Sealey Group, Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR
01284 757500
01284 703534
www.sealey.co.uk
ENVIRONMENT PROTECTION
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted, taken to
a recycling centre and disposed of in a manner which is compatible with the environment. When the product becomes completely
unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and dispose of the product and fluids
according to local regulations.
Original Language Version
© Jack Sealey Limited
7. TROUBLESHOOTING
Problem
Possible cause
Remedy
Jack will not lift the load
Overloaded
Oil level low
Release valve not correctly closed
Air in system
Piston rod not functioning
Packing worn or defective
Use jack with correct capacity
Top up oil level
Check and close release valve
Open release valve and air vent (if fitted)
and pump the handle 15 to 20 times. Close
valve and re-try
Clean and replace oil
Replace packing
Jack does not lift high enough or
feels spongy
Oil level too high or low
Worn seals
Air in system
Release valve not closed
Fill or remove excess oil
Return jack to local service agent
Open release valve and air vent (if fitted)
and pump the handle 15 to 20 times. Close
valve and re-try
Check and close release valve
Jack lifts poorly
Pump packing or valves
malfunctioning
Oil is dirty
Air in the system
Replace packing and/or clean valves
Replace packing and/or clean valves
Replace oil
Open release valve and air vent (if fitted)
and pump the handle 15 to 20 times. Close
valve and re-try Replace oil
Open release valve and air vent (if fitted)
and pump the handle 15 to 20 times. Close
valve and re-try
Jack lifts but will not hold the
load
Release valve partially open
Dirt on valve seats
Air in system
Faulty seals
Packing worn or defective
Check and close release valve
Lower jack, close release valve. Place foot
on front wheel and pull up lifting arm to it’s
full height by hand.
Open the release valve to lower arm
Open release valve and air vent (if fitted)
and pump the handle 15 to 20 times. Close
valve and re-try
Replace packing or contact local service
agent
Replace packing
Jack does not lower completely
Unit requires lubrication
Piston rod bent or damaged
Jack frame/link system distorted
due to overloading/poor
positioning
Air in system
Release valve partially open
Jack spring damaged
Oil all external parts
Replace rod or contact local service agent
Replace parts or contact local service
agent
O
pen release valve and air vent (if fitted)
and pump the handle 15 to 20 times. Close
valve and retry
Check and fully open release valve
Replace spring or contact local service
agent
Jack does not lower at all
Release valve still closed
Check and fully open release valve
Note
: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior
notice. Please note that other versions of this product are available. If you require documentation for alternative versions, please email or call
our technical team on [email protected] or 01284 757505.
Important
: No Liability is accepted for incorrect use of this product.
Warranty
: Guarantee is 12 months from purchase date, proof of which is required for any claim.
3290CX.V2 Issue:2 (3) 08/02/21