MANUAL-75-v2.0 61 of 82
5.2 Routine maintenance checks
Regular maintenance of your unit is mandatory for safe and reliable operation. The
following recommendations must be followed:
Task Check
Re-torque each wheel's lug nuts in a star pattern every 10 miles, 25 miles, and
50 miles from the factory or any time after a wheel is removed or replaced.
Recommended torque is 110lb-ft, do not exceed 120lb-ft.
Re-torque each wheel’s lug nuts for long-term use in a star pattern every
12,000 miles or 12 months, whichever occurs first.
Check the trailer brake lights after the first 200 miles of operation after the
brake shoes and drums have seated.
Check trailer brake lights every 3,000 miles.
Conduct a brake inspection once a year from the purchase date.
WARNING
Risk of serious injury or death!
The correct and safe torquing of the wheel lug nuts is important and must be
regularly monitored.
5.2.1 Torquing wheel lug nuts
Caution
Risk of injury or damage!
It is important that you check the torques of the wheel lug nuts.
To correctly torque the wheel lug nuts on the trailer, follow these steps:
1. Make sure the wheel is seated correctly on the axle.
2. Using a calibrated torque wrench set to 23lb-ft (31Nm), tighten each wheel lug
nut following a star pattern.
5 Service and maintenance MP75-600 - User Manual