7
USER MANUAL
TUNJKTRLROC2.5AL
8. MAINTENANCE
Important:
Use high grade hydraulic oil only. Never use brake fluid, motor oil, transmission fluid, turbine oil or any other fluids.
ISO-VG22 or equivalent hydraulic oil is recommended.
Check and Refill Oil
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With the jack fully lowered and in a level location, if unit cover is provided, remove unit cover, then remove oil filler plug.
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The oil should just cover the inner cylinder as seen from the oil filler plug hole.
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Do not overfill. Always fill with new, clean hydraulic jack oil as recommended above.
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Replace oil filler plug, then replace unit cover.
Lubrication and Cleaning
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Periodically clean and lubricate all moving parts and pivot points.
Air Venting Procedures
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With the jack fully lowered and the release valve open, remove the oil filler plug.
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Pump the handle rapidly several times. Replace the oil filler plug.
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Turn the handle/release valve clockwise to the closed position.
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Pump the handle until the lift arm reaches maximum height. Continue to pump several times to remove trapped air in the system.
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Turn the handle/release valve counterclockwise one full turn and lower the lift arm to the lowest position.
Use force on saddle if necessary.
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Carefully and slowly loosen oil filler plug to release pressurized air.
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Repeat above steps until trapped air is completely vented.
Damaged Equipment
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Any jack that appears to be damaged in any way, is found to be worn, or operates abnormally SHOULD BE REMOVED FROM
SERVICE UNTIL REPAIRED. It is recommended that necessary repairs be made by a manufacturer’s or supplier’s authorized
repair facility if repairs are permitted by the manufacturer or supplier.
Alterations
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Because of potential hazards associated with this type of equipment, no alterations shall be made to the product.
Attachments and Adapters
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Only attachments and/or adapters supplied by the manufacturer shall be used.
