NMC-WOLLARD 2021Truax Blvd., Eau Claire, WI 54703, Phone (715) 835-3151, Fax (715) 835-6625
M100 Tow Tractor Manual No. 46052
PAGE 4
CHAPTER 2 MAINTENANCE
4 REPAIRS
AUGUST 31, 2008
4.2.3 Inspection and Cleaning
1. Inspect for corrosion buildup, cracks in metal, bent or broken components
and loose, missing, stripped or damaged wheel studs or nuts. Completely
remove rust, dirt and other foreign materials from all mating surfaces.
Mating surfaces must be free of paint. Especially important to clean are
the areas used for mounting the wheel to the vehicle; hub, wheel nuts,
studs, and mating surfaces of wheels. Use hand or electric wire brushes,
light sand blasting, or brake cleaner/degreaser. Remove any metal
wear. If warped or if hole damage is found, replace wheel.
2. If one wheel stud fails, all the wheel studs on that hub must be replaced
because it is very likely that the remaining studs have been over stressed
and may even be cracked. If this is not done, continued failure will result.
3. Inspect tire for uneven wear. Replace any badly worn tire.
4. Inspect tire for cuts, nails, stones in tread, or deterioration. If damage is
severe, replace tire.
5. Inspect wheels for cracks and other damage. If damaged, replace wheel.
4.2.4 Repair
1. Remove stones and other foreign material imbedded in tires.
2. Repair punctures or cuts if possible.
3. Remove nicks, burrs, and rust from wheels. Clean rim sealing area with
coarse steel wool. Repaint wheel if necessary.
4.2.5 Assembly
1. If removed, install a new valve stem in wheel.
2. Mount tire on wheel using standard safety equipment, tire changing
equipment, and safety practices. To help get tire on, always use an
approved rubber lubricant or use a small amount of soapy water for
lubricating tire bead.
3. Install valve core and place entire assembly in restraining device and
sides.
4. Inspect tire and wheel components while still in restraining device to make
install valve cap.
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