lbs
(0.3 to 0.8 Nm).
Figure 12H-1. Rear Roller Repair
DANGER
Do NOT spin the bearing using compressed air.
12H
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