6. trouBleShootInG
proBleM
poSSIBle cauSe
reMeDy
Jack will not lift the load
1) overloaded
2) oil level low
3) Release valve not correctly closed
4) Air in system
5) Piston rod not functioning
6) Packing worn or defective
1) Be sure to use jack with adequate
capacity
2) Top up oil level
3) Check and close release valve
4) open release valve and pump the handle
a few times.
Close valve and re-try
5) Clean and replace oil
6) Replace packing
Jack does not lift high enough
or feels “spongy”
1) oil level too high or too low
2) Worn seals
3) Air in system
4) Release valve not closed
1) Fill or remove excess oil
2) Return jack to local service agent
3) open release valve and pump the handle
a few times. Close valve and re-try
4) Check and close release valve
Jack lifts poorly
1) Pump packing or valves malfunctioning
2) oil is dirty
3) Air in the system
1) Replace packing and/or clean valves
2) Replace oil
3) open release valve and pump the handle
a few times.
Close valve and re-try
Jack lifts but will not hold load
1) Release valve partially open
2) dirt on valve seats
3) Air in system
4) Faulty seals
5) Packing worn or defective
1) Check and close release valve
2) 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
3) open release valve and pump the handle
a few times. Close valve and re-try
4) Replace packing or contact local service
agent
5) Replace packing
Jack will not lower completely
1) Unit requires lubrication
2) Piston rod bent or damaged
3) Jack frame/link system distorted due to
overloading/poor positioning
4) Air in system
5) Release valve partially closed
6) Jack spring damaged or unhooked.
1) oil all external moving parts
2) Replace rod or contact local service agent
3) Replace damaged parts or contact local
service agent
4) open release valve and pump the handle
a few times.
Close valve and re-try
5) Check and fully open release valve
6) Replace spring or contact local service
agent
Jack does not lower at all
1) Release valve closed
1) Check and fully open release valve
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.
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.
3000CXd.V6 Issue 1 15/07/19
Original Language Version
© Jack Sealey limited
