Trailer maintenance, Lug nut torque requirements – Multiquip DCA20SPXU2D User Manual
Page 40
PAGE 40 — DCA20SPXU2D 60 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #1 (03/25/11)
TRAILER MAINTENANCE
Lug Nut Torque Requirements
It is extremely important to apply and maintain proper wheel
mounting torque on the trailer. Be sure to use only the
fasteners matched to the cone angle of the wheel. Proper
procedure for attachment of the wheels is as follows:
1. Start all wheel lug nuts by hand.
2. Torque all lug nuts in sequence (Figure 40). DO NOT torque
the wheel lug nuts all the way down. Tighten each lug nut
in 3 separate passes as defi ned by Table 15.
3. After fi rst road use, retorque all lug nuts in sequence.
Check all wheel lug nuts periodically.
Table 15. Tire Torque Requirements
Wheel Size
First Pass
FT-LBS
Second Pass
FT-LBS
Third Pass
FT-LBS
12"
20-25
35-40
50-65
13"
20-25
35-40
50-65
14"
20-25
50-60
90-120
15"
20-25
50-60
90-120
16"
20-25
50-60
90-120
Figure 40. Wheel Lug Nuts
Tightening Sequence
NOTICE
NEVER use an pneumatic air gun to tighten wheel
lug nuts.