NMC-WOLLARD 100 - Wheel Bearings

NMC-WOLLARD 2021Truax Blvd., Eau Claire, WI 54703, Phone (715) 835-3151, Fax (715) 835-6625
M100 Tow Tractor Manual No. 46052
PAGE 25
CHAPTER 2 MAINTENANCE
1 SERVICING
APRIL 15, 2012
4. Move toe-in gauge to behind wheels. Set pointers exactly on scribed
lines. Top of pointers should be as near the center of the spindle height as
possible.
5. Carefully remove gauge without altering pointer setting. Align one pointer
with scribe mark on the front of one of the tires. Check distance between
the other pointer and scribe mark on other tire. The distance will indicate
amount of toe-in or toe-out present.
6. Loosen tie rod jam nuts and rotate tube to obtain 0.15 .030 (5/32 1/32)
toe-in./
7. Tighten jam nuts to secure adjustment.
1.8.2 Wheel Bearings
1. To provide adequate working space under tractor, raise front of tractor with
jack and support tractor with appropriate jack stands. Position jack so it
does not interfere with work.
2. Remove front wheel and tire assemblies, see 2-4 - 4.2.
3. Remove center cap from hub.
4. Remove cotter pin, spindle nut, and washer from spindle.
5. Remove hub. Outer wheel bearing cone will slide out of hub. Inspect
outer bearing cone and cup. Remove bearing cone and cup if they appear
damaged in any way. (Always replace cup and cone as a set.)
NOTE: Always replace grease seals.
6. Remove grease seal. Inspect inner bearing cone and cup. Remove
bearing cone and cup if they appear damaged in any way. (Always replace
cup and cone as a set.)
7. Using a clean rag, wipe old grease from spindle, hub, and bearings.
8. Install new outer bearing cup, if removed.
9. Install new inner bearing cup, if removed.
10. Install new grease seal, if removed, using a plug to place pressure evenly
around seal. If you bend or otherwise damage seal, discard and use a
new one.
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seal to fail or grease cap to pop loose after assembly.
11. Spread grease inside hub cavity.
12. Use grease to lubricate the seal lip.