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Oct-21
TROUBLESHOOTING
PROBLEM
Jack will not lift
Jack lifts only partially
Jack advances slowly
Jack lifts load, but
doesn't hold
Jack leaks oil
Jack will not retract
Jack retracts slowly
PLEASE NOTE:
TO LOWER THE JACK, THE SAME AMOUNT OF FREE AIR FLOW IS REQUIRED AS WHEN LIFTING
POSSIBLE CAUSE
• Control valve in wrong position.
• Low/no oil in reservoir.
• Air-locked system.
• Load is above capacity of jack.
• Delivery valve and/or bypass
valve not working correctly.
• Seals worn out or defective.
• Not enough air pressure
• Too much or not enough oil
• Pump not working correctly
• Leaking seals
• Cylinder packing is leaking
• Valve not working correctly
(suction, delivery, release or
bypass).
• Air-locked system
• Worn or damaged seals
• Control valve in wrong position
• Air Pressure to low
• Cylinder damaged internally
Made in China to TQB Brands Pty Ltd specifications
Visit us at www.tqbbrands.com.au
ACTION
• Turn control valve knob clockwise.
• Fill with oil and bleed system.
• Bleed system.
• Use correct equipment.
• Clean to remove dirt or foreign
matter. Replace oil.
• Install appropriate seal kit.
• Ensure constant air delivery of
above 120psi
• Check oil level
• Install seal kit, or replace power
unit
• Install seal kit
• Install seal kit
• Inspect valves. Clean and repair
seat surfaces
• Bleed system as per instructions
• Install seal kit
•
Move Control valve to DOWN
position
• Ensure constant air delivery of
above 120psi
• Send jack to authorised service
centre
BTJ1530TA
P a g e
| 10
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