24
WHEEL BEARINGS
All wheel bearings are pre-lubricated during assembly of axle beam
and brakes.
Your coach may have ‘ULTRA LUBE’ method of having a grease
fitting in the end of each axle spindle. Remove rubber cap and use
standard grease gun to place grease into bearings, 6 to 8 shots, if
you failed to repack bearings before leaving on trip. DO NOT forget to
repack wheel bearings as per maintenance manual when you return
home. Grease in your gun probably is NOT correct wheel bearing
lubrication.
Wheel Lugs
When the wheels are installed on your recreational vehicle, the lug
nuts must be tightened at 90-120 foot pounds of torque. Powder coat
painted wheels may require more torque attempts due to thickness of
paint. You must re-torque the wheel lugs at 50 and 200 miles. A
decal on the wheel may require torque earlier.
After your first trip, check the wheel lugs periodically for safety. The
wheel lugs should then be checked after winter storage, before
starting a trip or following extensive braking. The size of lug nuts are
13/16 inch and 3/4 inch for chrome nut.
Over torque on wheels is as dangerous as under torque and can
damage the wheel.
Brakes – Electrical
Electric brakes on your recreational vehicle are designed to work in
conjunction with the hydraulic brakes on your tow vehicle. This
means to have the best brake performance on both systems, the
trailer and the tow vehicle must perform and operate together. Any
attempt to use either brake system alone, tow vehicle or trailer, will
cause accelerated wear and damage.
A brake control must be installed in your tow vehicle to activate
electric brakes with 12-volt DC power either manually or by foot
brake pedal. Electronic type is used most widely. Each brand has
their own operating instructions.
Your battery in the tow vehicle is your primary power source to
operate the brakes in your towable trailer. Keep your battery and
charging system in working operation to ensure available energy
when required.
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