Inspection, Service & Maintenance WHEEL BEARINGS A loose, worn or damaged wheel bearing is the most common cause of brakes that grab. To check your bearings, jack up trailer and check wheels for side-to-side looseness. If the wheels are loose, or spin with a wobble, the bearings must be serviced or replaced. Contact the axle manufacturer regarding any warranty considerations. ! WARNING Never crawl under your trailer unless it is on firm and level ground and resting on properly placed and secured jack stands. LUBRICATION ! DANGER Risk of death by crushing. Empty dump body before using body prop. ! WARNING Risk of death by crushing. Dump body or tilt deck can drop unexpectedly. Never go under a raised dump body. Use body prop for maintenance. ! WARNING Risk of death by crushing. Make sure dump body is empty. DO NOT manipulate the body safety prop if a person is near the control. The body prop supplied as part of the trailer is to be used only when the dump body is empty. The purpose of the body prop is a back-up to the hydraulic system and will hold the empty dump body in a raised position while performing maintenance on the hoist, trailer body, or the trailer itself. 160
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