ZINKO HYDRAULIC JACK
PO Box 4903, Ontario, CA 91761
Toll Free: 1-800-579-8088
http://
www.zinko.com
Phone: (909) 989-9526
Fax: (909) 989-1724
Troubleshooting
P R O B L E M
C A U S E
S O L U T I O N
Air Pump
Will Not Operate.
Air Pump Acts
But Ram Will Not Rise.
1. Low air pressure.
2. Air outlet is frozen.
3. Packing defective, switching valve
defective or dirty.
4. Lack of oil.
1. Release valve is open.
2. Lack of hydraulic oil.
3. "Air-bound" in valve system.
4. Inlet/outlet valve dirty or defective,
packing defective.
1. Keep air pressure between 100-200 psi.
2. Stop using and thaw outlet.
3. Contact service center.
4. Supply oil from coupler or contact
service center.
1. Close valve clockwise.
2. Supply oil.
3. Remove spring, close valve and raise
ram.
4. Contact service center.
Ram Will Not Rise to
the Highest Position.
1. Lack of oil.
2. Release valve not securely closed.
1. Supply oil.
2. Close valve clockwise.
Ram Will Not Lower.
1. Outlet valve dirty or defective, or
packing defective.
1. Contact service center.
Ram Rises Slowly.
1. Filter is loaded, air pump packing
defective, or valve not properly
opened or closed.
1. Contact service center.
Oil Blowing From Air Pump.
1. Packing defective.
1. Contact service center.
Ram Will Not Lower.
1. Release valve defective.
1. Contact service center.
Ram Will Not
Lower Completely.
1. Deformation by overload or
eccentric load.
1. Contact service center.
If the above procedures do not correct the problem, contact your nearest
ZINKO
service facility. When submitting any jack or
equipment to be repaired, be sure to state the nature of the problem and indicate whether an estimate of the repair cost is needed.
Zinko Hydraulic Jack
Models: ZABJ-M Series
REV 092107
