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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 (see Figure 58). Do
noT torque the wheel lug nuts all the way down.
Tighten each lug nut in 3 separate passes as defined
by Table 18.
3. After first road use, retorque all lug nuts in sequence.
Check all wheel lug nuts periodically.
Table 18. Tire Torque requirements
First pass
Wheel size
FT-lBs
12"
20-25
13"
20-25
14"
20-25
15"
20-25
16"
20-25
DCa25Usi 60 hz generaTor • operaTion anD parTs manUal — rev. #3 (07/19/11) — page 41
second pass
Third pass
FT-lBs
FT-lBs
35-40
50-65
35-40
50-65
50-60
90-120
50-60
90-120
50-60
90-120
trailer Maintenance
Figure 58. Wheel Lug Nuts
Tightening Sequence
NOTICE
never use an pneumatic air gun to tighten wheel
lug nuts.
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