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Save These Instructions
For your safety read, understand, and follow the information provided with and on this jack. The owner and operator of this
equipment shall have an understanding of this jack and safe operating procedures before attempting to use. The owner and
operator shall be aware that use and repair of this product may require special skills and knowledge. Instructions and safety
information shall be conveyed in the operator's native language before use of this jack is authorized. If any doubt exists as
to the safe and proper use of this jack, remove from service immediately.
Inspect before each use. Do not use if there are broken, bent, cracked, or damaged parts (including labels). Any jack
that appears damaged in any way, operates abnormally, or is missing parts, shall be removed from service immediately. If
the jack has been or is suspected to have been subjected to a shock load (a load dropped suddenly, unexpectedly upon it),
immediately discontinue use until the jack has been checked by a Hein-Werner authorized service center. It is recom-
mended that an annual inspection be done by qualified personnel. Labels and Operator's Manual are available from
manufacturer.
PRODUCT DESCRIPTION
Hein-Werner Hydraulic Service Jacks are designed to lift, not sustain, rated capacity loads. They are designed to be
used in conjunction with jack stands. Intended use: To lift one wheel or one axle of a vehicle for the purpose of service
and/or repair of vehicle components. After lifting, loads must be immediately supported by appropriately rated jack
stands. Check with vehicle owner's manual for proper lift points.
DO NOT USE TO DOLLY OR MOVE VEHICLE.
DO NOT USE FOR ANY PURPOSE OTHER THAN THOSE USES OUTLINED ABOVE !
SPECIFICATIONS
Model
Capacity
4 Ton
HW93657
HW93667
4 Ton
Air / Manual
HW93660
10 Ton
HW93662
10 Ton
Air / Manual
SAFETY INSTRUCTIONS
BEFORE USE
1. Verify that the product and application are compatible, if in doubt call Hein-Werner technical service.
2. Read the operator's manual completely and familiarize yourself thoroughly with the product, its components and recognize
the potential hazards associated with its use before the use of this product.
3. Follow assembly instructions
4. Lower saddle fully.
5. Locate and remove the air vent screw.
6. Ensure the oil level is within ~ 3/16" from the inner cylinder as viewed from the air vent screw hole.
7. Reinstall the air vent screw.
8. Close release valve by turning the release knob clockwise until firm resistance is felt.
9. Ensure that the jack rolls freely.
10.Raise and lower the unloaded saddle through out the lift range before putting into service to ensure the pump and release
valve operate smoothly.
11. Replace worn or damaged parts and assemblies with Hein-Werner Replacement Parts only. (See Replacement Parts
Section). Lubricate as instructed in Maintenance Section.
Jack Size ( L x H )
48-1/4" x 7-1/2"
48-1/4" x 7-1/2"
53-3/8" x 9-3/4"
53-3/8" x 9-3/4"
Max. Height
Min. Height
5-1/4"
5-1/4"
5-7/8"
5-7/8"
26"
26"
26"
26"
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