SPLT-xx-IVT-12VDC-1000VA-120VAC
Larson Electronics, LLC
Phone: (800) 369-6671
Fax: (903) 498-3364
www.larsonelectronics.com
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TRAILER SCHEDULED MAINTENANCE AND INSPECTIONS
Before Towing Trailer:
Each time you plan to tow your trailer, inspect and service the following items:
•
Breakaway Brakes (electric and hydraulic) – Check operation.
•
Breakaway Battery – Ensure connections are clean and the battery is fully charged.
•
Electric Brakes – Check operation.
•
Lighting - Check the brake lights (stop lights, brake lights, turn signals), make sure all
brake lights
work properly on the trailer before transport.
•
Surge Brakes – Check operation and master cylinder level.
•
Shoes and Drums – Adjust.
•
Safety Chains and Hooks – Check for wear and damage.
•
Coupler and Hitch Ball – Check for cracks, pits, and flats. Replace with ball and coupler
hitch having
trailer GVW rating if needed. Grease, and then check locking device and
replace when worn.
•
Ring and Pintle – Follow the same steps as you would for the Coupler and Hitch Ball.
Replace with a
ring and pintle having trailer GVW rating if needed.
•
Tires – Check tire pressure when cold and inflate as needed. Also, check for damage.
•
Wheels (lug nuts or bolts and hub) – Check for tightness and tighten. For new or
remounted wheels,
check torque after first 10, 25, and 50 miles of driving and after any
impact.
Every Six Months
At six-month intervals, inspect and service the following areas on your trailer:
•
Electric Brakes (magnet) – Check wear and current draw.
•
Electric Brakes (controller in tow vehicle) – Check power output (amperage) and
modulation.
•
Tires – Thoroughly inspect tread and sidewalls. Replace tires when treads are worn
and/or the
sidewall is worn or has a bulge. Rotate tires every 5,000 miles.
•
Electric Brakes – Check operation
•
Surge Brakes – Check operation and master cylinder level.
•
Brake Shoes and Drums – Adjust.
•
Safety Chains and Hooks – Check for wear or damage.
•
Coupler and Hitch Ball – Check for cracks, pits, and flats. Replace with ball and coupler
hitch having
trailer GVW rating if needed. Grease, and then check locking device and
replace when worn.
•
Ring and Pintle – Follow the same steps as you would for the Coupler and Hitch Ball.
•
Wheel Bearings – Check for loose, worn, or damaged wheel bearings. Lubricate the
bearings as
needed.
