Sterling Trucks 360 2006, Manual

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11-51 11-51
4 4 Mo Mo un un ti ti ng ng th th e e wh wh ee ee l l
1. 1. Clean Clean the fol the fol lowin lowin g areas g areas befor befor e moun e moun ting t ting t he he
wheel. Dirt or debris in these areas could cause wheel. Dirt or debris in these areas could cause
the wheel nuts to become loose during opera- the wheel nuts to become loose during opera-
tion. tion.
Threads of the wheel studs and nuts Threads of the wheel studs and nuts
The spherical surface of the wheel nuts The spherical surface of the wheel nuts
Inner wheel and hub Inner wheel and hub mounting surfaces mounting surfaces
Dual wheel mating surfaces Dual wheel mating surfaces
Wheel nut seating surfaces Wheel nut seating surfaces
Dual wheel inside rim surfaces Dual wheel inside rim surfaces
Hub pilots Hub pilots
2. 2. Moun Moun t the w t the w heel o heel o n the h n the h ub. I ub. I nsta nsta ll the ll the wheel wheel
nuts tight enough to hold the wheel in position. If nuts tight enough to hold the wheel in position. If
the the wheel wheel nut nut has has a a spherical spherical end end , , direct direct the the
spherical end toward the wheel. spherical end toward the wheel.
NOTE: NOTE:
The The studs studs and and nuts nuts have have stamped stamped marks marks for for easy easy
identification; an “R” mark for right-hand threads identification; an “R” mark for right-hand threads
and an “L” mark for and an “L” mark for left-hand threads. left-hand threads.
3. 3. Lowe Lowe r the v r the v ehicle ehicle slow slow ly un ly un til the til the tire m tire m akes akes
contact with the ground. contact with the ground.
4. 4. Tig Tig hten th hten th e whee e whee l nuts i l nuts i n three n three stag stag es, en es, en ding ding
with the final torque shown in the table. Use the with the final torque shown in the table. Use the
tightening sequence shown in the illustration. tightening sequence shown in the illustration.
WARNING WARNING
Dirt or debris in the wheel mounting area Dirt or debris in the wheel mounting area
could cause the wheel nuts to loosen, could cause the wheel nuts to loosen,
resulting in an injury accident. resulting in an injury accident.
If wheel stud or nut threads are damaged, If wheel stud or nut threads are damaged,
or the disc wheel is cracked or otherwise or the disc wheel is cracked or otherwise
damaged, replace the wheel. A damaged damaged, replace the wheel. A damaged
wheel could work loose and cause an wheel could work loose and cause an
injury accident. injury accident.
Wheel nut Wheel nut
torque torque
325 to 398 lbf·ft (440 to 540 N·m) 325 to 398 lbf·ft (440 to 540 N·m)
Z09309 Z09309
Z09310 Z09310
Z09311 Z09311
1 1
1 1
3 3
4 4
5 5
2 2
6 6
2 2
3 3
4 4
5 5
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