Husky HPL4790 Maintenance

3 ton super low super high garage jack

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3 TON SUPER LOW SUPER HIGH

GARAGE JACK

Maintenance

REPLACING HYDRAULIC JACK OIL TO THE JACK

Opening the release valve

Open the release valve by turning the handle

counterclockwise.

Draining the old oil

Turn the entire jack over so that all of the old

oil will drain out of the oil fill hole.

OIL PAN

NOTE: When draining oil, use a proper container and

always follow all local and state waste disposal guidelines.

Removing the plug

Remove the oil fill plug.

Leveling the jack

After all of the old oil has drained out of the

jack, turn the jack back over to a level position.

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Page 1 3 TON SUPER LOW SUPER HIGH GARAGE JACK Maintenance REPLACING HYDRAULIC JACK OIL TO THE JACK Opening the release valve Removing the plug Remove the oil fill plug. Open the release valve by turning the handle counterclockwise. Draining the old oil Leveling the jack Turn the entire jack over so that all of the old After all of the old oil has drained out of the...
Page 2 Releasing pressurized air Filling with new oil Using a good grade of SAE 5W hydraulic jack oil, fill the reservoir to Rapidly pump the jack handle 6 to 8 strokes the bottom of the threads in the oil fill hole. Replace and tighten the to release any pressurized air.
Page 3 Care and Cleaning Maintain the product according to these instructions. You may not alter this product in any way. 1. Before using, inspect the jack thoroughly. Look for cracks in the welds, bent, damaged, loose, worn or missing parts. 2. Inspect according to this manual ONLY. 3.