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Jaw Cylinder Replacement - RUNI Densifier

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  1. Jaw Cylinder Replacement - RUNI Densifier, Prepare Work Area: step 1, image 1 of 2 Jaw Cylinder Replacement - RUNI Densifier, Prepare Work Area: step 1, image 2 of 2

    • If available, find a clean work surface to set up tools and supplies to prevent contamination.

    • Pictured is a cart with cardboard. This is the recommended setup.

    • Confirm all provided parts have been received. Any missing parts should be reported to RESM and Customer Support Team with a picture of all parts that have been received.

    • Establish a zone of safety around the work area.

    • NOTE: Nitrile rubber gloves are the more appropriate gloves for this replacement.

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    • Jaw should not be up all the way to prevent tension when replacing the cylinder in future steps

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    • Power off densifier at the control panel while jaw is in the up position.

    • Apply LOTO device to the service disconnect.

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    • Remove the guard using 13mm socket wrench

    • Place absorbent materials (e.g. Pigmats, towels) to catch fluids.

    • Use available material to stabilize plate above the existing block.

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    • TIP: Using zip ties to secure the hoses to the asset in an upright position will prevent drips or leaking.

    • Disconnect the top hose from the flow control valve.

    • Disconnect the bottom hose from the cylinder.

    • Unscrew bottom cylinder fitting, capturing any oil that may discharge in a small cup or disposable container. Plug hole with a paper towel.

    • Remove of cotter pins from each of the two (2) cylinder retaining pins, then dislodge retaining pins.

    • Cylinder may be removed carefully as to prevent oil from spilling.

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    • Remove the fittings from the old cylinder. Save for later.

    • Lubricate the new cylinder by adding NLGI #2 grease to both grease fittings.

    • Assemble the filter and fittings onto the new cylinder.

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    • Insert new cylinder with supplied filter and reused flow control valve.

    • Return the retaining pins and secure with cotter pins.

    • Reattach bottom cylinder fitting.

    • Reconnect the bottom hose to the cylinder.

    • Reconnect the top hose to the flow control valve.

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    • Remove the stabilizing prop between plate and existing block.

    • Remove LOTO device from service disconnect. Re-energize the asset.

    • Power on the densifier at the control panel.

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    • Exercise the jaw using manual mode for six (6) full strokes, noting that Down then up is counted as one (1) stroke. Leave in down position when completed.

    • Return to Auto Start mode when completed.

    • Check for leaks at the cylinder and hoses.

    • Check hydraulic oil levels, replenishing with #46 oil as necessary.

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    • Feed densifier with Styrofoam to ensure equipment operates as normal.

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  12. Jaw Cylinder Replacement - RUNI Densifier, Check for Magnets: step 11, image 1 of 3 Jaw Cylinder Replacement - RUNI Densifier, Check for Magnets: step 11, image 2 of 3 Jaw Cylinder Replacement - RUNI Densifier, Check for Magnets: step 11, image 3 of 3

    • There should be a total of four (4) Magnets (Part Number DPFV-MAGNET). The magnets should either be in use or located in the electrical cabinet.

    • Take picture(s) of all four (4) magnets.

    • Any missing magnets not captured in pictures should be advised in the service notes.

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  13. Jaw Cylinder Replacement - RUNI Densifier, Clean Work Area: step 12, image 1 of 3 Jaw Cylinder Replacement - RUNI Densifier, Clean Work Area: step 12, image 2 of 3 Jaw Cylinder Replacement - RUNI Densifier, Clean Work Area: step 12, image 3 of 3

    • Reinstall guard onto densifier, ensuring no pinch points.

    • Wipe equipment surfaces and sweep excessive Styrofoam on floor.

    • Discard oil in Hazmat area.

    • Collect tools, supplies, and items used for Zone of Safety.

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    • Use included Return Label found behind the original label.

    • Drop of package at the nearest FedEx location.

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Conclusion

The RUNI Densifier now has a new cylinder and old cylinder should be returned via shipping.

Author

Tanisha Meredith

Member since: 11/08/22

381 Reputation

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