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PAGE 40 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
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 38. DO NOT
torque the wheel lug nuts all the way down. Tighten each lug
nut in 3 separate passes as defined by Table 7.
ST-45 PUMP — TRAILER SAFETY GUIDELINES
NEVER!
use an pneumatic air gun
to tighten wheel lug nuts.
Figure 38. Wheel Lug Nuts Tightening Sequence
3. After first road use, retorque all lug nuts in sequence. Check
all wheel lug nuts periodically.
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