August 2016
3 - 8
AL4 • AL4000
Part No. 218567
Section 3 • Scheduled Maintenance Procedures
A-6
Test the Brakes (if equipped)
Axle specifi cations require that this procedure be
performed before towing.
Maintaining the axle brakes in good condition is
essential to safe operation and good performance.
Brakes which are out of adjustment can result in
longer stopping distances and excessive brake
wear on the towing vehicle. Component damage
may also result if problems are not discovered and
repaired in a timely fashion.
1 Test the brakes for proper function. Repair or
replace any faulty components as needed.
A-7
Torque the Wheel Lug Nuts
Axle specifi cations require that this procedure be
performed initially at 10, 25 and 50 miles of use, or
after reinstallation of a tire.
Maintaining the wheel lug nuts at the proper torque
is essential to safe operation and good service life
of the tires, wheel and axle.
1 Check each lug nut for proper torque.
Specifi cation
Lug nut torque, dry
90 ft-lbs
122
Nm
Lug nut torque, lubricated
67.5 ft-lbs
91.5
Nm
CHECKLIST A PROCEDURES
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