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Page 4SKU 92840 For technical questions, please call 1-800-444-3353
Specific Jack Safety Instructions
Warning!! Stand clear of the Jack when raising or lowering a vehicle.
1. Jack Capacity. Never exceed the Jack’s capacity of 25 Tons (Stage 2) or 50 Tons
(Stage 1). Check the vehicle’s owner’s manual to determine the actual gross weight of
your vehicle before attempting to lift it. Never attempt to lift a load greater than 25 Tons
above the Stage 1 level.
2. Never ride on the Jack. Never ride on the Jack, and never have people or pets in the
vehicle you are raising.
3. Only use Jack to raise/lower vehicle. After raising the vehicle, use jack stands to keep
the vehicle suspended for any period of time. Do not work on, around, or under the
vehicle while it is supported by the Jack.
4. Place Jack on correct surface. Only use this Jack on a stable, smooth, level,
clean, and dry surface that is capable of sustaining the load (ie. thick cured concrete
or thick steel). This Jack has exposed hoses in its undercarriage.
5. Stabilize the load. Ensure that the load remains stable at all times.
6. Vehicle lifting. When lifting a vehicle, apply the emergency brake and block all of the
wheels that will remain on the ground.
7. Center load. Center the load on the Jack Ram (2). Off-center loads can damage seals,
causing Jack failure.
8. Lift only using correct vehicle lift points. Read the vehicle manual to find the proper
lifting points for the vehicle.
9. Never use the Jack unless it is filled with hydraulic fluid. Filling with hydraulic fluid
is covered in the maintenance section of this manual.
10. NEVER USE THIS JACK FOR AIRCRAFT PURPOSES.
11. Industrial applications must follow OSHA requirements.
12. Never move jack when under load. The wheels are intended for NO LOAD movement
only.
Unpacking
When unpacking, check to make sure that the product is intact and undamaged. If any parts
are missing or broken, please call Harbor Freight Tools at the number on the cover of this
manual as soon as possible.
Assembly
Before use, the Shipping Plug (99) must be removed and replaced with the Oil Plug (26).
The Oil Plug (26) is hanging from the Shipping Plug. Changing these plugs must be done
prior to running the unit. See FIGURE 4 under Maintenance, on page 7. Save the Shipping
Plug (99) for any further transport.