
OPERATION and MAINTENANCE
Rev 1.2 60 of 80
(909)287-2100
TRAILER RECOMMENDED MAINTENANCE
BRAKE ADJUSTMENT PROCEDURE
1.
Make sure your trailer is on level surface and is free of any potentially dangerous items.
2.
Jack up the trailer and secure with jack stands. Supporting the trailer until the tire and
wheel are clear of the ground surface.
3.
Find the adjusting hole cover and remove it from the backing plate.
4.
Use a brake adjusting tool to adjust the star wheel (of the adjuster) and expand the brakes
until the brake shoes are sufficiently expanded so that the tire and wheel will not easily
rotate.
5.
Now move the star wheel in the opposite direction until you can feel a little resistance
from the brake and replace the hole cover.
6.
Repeat this procedure for all wheels making sure to adjust all brake at the same time.
BEARING MAINTENANCE, ADJUSTMENTS, AND REPLACEMENT
1.
Inspect for corrosion and wear.
2.
If any rust or wear exists on the bearing, then remove and replace.
3.
If bearing is found to be in good condition, then clean and repacking with grease is all you
need.
4.
Hand pack each bearing individually using premium lithium base wheel bearing grease.
5.
Reinstall the hub, reversing the procedure above the bearing adjustment procedure below.
BEARING ADJUSTMENT
1.
(FEEL AND DRAG METHOD) Tighten slotted nut until hub drags slightly when rotated.
(Rotating the hub while tightening the nut seat and bearing.) Loosen the slotted nut 1/6
turn (1 hex) to align nut slot with cotter pin hole. Wheel should turn freely. Insert cotter
pin through nut and spindle. Bend one leg of the cotter pin over the end of the spindle and
the other leg of the nut. Tap legs slightly to set the cotter pin must be tight.
2.
(TORGUE WRENCH METHOD) Make sure nut is loose. Tighten nut with torque wrench
to an initial torque of 50 ft. lbs. Loosen nut from initial torque and finger tighten. Insert
new cotter through nut and spindle.
Summary of Contents for B50HPG
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Page 82: ...HYDRAULIC ELECTRICAL SCHEMATICS ...
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