Marathon Electric Motor RJ-500HD

Ensure the unit is locked-out and tagged-out before starting the procedure

Check functional operation of controls and options

Verify timers are functioning correctly

Check hydraulic cylinder for leakage

Inspect internal hoses and connections for leakage

WARNING: Lock-out and tag-out the unit before maintenance

Lubricate electric motor bearings

Change the hydraulic fluid in the entire system

Add additives to oil if necessary

Filter oil through a minimum 6 micron filter before returning to tank

Clean the hydraulic tank inside with a nonflammable solvent

Thoroughly dry the hydraulic tank before replacing the oil

Install the cylinders by reversing the removal steps

Mark the ram front position on the compactor side

Power up the Compactor and run the ram forward 3/4” - 1” and stop

Lock-Out and Tag-Out the compactor

Remove the top cover or side access cover to access the upper actuator

Loosen the actuator screws and slide the actuator back against the rear limit switch arm until the limit switch clicks

WARNING: Lock-out and tag-out the unit before entering any part of the compactor.

Remove access cover(s) and clean debris from behind the compactor ram for compactors with legs.

Replace cover(s) when clean-out is complete.

Open the hinged access cover on each side at the bottom for compactors with skids (RJ-450 and above) and clean out.

Close hinged cover and fasten when clean-out is complete.

Check external hoses for chafing, rubbing, and other deterioration or damage.

Check for any unsafe conditions in the compactor area.

Check oil level in hydraulic reservoir