May-19
Product Code: BTJ35TA
Made in China to TQB Brands Pty Ltd specifications
Page 7
Visit us at www.tqbbrands.com.au
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
ACTION
Jack will not lift
Release 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.
Move release valve to UP
position.
Fill with oil and bleed
system.
Bleed system.
Use correct equipment.
Clean to remove dirt or
foreign matter. Replace oil.
Install appropriate seal kit.
Jack lifts only
partially
Too much or not enough oil
Check oil level
Jack advances slowly
Pump not working correctly
Leaking seals
Install seal kit, or replace
power unit
Install seal kit
Jack lifts load, but
doesn’t hold
Cylinder packing is leaking
Valve not working correctly
(suction, delivery, release or
bypass).
Air-locked system
Install seal kit
Inspect valves. Clean and
repair seat surfaces
Bleed system as per
instructions
Jack leaks oil
Worn or damaged seals
Install seal kit
Jack will not retract
Release valve control in wrong
position
Move Release valve to
DOWN position
Jack retracts slowly
Cylinder damaged internally
Send jack to authorised
service centre
