Troubleshooting - Borum BPROAJ22T Owner's Manual

Mar-18

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
POSSIBLE CAUSE

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.

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

Release valve control in wrong
position

Cylinder damaged internally
Made in China to TQB Brands Pty Ltd specifications
Visit us at www.tqbbrands.com.au
Product Code: BPROAJ22T
ACTION

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.

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 Release valve to
DOWN position

Send jack to authorised
service centre
Page 7