Jackco 65300 User manual

Jackco Transnational Inc. © 2010
South El Monte, CA
888-452-2526
3 TON LOW PROFILE
ALUMINUM FLOOR JACK
USER'S MANUAL
MODEL 65300
*This hydraulic jack conforms to all "ANSI / ASME" safety standards.
To see more jackco products please visit our website at www.jackco.com

FOR YOUR SAFETY
• Read these safety instructions carefully and keep this manual in an easy to nd place as
you may need to use it again.
• Non-compliance with these rules may result in injury or damage to the jack or the vehicle.
• Do not modify the jack in any way.
• Never exceed the rated capacity of the jack.
• This jack is a lifting device only and should never be used to move the vehicle.
• 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.
• Ensure that there are no persons inside the vehicle to be lifted. Switch off the engine and
apply the brake.
• Position the jack under the manufacturer’s recommended lifting point for the vehicle. Off-
centered loads can slip and accidents may result.
• During raising and lowering of the load, precautions should be taken to avoid movement
of the vehicle. Trafc may cause the raised vehicle to rock during roadside use of the
jack.
• Never work under a raised vehicle without supporting it with mechanical/jack stands.
• Never position any part of your body near the movable parts of the jack.
• Ensure that there are no persons or obstructions underneath the vehicle prior to lowering.
• Do not adjust the overload bypass valve under any circumstance.
Use wheel chocks appropriately.
2

PRIOR TO OPERATION
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.
Turn the handle clockwise.
Move the handle up and down. Use the full stroke of the piston for
greater speed.
Support the vehicle with appropriate jack stands.
To Lower a vehicle:
Lift the vehicle to remove the jack stands, ensuring that there are
no persons or obstructions under the vehicle. Turn the handle
counter-clockwise.
SPECIFICATION
Capacity: 3 tons Chassis Width: 13 in
Min Height : 3.75 in Saddle Diameter : 4.52 in
Max Height : 18.1 in Net Weight : 58 lbs
Length: 26.4 in
To Lift a Vehicle:
To Purge Air
OPERATING INSTRUCTION
Air may become trapped in the hydraulic system during transit.
3

• Only original replacement parts should be used.
Extremely Important: never use brake uid.
• 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 uid level, lower the lifting arm completely.
• The hydraulic uid level should be just below the ller 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 b. Leaking hydraulic uid
c. Scored, damaged piston rod d. Loose hardware
e. Modied equipment
• Keep warning labels and instructional decals clean and readable. You may use a
mild soap solution to wash external surfaces of the jack.
MAINTENANCE
Important: Both the maintenance and repair of the jack may only be performed by
qualied persons, who have sufcient knowledge of the hydraulic system used in these
jacks
Regularly lubricate the moving parts in the wheels, arms, handle
and pump roller pin.
4

Caution: To prevent personal injury, all inspection, maintenance, and repair
procedures must be performed when the jack is free of load.
TROUBLESHOOTING
Trouble Cause Solution
Jack does not lift
1.Release valve is open 1. Verify the release valve is
closed. Release valve may
need cleaning.
2.Low/no hydraulic uid in
reservoir
2. Fill with approved hydraulic
uid and bleed system
3. Air trapped in hydraulic system 3. Follow the purge air
procedure
4.Load is above capacity of jack 4. Use correct equipment
5.Delivery valve and/or bypass
valve not working correctly
5. Clean to remove dirt or
foreign objects from the
system. Replace hydraulic
uid
6.Seals worn or defective 6.Replace seals
Jack lifts only partially
1.Too much or not enough
hydraulic uid
1. Check hydraulic uid level
Jack advance slowly
1.Pump not working correctly 1.Rework pump
2.Seals leaking 2.Replace seals/O-rings
Jack lifts load,
but doesn’t hold
1.Cylinder packing is leaking 1.Replace packing
2.Valve not working
correctly(suction, delivery,
release, or bypass)
2.Inspect valves. Replace if
necessary
3. Air trapped in hydraulic system 3. follow the purge air
procedure
Jack leaks hydraulic
uid
1.Worn or damaged seals 1.Replace seals
Jack will not retract
1. Release valve is closed 1.Open the release valve by
turning the handle counter-
clockwise (CCW). Maybe
necessary to clean release
valve.
5

PARTS LIST

Part No. Description Q'ty Part No. Description Q'ty
1 Saddle Pad 1 10 Rear Caster Assembly 2 2 Saddle Screw 1 11 Nut M12 4 3 Saddle 1 12 Handle Yoke 1 4 Saddle Base 1 13 Handle Set Screw 1 5 Lift Arm Assembly 1 14 Handle, Upper Section 1 6 Radius Rod 2 15 Handle, Lower Section 1 7 Front Wheel 2 16 Handle Bumper 1 8 Carrying Handle 2 17 Tie Rod 1 9 Side Plate 2 18 Power Unit Assembly 1

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 of maintenance, abuse or applications other than the specic function the equipment or tool is designed for.
No other warranties, expressed or implied, including those of merchantability or tness 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 specic legal rights which may very from state to state. Jackco Transnational Inc. © 2009
South El Monte, CA
888-452-2526 www.jackco.com