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ATD Tools ATD-7354 Owner's Manual page 5

50-ton air axle jack
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WARNING
• Study, understand, and follow all instructions
before operating this device.
• Do not exceed rated capacity.
• Use only on hard, level surface.
• Lifting device only. Immediately after lifting,
support the vehicle with appropriate means.
• Do not move or dolly the vehicle while on the
jack.
the vehicle manufacturer.
• No alterations shall be made to this product.
• Failure to heed these warnings may result in
personal injury and/or property damage.
!
The wheels provided with this jack are for positioning the jack under a load ONLY! The wheels are
not load wheels. Do not try to dolly or move the vehicle with the jack!
OPERATION
(see Fig 1)
Lifting
Note: The jack is equipped with handle position lock. To adjust the handle, release lock device by pulling the lever
up, lever is spring loaded and will lock into desired position. Ensure lever locking mechanism is fully engaged before
lifting.
1. Connect adequate air source to the air supply inlet.
2. Follow the vehicle manufacturer's recommended guidelines for lifting. Engage the emergency brake and chock
each unlifted wheel in both directions to prevent inadvertent vehicle movement.
3. Close the release valve by turning the handle knob clockwise until firm resistance is felt.
4. Center jack saddle under lift point, then squeeze the lift control valve until saddle contacts the lift point. To lift,
continue squeezing the lift control valve until load reaches desired height. Simply release your grip on the lift
control valve to end lift event.
5. Transfer the load immediately to appropriately rated jack stands.
WARNING: Only attachments and/or adapters supplied by the manufacturer should be used. Lift only
!
WARNING: NEVER use hydraulic jack as a stand alone device! ALWAYS transfer the lifted load
!
IMMEDIATELY to a pair of appropriately rated jack stands. Use one pair of jack stands per vehicle.
Rated capacity is per pair only! Do not exceed rated capacity.
Lowering
WARNING: Be sure all tools and personnel are clear before lowering load. Slowly open the release valve!
!
The more you turn the handle knob counterclockwise, the faster the load will come down. Maintain
control of the rate of speed at which the load lowers at all times!
1. Raise load high enough to clear the jack stands.
2. Remove jack stands carefully (always used in pairs).
3. Slowly turn handle knob counterclockwise, but no more than 1 full turn and slowly lower the load.
4. After removing jack from under the vehicle, fully retract the jack to reduce ram exposure to rust and contamination.
WARNING
To avoid crushing and related injuries:
• Never work on, under or around a load supported
only by hydraulic jack.
• Always use adequately rated jack stands.
• Chock each unlifted tire in both directions.
• Do not use this device to lift, level, lower, support or
move a house, mobile home, travel trailer, camper or
any building structure.
• Be alert and sober when using this product. Do not
5
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