3 ton low profile floor jack user`s manual model 66300b
Contents
1. LAAVWVEBRVAAAT WRVEERTAAAT TU ELSE A Support the vehicle with appropriate jack stands To Lower a vehicle no persons or obstructions under the vehicle Turn the handle 9 Lift the vehicle to remove the jack stands ensuring that there are counter clockwise 3 MAINTENANCE Important Both the maintenance and repair of the jack may only be performed by qualified persons who have sufficient knowledge of the hydraulic system used in these jacks s TI Regularly lubricate the moving parts in the wheels arms handle CIL and pump roller pin e Only original replacement parts should be used Extremely Important never use brake fluid When the jack is not in use make sure the lifting arm is fully retracted to avoid corrosion Keep the jack in a clean dry place and out of children s reach Replace the hydraulic fluid in the reservoir at least once a year To check the hydraulic fluid level lower the lifting arm completely The hydraulic fluid level should be just below the filler plug Replenish if necessary and reinstall the rubber filler plug Excessive hydraulic oil may render the jack inoperative Inspect the jack before each use Take corrective action or remove the jack from service if any of the following problems are found a Cracked or damaged frame d Loose hardware b Leaking hydraulic fluid e Modified equipment c Scored damaged piston rod Keep warning labels and instructional decals clean2. JACKCO MODEL 66300B 3 TON LOW PROFILE FLOOR JACK USER S MANUAL This hydraulic jack conforms to all ANSI ASME safety standards Jackco Transnational Inc 2010 South El Monte CA 888 452 2526 To see more jackco products please visit our website at www jackco com FOR YOUR SAFETY e Read these safety instructions carefully and keep this manual in an easy to find place as you may need to use it again e Non compliance with these rules may result in injury or damage to the jack or the vehicle e Do not modify the jack in any way e Never exceed the rated capacity of the jack e This jack is a lifting device only and should never be used to move the vehicle e The jack should be supported on a solid and level ground Never use the jack in a surface where it may sink into the ground e Ensure that there are no persons inside the vehicle to be lifted Switch off the engine and apply the brake e Position the jack under the manufacturer s recommended lifting point for the vehicle Off centered loads can slip and accidents may result e During raising and lowering of the load precautions should be taken to avoid movement of the vehicle Traffic may cause the raised vehicle to rock during roadside use of the jack e Never work under a raised vehicle without supporting it with mechanical jack stands e Never position any part of your body near the movable parts of the jack e Ensure that there are no persons or o
3. Part No Description Q ty 1 RetainingRing 2 2 Washer 2 Front Wheel 2 13 Universal JointAssy 1 Rear Caster Assy 2 1 5 Hex Nut 8 Lock Washer 2 15 GreaseFitting 1 6 Yoke Retaining Bolt amp Washer 2 16 Retaining Ring 2 7 _ Handle Lever B 1 17 Sadde J1 8 Handle Lever A 1 18 Saddle Screw J1 9 Handle Bumper 1 19 Rubber Saddle Pad 1 Model 66300B Power Unit Index Description Q ty No Description Q ty No Index 6 Cylinder Nut 1 25 SteelBal6 tt 8 Gasket 1 27 Retaining Ring 20 9 Steel ball4 1 28 Large Pump Piston 2 Small Pump Housing Small Pump Piston Universal Joint Assembl Oil Fill Screw O Ring 10 x 2 65 Index numbers are for your reference only not all parts are available separately LIMITED ONE YEAR WARRANTY Jackco Transnational Inc warrants all Jackco equipment and tools to the original purchaser against any manufacturing defect in material or workmanship for a period of one 1 year from the original date of purchase If the defective equipment or tool is determined to be covered under this warranty it shall be repaired or replaced at manufacturer s discretion without charge provided that the equipment or tool must be returned with proof of purchase to the dealer and freight prepaid if returned to the manufacturer This warranty shall not apply to damage due to accident negligent use and lack o
4. and readable You may use a mild soap solution to wash external surfaces of the jack TROUBLESHOOTING Caution To prevent personal injury all inspection maintenance and repair procedures must be performed when the jack is free of load Trouble Solution 1 The release valve is not closed Turn the valve clockwise tightly If this does not work remove handle lubricate handle receptacle and handle end then retry 2 Low on hydraulic fluid Follow Step 5 of Jack will not lift load or leaks down the ASSEMBLY procedure on page 3 excessively 3 Pump seals or back up ring may be defective Clean hydraulic fluid passages replace seals and refill hydraulic fluid Must be serviced by qualified service center 1 Low on hydraulic fluid Follow Step 5 of the ASSEMBLY procedure on page 3 Jack will not lift to its full height 2 The hydraulic system has trapped air Follow Step 5 of the ASSEMBLY procedure on page 3 Return spring is broken or linkages are Jack will not lower completely binding Replace spring if broken Grease pivot shaft and all lift arm linkages Jack will not lift smoothly or jack ami eee feels spongy procedure on page 3 Discharge ball is not sealing hydraulic system and oil may be dirty Manually flush hydraulic system Open the release valve as required to raise and lower the lift arm Manually raise and lower lift arm Jack will not hold load or handle rises PARTS LIST Part No Description Q ty
5. bstructions underneath the vehicle prior to lowering e Do not adjust the overload bypass valve under any circumstance 4eg Use wheel chocks appropriately SPECIFICATION Capacity Saddle Diameter Min Height Strokes to Max Height 8 Max Height 20 25 in Net Weight 105 6 Ibs 29 75 in L x 14 2 in W Po PRIOR TO OPERATION Air may become trapped in the hydraulic system during transit To Purge Air 1 Insert the handle into the socket and secure it with the set screw provided 2 Turn the handle counterclockwise until release valve is open pump the jack several times to purge the accumulated air in the system 3 Turn the handle clockwise to close the release valve The jack is now ready to use ASSEMBLY Please refer to the exploded view drawing in this manual in order to identify parts 1 Assemble the two handle halves together by depressing the spring loaded button on the knurled handle section 7 and inserting the upper handle section into the lower section 8 The spring loaded button should engage with the hole in the lower handle section 2 Grease the inside of the handle yoke 11 and remove the handle set screw 10 3 Install the handle assembly in the handle yoke until the bottom of the handle engages with the universal joint assembly 13 4 Reinstall the handle set screw in the handle yoke making sure the screw secures the handle to the handle yoke Tighten the screw 5 Air may become trapp
6. ed in the hydraulic system during shipping and handling Trapped air will affect the pumping performance of the jack If this occurs follow the air pumping procedure below a Remove the four screws that secure the cover plate A to the jack frame B so the oil filler screw 37 can be removed from the hydraulic power unit reservoir tube 38 b With the lift arm C in its down position look inside the oil fill screw hole You should be able to see the top of the power unit s cylinder 35 The hydraulic fluid level should be no higher than the top of the cylinder Correct the fluid level if it is not at the proper height c Pump the jack against a load that is at least 500 Ibs 225 Kgs After the load is raised slightly turn the lift handle in a counterclockwise rotation so the load is very slowly lowered While the lift arm is lowering quickly pump the lift handle 5 or 6 full incremental pump strokes After pumping lower the lift arm to its full rest position d Install the oil fill screw 37 Rotate the handle in a clockwise rotation until tight and pump the lift arm to maximum height lf the pumping condition has improved repeat steps a through d until all of the air has been purged from the system e Install the cover plate A with the four screws OPERATING INSTRUCTION To Lift a Vehicle Turn the handle clockwise Move the handle up and down Use the full stroke of the piston for greater speed UMITI
7. f maintenance abuse or applications other than the specific function the equipment or tool is designed for No other warranties expressed or implied including those of merchantability or fitness for particular purpose shall be applicable to Jackco except as specifically stated herein In no event shall Jackco be liable to any party for any special direct indirect consequential punitive damage of any nature caused by the sale or use of the equipment or tool Note This warranty gives the original purchaser specific legal rights which may very from state to state Jackco Transnational Inc 2010 South El Monte CA 888 452 2526 www jackco com
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