PITTSBURGH 3 Ton Low Profile Floor Jack

Model: 56617

Weight Capacity: 3 Tons (6,000 lb.) | Maximum Height: 19-7/8" | Minimum Height: 3-1/8"

Manufacturer: Harbor Freight Tools

Website: http://www.harborfreight.com

Technical Support: 1-888-866-5797 | productsupport@harborfreight.com

Safety Warnings and Definitions

[Danger Symbol] DANGER: Indicates a hazardous situation which, if not avoided, will result in death or serious injury.

[Warning Symbol] WARNING: Indicates a hazardous situation which, if not avoided, could result in death or serious injury.

[Caution Symbol] CAUTION: Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.

[Notice Symbol] NOTICE: Addresses practices not related to personal injury.

Important Safety Information - Floor Jack Safety Warnings

  1. Study, understand, and follow all instructions before operating this device.
  2. Do not exceed rated capacity.
  3. Use only on hard, level surfaces.
  4. Lifting device only. Immediately after lifting, support the vehicle with appropriate means.
  5. Do not move or dolly the vehicle while on the jack.
  6. Failure to heed these markings may result in personal injury and/or property damage.
  7. Lift only areas of the vehicle as specified by the vehicle manufacturer.
  8. No alterations shall be made to this product.
  9. Never work on, under or around a load supported only by this device.
  10. Do not adjust safety valve.
  11. Wear ANSI-approved safety goggles and heavy-duty work gloves during use.
  12. Keep clear of load while lifting and lowering.
  13. Lower load slowly.
  14. Apply parking brake and chock tires before lifting vehicle.
  15. Lift vehicle only at manufacturer recommended locations.
  16. Inspect before every use; do not use if parts are loose or damaged.
  17. Do not use for aircraft purposes.
  18. The warnings, precautions, and instructions discussed in this manual cannot cover all possible conditions and situations that may occur. The operator must understand that common sense and caution are factors, which cannot be built into this product, but must be supplied by the operator.
  19. The Handle socket may be held down by a clip under tension. Wear ANSI-approved safety goggles before freeing Handle socket. Remove clip carefully.

IMPORTANT! Before first use: Check hydraulic oil level and fill to 1/4" below the fill port as needed (refer to page 4). Thoroughly test the Jack for proper operation. If it does not work properly, bleed air from its hydraulic system (refer to page 4).

SAVE THESE INSTRUCTIONS.

Setup - Before Use

Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product.

For additional information regarding the parts listed, refer to the Parts List and Assembly Diagram on page 7.

Functions

Diagram Description (Figure A): The jack consists of a Saddle, Lift Arm, Front Wheel, Rear Caster, Handle, Handle Socket, Cover Plate (to access Fill Plug), Safety Valve Cover (DO NOT OPEN OR ADJUST), Fill Screw, U-Joint, and Hydraulic Unit.

Tool Set Up - Attaching the Handle

CAUTION! The Handle socket may be held down by a clip under tension. Wear ANSI-approved safety goggles before freeing Handle socket. Remove clip carefully.

  1. Align the hole on the Lower Handle with the Handle Lock Button and connect the Upper and Lower Handles together. Make sure the Button clicks into place.
  2. Loosen the Set Screw and insert the assembled Handle into the Handle Socket.
  3. Tighten the Set Screw.

Bleeding the Hydraulic System

  1. Turn handle counterclockwise to open Release Valve.
  2. Remove four screws holding on pump cover.
  3. Remove Oil Fill Plug and top off hydraulic oil.
  4. Apply pressure to saddle and quickly pump handle several times.
  5. Check Oil Fill Hole again and top off with hydraulic oil if necessary.
  6. Replace the Oil Fill Plug and turn handle clockwise to close Release Valve.
  7. Test several times for proper operation before attempting to lift a load.

Adding Oil

  1. Remove the Fill Screw.
  2. Add high grade hydraulic fluid into the Fill Screw slowly until the oil reaches the top of the oil fill hole.
  3. Replace the Fill Screw.

Note: Do not touch the Handle when adding the hydraulic oil.

General Operating Instructions

Lifting

WARNING: Park vehicle on a flat, level, solid, surface safely away from oncoming traffic. Turn off the vehicle's engine. Place the vehicle's transmission in "PARK" (if automatic) or in its lowest gear (if manual). Set the vehicle's emergency brake. Then, chock the wheels that are not being lifted.

  1. Turn the Handle counterclockwise to lower the Jack. Once the Jack is fully lowered, turn the Handle firmly clockwise to close it.
  2. Carefully position the Saddle of the Jack under the vehicle manufacturer's recommended lifting point. (Refer to vehicle manufacturer's owner's manual for location of frame lifting point.)
  3. Pump the Handle until the top of the Jack's Saddle has nearly reached the vehicle lifting point. Position the Saddle directly under the vehicle's lifting point.
  4. To lift the vehicle, pump the Handle of the Jack using smooth, full strokes.
  5. Once the vehicle is raised, slide a jack stand of appropriate capacity (not included) under a proper lifting point referred to in the vehicle owner's manual. Always use two jack stands, position them at the same point on each side of the vehicle.
  6. Center the vehicle's lifting point(s) on the saddle of the jack stand(s). Set the jack stand(s) to the same height according to the manufacturer's instructions, making sure that they lock securely into position.
  7. Slowly turn the Handle counterclockwise to lower the vehicle onto the saddle(s) of the jack stand(s). Then, turn the Handle firmly clockwise to close it.

WARNING! The rated capacity of jack stands is per pair, not the individual capacities combined unless specifically noted on the product by the jack stand manufacturer. Do not exceed rated jack stand capacity. Ensure that the vehicle support points are fully seated in the saddle of both jack stands. Use a matched pair of jack stands per vehicle to support one end only. Failure to do so may result in the load suddenly falling, which may cause personal serious injury and/or property damage.

Lowering

  1. Carefully remove all tools, parts, etc. from under the vehicle.
  2. Position the Saddle under the lifting point. Turn the Handle firmly clockwise and raise load high enough to clear the jack stands, then carefully remove jack stands.
  3. Slowly turn the Handle counterclockwise (never more than 1/2 full turn) to lower the vehicle onto the ground.
  4. Lower the Jack completely. Then, store in a safe, dry location out of reach of children.
  5. To prevent accidents, turn off the tool and disconnect its power supply after use. Clean, then store the tool indoors out of children's reach.

Maintenance and Servicing

Procedures not specifically explained in this manual must be performed only by a qualified technician.

WARNING TO PREVENT SERIOUS INJURY FROM TOOL FAILURE: Do not use damaged equipment. If abnormal noise or vibration occurs, have the problem corrected before further use.

Cleaning, Maintenance, and Lubrication

  1. Before each use, inspect the general condition of the Jack. Check for broken, cracked, or bent parts, loose or missing parts, and any condition that may affect the proper operation of the product. If a problem occurs, have the problem corrected before further use. Do not use damaged equipment.
  2. Before each use, thoroughly test the Jack for proper operation prior to its actual use. If the Jack appears not to be working properly, follow Bleeding instructions on page 4.
  3. Change the hydraulic oil at least once every three years:
    • A. With the Jack fully lowered, remove the Oil Filler Plug on the side of the Housing.
    • B. Tip the Jack to allow the old hydraulic oil to drain out of the Housing completely, and dispose of the old hydraulic oil in accordance with local regulations.
    • C. With the Jack upright, completely fill the Housing with a high quality hydraulic oil (not included) until the oil is 1/4" below the fill hole.
    • D. Open the valve by turning the Handle counterclockwise and pump the Handle to bleed air from the system.
    • E. Recheck oil level and re-fill as needed.
    • F. Reinstall the Oil Filler Plug.
  4. Wipe dry with a clean cloth. Then, store the Jack in a safe, dry location out of reach of children and other non-authorized people.

Troubleshooting

WARNING TO PREVENT SERIOUS INJURY: Use caution when troubleshooting a malfunctioning jack. Stay well clear of the supported load. Completely resolve all problems before use. If the solutions presented in the Troubleshooting guide do not solve the problem, have a qualified technician inspect and repair the jack before use.

After the jack is repaired: Test it carefully without a load by raising and lowering it fully, checking for proper operation, BEFORE RETURNING THE JACK TO OPERATION.

DO NOT USE A DAMAGED OR MALFUNCTIONING JACK!

Possible SymptomsProbable Solution (Make certain that the jack is not supporting a load while attempting a solution.)
Jack will not lift at its weight capacityCheck that Release Valve is fully closed. Bleed air from the system.
Saddle lowers under loadValves may be blocked and may not close fully. To flush the valves: 1. Lower the Saddle and securely close the Release Valve. 2. Manually lift the saddle several inches. 3. Open the release valve and force the saddle down as quickly as possible.
Pump stroke feels spongyJack may be low on oil. Check the oil level and refill if needed. Jack may require bleeding - see instructions on page 4.
Saddle will not lift all the wayUnit may have too much hydraulic oil inside, check fluid level and adjust if needed.
Handle moves up when jack is under load(No specific solution listed for this symptom in the provided text.)
Oil leaking from filler plug(No specific solution listed for this symptom in the provided text.)

Parts List and Assembly Diagram

Record Product's Serial Number Here: _________________________

Note: If product has no serial number, record month and year of purchase instead.

Note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts. Specify UPC 193175365743 when ordering parts.

PartDescriptionQtyPartDescriptionQty
1Retaining Ring (M20)217Set Screw1
2Washer (M20)218Upper Handle1
3Front Wheel219Lower Handle1
4Frame120Handle Lock Button1
5Nut (M16)421U-Joint1
6Washer (M16)422Hydraulic Unit1
7Screw (M5X12)423Spring2
8Rear Caster Assembly224Retaining Ring (M22)2
9Screw (M10X20)425Hydraulic Unit Adaptor1
10Washer (M10)426Pin (A4x55)1
11Bolt227Retaining Ring (M25)2
12Washer (M18)228Lift Arm Shaft1
13Retaining Ring (M12)129Cover Plate1
14Handle Socket Roller130Saddle1
15Handle Socket131Saddle Screw1
16Shaft132Handle Bumper1

Assembly Diagram Description: The diagram shows the various components of the floor jack and how they are assembled. Key parts include the frame, lift arms, wheels (front and rear casters), hydraulic unit, handle assembly (upper and lower handles, socket, roller), saddle, and various fasteners like screws, nuts, bolts, and retaining rings.

Warranty Information

Disclaimer: The manufacturer and/or distributor provides the parts list and assembly diagram as a reference tool only. They make no representation or warranty that the buyer is qualified to make repairs or replace parts. All repairs and parts replacements should be undertaken by certified and licensed technicians, not the buyer. The buyer assumes all risk and liability arising from their repairs or installation of replacement parts.

Limited 90 Day Warranty

Harbor Freight Tools Co. warrants this product to be free from defects in materials and workmanship for 90 days from the date of purchase. This warranty does not apply to damage due to misuse, abuse, negligence, accidents, unauthorized repairs or alterations, criminal activity, improper installation, normal wear and tear, or lack of maintenance. The manufacturer is not liable for death, injuries to persons or property, or for incidental, contingent, special or consequential damages. Some states may not allow limitations on incidental or consequential damages.

This warranty is expressly in lieu of all other warranties, express or implied, including the warranties of MERCHANTABILITY and FITNESS.

To take advantage of this warranty, the product or part must be returned with transportation charges prepaid. Proof of purchase and an explanation of the complaint must accompany the merchandise. If a defect is verified, Harbor Freight Tools will repair or replace the product at their election, or refund the purchase price if a replacement cannot be provided. Repaired products will be returned at the company's expense. If no defect is found, or the defect is outside the warranty scope, the buyer must bear the cost of returning the product.

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

Manufacturer Address: 26541 Agoura Road, Calabasas, CA 91302

Models: 56617, Pittsburgh 3 Ton Low Profile Floor Jack

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