PRATT Industries TRUSS - Page 23

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BROKEN STUDS
CAUSE
Loose cap nuts overloading
WHAT TO DO
Replace stud. Follow Proper torque procedure. See page 16
or 17
STRIPPED THREADS
CAUSE
Loose wheel assembly
WHAT TO DO
Replace stud. Follow proper torque procedure. See Page 16
or 17
WORN STUD GROOVE
CAUSE
Excessive torque
WHAT TO DO
Replace stud. Follow Proper torque
Procedure. See page 16 or 17
WORN MOUNTING
FACE ON HUB
CAUSE
Stud turning in groove. Insufficient torque on back nut.
WHAT TO DO
Replace stud. Follow proper torque procedure. See Page 16
or 17
Problem Cause Solution
I. SPOKE WHEELS
Uneven Tire Wear
1. Excessive Rim Run out
2. Loose Bearing Adjustment
3. Loose or Worn Suspension
Bushings
4.Low Tire Pressure
1. Align Rims per step 8 page 16
And recheck rim clamp torque
2. Check bearings for wear and
Readjustment
3. Check with Suspension
Manufacturer
4. Inflate to recommended
Pressure
Broken Back
Flange
1. Improper Rim Clamp
Torque
2. Overload
1. Review Rim mounting instruc
Tions and torque rim clamp nuts
2. Correct operating conditions.
Rim Slipping 1. Improper Rim Clamp 1. Review rim mounting instruc-
Tions and torque rim clamp nut.