TRAILER MAINTENANCE
GENERAL:
A good periodic inspection and clean up can add years to the trailer's life.All of the maintenance and operation procedures mentioned
are very important as there are no warranties of any kind on brake systems for boat trailers.
BRAKE ADJUSTMENT:
(for trailers equipped with surge brakes.) To adjust the brakes, go through the following steps:
- Jack up and support the trailer with the wheels mounted, brake drums cool, and the actuator in the towing position.
- Compress the actuator mechanism several times to center the shoes in the brake drum, then return the actuator
to the fully extended towing position.
- On the inside or back side of the brake backing plate, you will find a rubber or spring steel plug. Under this plug
there is a brake shoo adjusting slot.
With a brake adjusting tool, similar to the kind used on cars, adjust the brake until a heavy drag can be felt when you turn the wheel and tire.
Then back off the adjustment until the wheel just turns freely.
Repeat the above steps on each brake drum.
Adjust the brake linings-after the first 1000 miles, and every 2000 miles thereafter.
It is best to adjust them at the beginning of each season. Replace brake linings when they become worn.
BLEEDING THE BRAKE SYSTEM:
Fill the system with SAE 70 R1 or 70 R3 heavy duty brake fluid.
Install a rubber hose on the wheel cylinder bleeder valve.
Have the loose end of the hose submerged in a glass container of brake fluid to observe bubbling.
By loosening the bleeder screw on the wheel cylinder one turn, the system is open to the atmosphere.
Pump the actuator with long steady strokes. The bleeding operation is complete when the bubbling stops.
Be sure to close the bleeder screw securely. Repeat the bleeding operation at each wheel cylinder.
During the bleeding process, replenish the brake fluid, so the fluid level does not fall below 1/2 full in the master cylinder reservoir.
After bleeding is completed, refill the master cylinder and securely install the filler cap.
Replace cloudy, dirty or watery brake fluid.
AXLE MAINTENANCE:
Buy a small grease gun for the hubs and use a high quality multi- purpose non-fibrous grease, similar to the grease used in automobile wheel bearings.
Put in enough grease to move the spring loaded piston about 1/8" outward from its seated position.
Check the lubricant level in the hub by pressing the edge of the spring loaded piston.
If you can move or rock the piston, the hub has sufficient grease.
If it cannot be moved, add grease with the grease gun. Do not overfill.
TRAILER LIGHT CARE:
The lights are equipped with quick disconnect electrical plugs.
All lights should be removed before backing the trailer into the water.
Put a dab of petroleum jelly (Vaseline) on each of the quick disconnects.
Be sure to disconnect the trailer harness from the trunk harness of the towing vehicle before backing the trailer into the water.
TRAILER PAINT MAINTENANCE:
To keep rust to a minimum, rinse the trailer with fresh water after every exposure to salt water.
GENERAL MAINTENANCE:
Frequently check the trailer to assure that all bolts and nuts are tight, that all welds look solid, and that there are
no cracks or bends in the trailer structure. Inspect tires for cuts, bad bruises and worn tread. Replace tires as necessary.
LIMITED WARRANTY
MacGregor Yacht Corp. makes the following warranty to purchasers:
SAILBOATS AND SAILBOAT PARTS AND EQUIPMENT:
For a period of two years from the date of sale to the first use purchaser, MacGregor Yacht Corp. will, through its
selling dealers, repair or replace any sailboat part or sailboat equipment manufactured by MacGregor which is
proven to MacGregor's satisfaction to be defective by reason of faulty workmanship or material.
TRAILERS AND TRAILER PARTS AND EQUIPMENT:
For a period of six months from the date of sale to the first use purchaser, MacGregor Yacht Corp. will, through its
selling dealers, repair or replace any trailer part or trailer equipment manufactured by MacGregor which is proven to
MacGregor's satisfaction to be defective by reason of faulty workmanship or material.
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