3-1. Unit L
Item To Be
evel Preventive Maintenance Checks And Service
Do not mix radial and bias tires on the
same vehicle. Make sure tires are cold
when you check pressure.
a. Inspect tires for unusual wear, pene-
trating objects, and improper matching.
b. Make sure all wheel Iugnuts are in-
stalled and tightened to correct torque
value 450 lb-ft (610 N.m).
Check toe-in and adjust as necessary.
Toe-in should be 1/8 inch (3.2 mm).
Inspect spring brake
and double air brake
and damaged fittings.
control valve, lines
chambers for leaks
a. Check transmission to bellhousing bolts
for gaps and torques.
b. If any bolt shows a gap or is loose, re-
move bolt and apply Ioctite; reinstall bolt
with flat washer and torque to 55 Ib-ft + or
-5 Ib-ft (74.6 N.m + or -6.8 Nm); then pro-
ceed to check all the remaining bolts as fol-
lows: Torque each bolt to 50 Ib-ft (67.8
N.m). If bolt turns or has a gap, remove
and apply Ioctite, reinstall
washer and torque 55 Ib-ft
(74.6 N.m + or -6.8 N.m).
bolt and flat
+ or - 5 Ib-ft
a. Tires improperly
b. Any Iugnut miss-
ing and/or improp-
Toe-in out of adjust-
Air leaks or dam-
3-10.6 Change 4