Table 3-1. Unit Level Preventive Maintenance Checks and Services M915-M920
Item To Be
b. Lubricate using GAA transmission to
transfer case propeller shaft and univer-
a. Damage is evi-
b. Cracks, breaks,
or loose mounting
c. Inspect all propeller shafts for bends
d. Inspect U-joints for wear, play, broken
or missing lubrication fittings and secure.
There should be no free play at U-joint.
Pressure gun should be held on fittings
until new grease appears. This will as-
sure that all the old contaminated grease
has been forced out. Take weight off sus-
pension walking beam during lubrication
to ensure uniform application of grease
into the trunnion bushing.
Lubricate tie rod ends with GAA.
Check tie rod drag links for proper
torque. Tighten nuts-to 120 lb-ft (163
c. Bends or cracks
tings or screws are
broken or missing.
Wear and play evi-
a. Fitting will not
purge old lubricant
out of component,
loose or side play.
b. Improper torque
Change 4 3-10.15