Original Language Version
© Jack Sealey Limited
7. TROUBLESHOOTING
Problem
Possible Cause
Remedy
Jack will not lift the load
Overloaded
Be sure to use jack with adequate capacity
Oil level low
Top up oil level
Release valve not correctly closed
Check and close release valve
Air in system
Check and close release valve and air vent
(if fitted) and pump the handle 15 to20 times.
Close valve and re-try.
Piston rod not functioning
Clean and replace oil
Packing worn or defective
Replace packing
Jack does not lift high enough or feels
“spongy”
Oil level too high or too low
Fill or remove excess oil
Worn Seals
Return jack to local service agent
Air in system
O
pen release valve and air vent (if fitted) and
pump the handle 15 to 20 times. Close valve
and re-try
Release valve not closed
Check and close release valve and re-try
Jack lifts poorly
Pump packing or valves malfunctioning
Replace packing and/or clean valves
Oil is dirty
Replace oil
Air in the system
O
pen 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 load
Release valve partially open
Check and close release valve
Dirt on valve seats
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
Air in system
O
pen release valve and air vent (if fitted) and
pump the handle 15 to 20 times. Close valve
and re-try
Faulty Seals
Replace packing or contact local service
agent
Packing worn or defective
Replace packing
Jack will not lower completely
Unit requires lubrication
Oil all external moving parts
Piston rod bent or damaged
Replace rod or contact local service agent
Jack frame/link system distorted due to
overloading/poor positioning
Replace damaged parts or contact service
agent
Air in system
O
pen release valve and air vent (If fitted) and
pump the handle 15 to 20 times. Close valve
and re-try
Release valve partially open
Check and fully open release valve
Jack spring damaged
Replace spring or contact service agent
Jack does not lower at all
Release valve still closed
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.
2500LE.V3, 2501LE Issue 2 (1,3) 20/08/20
