EN - 15
Remove Bottom Cover
Models 920021, 920024
1. Place unit in service position. See
2. Remove six hex bolts retaining cover and
remove cover. Save for reinstallation.
Model 920022
1. Place unit in service position. See
2. Remove three top-lock flange nuts
retaining height-adjuster plate to height-
adjuster bracket.
3. Remove height-adjuster plate and three
spacers on the round head square neck
bolts. The height-adjuster stop will be
attached to the rear axle.
4. Slide height-adjuster stop to the right and
rotate it away from frame.
NOTICE:
The track carriage will rotate freely
without the height-adjuster bracket. Keep
fingers and hands away from pinch points.
5. Remove six bolts retaining bottom cover
and remove cover. Rotate track carriage
as needed to remove cover.
Lubricate Unit
Use the following key for all lubrication
procedures.
Traction Drive
1. Lubricate as shown in Figures 18, 19, 20
IMPORTANT:
DO NOT allow grease or oil to
contact friction disc, friction plate or belts.
2. Reinstall bottom cover and return unit to
operating position.
Figure 17
1. Top-lock Flange Nut
2. Height Adjuster Plate
3. Height Adjuster Stop
4. Bottom Cover
5. Rear Axle
6. Spacer
*
= Lubricate on Both Sides
Grease
Oil
Figure 18
*
*
*
Models 920021, 920024
