NMC-WOLLARD 2021Truax Blvd., Eau Claire, WI 54703, Phone (715) 835-3151, Fax (715) 835-6625
M140 Tow Tractor Manual No. 46054
PAGE 4-2
CHAPTER 2 MAINTENANCE
4 REPAIRS
AUGUST 31, 2008
4. Pack grease passage in spider with automotive type grease before installation.
5. Install new seals on spider journals.
6. Install spider in yoke and start one journal into bearing cap assembled to yoke.
Be careful to not dislodge needle bearings.
7. Start remaining bearing cap into remaining yoke bore and start journal into that
bearing. Do not dislodge needle bearings in either bearing.
8. Using either a press or bench vise, carefully push bearing caps into bores and
onto bearing journals. If substantial resistance is encountered, a needle bearing
may have been dislodged and is impeding progress. Carefully remove bearing
caps and make sure bearings are in place. If a bearing is damaged, replace it
with a new one.
9. Continue pressing on one side until retaining ring groove is exposed. Install
retaining ring. Turn yoke over and press the other bearing into its bore. Install
the retaining ring.
10. Install remaining seals and bearings on spider journals. Tape these bearings to
11. Loosely assemble dust cap. Lubricate splines on drive shaft and insert shaft
into slip yoke, insuring that front and rear yokes are aligned.
12.
Assembly–Flange Yoke End
1. Apply automotive grease to needle bearings to retain them in cap.
2. Pack grease passage in spider with automotive-type grease before installation.
3. Slide two bearing assemblies onto spider journals 180 deg. apart. Use match
marks to get correct bearing on correct journal.
assemblies with retaining ring clips.
assembly on drive shaft. Install retaining rings.
4.2 WHEELS AND TIRES
To minimize the risk of serious injury or death from exploding tire or
wheel, follow these safety precautions:
• All tire service must be performed by a technician properly trained in tire
service.
• Use proper tire removal tools to prevent possible damage to the tire bead.
• Do not attempt to use extremely high air pressure to seat a tire bead. If a tire
cannot be seated using normal pressure, contact the manufacturer for advice.
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