Maintenance
5
General Information
Preventative Maintenance Check List
The following maintenance checks can be made without removing the transmission from the chassis. Items 1 through 5 can be
performed without any prior mechanical work; items 6 through 8 require the dropping of the output driveline and the input drive-
line where possible.
1. Oil Leaks
• Make visual checks for oil leakage from mainshaft openings, gaskets at bearing covers, top cover, and from front rear
shifting bar bores. Check drain plugs for losseness.
2. Gear Lubricant
• Remove filler plug in right side and check oil level at regular service intervals.
• Change oil at specified intervals, using grade and type recommended.
Note: See Lubrication section for inspection, oil type, grade, and oil capacity.
3. Gear Shift Lever and Linkage
• Check the auxiliary gear shift lever for wear at mounting.
• Check shifting linkage for wear and looseness.
• Check to make sure exact neutral position of auxiliary gear shift lever corresponds to neutral position of auxiliary shifting
bar.
4. Capscrews and Nuts
• Check capscrews in top cover and bearing covers for looseness which might be the cause of oil leakage.
• Check nuts on rear support bracket or plate for looseness.
5. Mountings
• Check mounting bolts and nuts for looseness.
6. Universal Joint Companion Flange Retaining Nuts
• With output driveline dropped, and front driveline dropped, where possible, check nuts for looseness. Tighten to recom-
mended torque.
7. Splines on Shafts
• Check input and output shafts for wear from movement and chucking action of universal joint companion flange.
8. Mainshaft Rear Bearing
• Pry upward against output shaft to check radial clearance of mainshaft rear bearing.
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