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To Lower:
* Raise the jack to remove vehicle support stands.
* Turn the delivery valve slowly counter-clockwise approximately 1/2 to 1
turn. If the piston is still extended, push the piston down to the air thereby
reducing exposure to rusting.
Maintenance Procedures
Important:
* The oil type is L-HV(46#) hydraulic oil for -20°C~55°C.
* Do not use any fluid other than good grade hydraulic oil.
* Improper fluid can cause serious internal damage to the jack
To add oil:
* Push ram down fully remove rubber plug from reservoir and fill oil to plug
hole.
To Change Oil:
* It is recommended that the oil be replaced at least once per year for
maximum-life. To drain the oil. Remove the filler plug. Lay the jack on its
side and allow the oil to run out into a drain pan.
* Do not allow any dirt or foreign matter to enter the hydraulic system.
Lubrication:
* Add correct lubrication oil to all pivoting sections every 3 months.
Preventing Rust:
* Check ram every 3 months for any sign of rust or corrosion.
* Clean and wipe with an oil cloth.
* When not in use, always leave the saddle and ram all the way down.
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