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safety_trailer 10/96
INCORRECT SIZE OR RATING OF HITCH can
cause trailer to break loose from towing vehicle.
1. Be sure towing vehicle hitch is correct type, size, and rating to
match coupler.
2. Be sure the hitch is properly installed onto towing vehicle.
3. On optional ball couplers, always insert hitch safety pin before
towing.
4. Make sure hitch and ball are properly sized and match each
other.
Clevis
Lunette
Eye
Ball
Trailer
Tongue
Couplers
OR
Safety Pin
WHEELS MUST BE CHOCKED when trailer is
uncoupled from vehicle.
1. Chock in direction of grade.
2. Position chock snugly behind tire.
3. Place chock square to the tire.
4. Tap chock into place.
5. For added protection, chock both sides of tire.
UNEXPECTED TILTING OF TRAILER can cause
injury and damage.
1. When trailer is uncoupled from towing vehicle, use jack on front
and block rear to prevent tilting.
2. Use proper blocks that are large enough and able to support the
necessary weight.
3. Always chock the wheels when uncoupled.
INCORRECTLY WORKING LIGHTS can cause
accidents.
1. State and Federal regulations require trailers used on highways
to have tail, stop, turn, and side marker lights.
2. Lights are not required for trailers designed for off-road use only.
3. Check all lights and connectors for proper installation and
operation before using the trailer.
4. Check condition of wiring harness leads, plugs, and connections
regularly. Repair or replace damaged parts or wires.
5. Replace any broken lenses, reflectors, or bulbs.
Tail, Stop, And
Turn Lights
Side Marker Lights
INCORRECT TORQUE on lug nuts or INCORRECT
TIRE PRESSURE or BEARING MAINTENANCE can
cause loss of control resulting in serious injury
and equipment damage.
1. Recheck lug nut torque after first 50 miles (80 km) and once each
year or every 12,000 miles (19,500 km) thereafter, whichever
comes first.
2. When checking lug nuts, keep them clean, dry, and unlubricated.
3. Check and repack wheel bearings once each year or every
12,000 miles (19,500 km), whichever comes first.
4. Maintain correct tire pressure according to sidewall data on tire –
underinflation is the most common cause of tire trouble.
5. Check tires for wear every six months.
6. Use only replacement tires of the same size, rating, and capacity.
1
4
2
3
1
4
2
5
3
Wheel
Lug
Nuts
Bearings
Inside Hub
4-Hole Wheels –
Torque Lug Nuts
To 60 ft-lbs (81 N·m)
5-Hole Wheels –
Torque Lug Nuts
To 70 ft-lbs (95 N·m)
Torquing Sequence
INOPERATIVE SURGE-TYPE BRAKES OR
WRONG BREAKAWAY CABLE CONNECTION can
cause accidents.
1. Check brake fluid level before use.
2. Do not use sway control devices – keep coupler free to telescope
during braking.
3. Always connect breakaway cable to towing vehicle – be sure it
has a direct free pull.
4. Do not wrap cable around safety chains, tongue, wiring, or any
other parts.
5. The breakaway cable automatically applies the trailer brakes if
separation occurs.
Self-Actuating Hydraulic
Brake System
Breakaway
Cable
Brake Fluid
Reservoir
Surge-Type
Coupler
Bracket