JLG 80SL Operator Manual - Manual (Page 87)

SECTION 6 - GENERAL SPECIFICATIONS AND OPERATOR MAINTENANCE
3121324 – JLG Lift – 6-15
Wheel Installation
It is extremely important to apply and maintain proper wheel
mounting torque.
WHEEL NUTS MUST BE INSTALLED AND MAINTAINED AT THE PROPER
TORQUE TO PREVENT LOOSE WHEELS, BROKEN STUDS, AND POSSI-
BLE DANGEROUS SEPARATION OF WHEEL FROM THE AXLE. BE SURE
TO USE ONLY THE NUTS MATCHED TO THE CONE ANGLE OF THE
WHEEL.
Tighten the lug nuts to the proper torque to prevent wheels
from coming loose. Use a torque wrench to tighten the fas-
teners. If you do not have a torque wrench, tighten the fas-
teners with a lug wrench, then immediately have a service
garage or dealer tighten the lug nuts to the proper torque.
Over-tightening will result in breaking the studs or perma-
nently deforming the mounting stud holes in the wheels. The
proper procedure for attaching wheels is as follows:
1. Start all nuts by hand to prevent cross threading. DO
NOT use a lubricant on threads or nuts.
2. Tighten nuts in the following sequence:
3. The tightening of the nuts should be done in stages. Fol-
lowing the recommended sequence, tighten the nuts
per wheel torque chart.
4. Wheel nuts should be torqued after the first 50 hours of
operation and after each wheel removal. Check torque
every 3 months or 150 hours of operation.
TORQUE SEQUENCE
1st Stage 2nd Stage 3rd Stage
150-190 ft lbs
(210 - 270 Nm)
230 - 270 ft lbs
(320-380 Nm)
305 - 343 ft lbs
( 440 - 480 Nm)
1
2
3 4
5
6
6 Lug Pattern