Marathon Electric Motor RJ-400 ULTRA

Never enter any part of the compactor until the unit has been locked-out and tagged-out.

Lubricate electric motor bearings

Change the hydraulic fluid in the entire system

If existing oil is reused, test it by a laboratory to ensure it meets necessary specifications

Add additives to bring oil back to standards if necessary

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

Clean the hydraulic tank inside with a nonflammable solvent

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

Disconnect the union on the suction side of the pump

Remove the four bolts retaining the suction flange

Lift the filter from the reservoir

Clean the filter element with a soft brush and standard industrial solvent

Never enter any part of the compactor until the unit has been locked-out and tagged-out.

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.

WARNING: Lock-Out & Tag-Out compactor prior to any service or maintenance.

Retract the ram completely. Lock-out and tag-out compactor.

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 again.

Remove the top cover or side access cover to gain access to the actuator.

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

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

Check functional operation of controls and options

Verify timers are functioning correctly

Inspect hydraulic components for issues

Check hydraulic cylinder for leakage

Inspect internal hoses and connections for leakage

Examine hoses for chafing and wear