6. MAINTENANCE
6.1.
When the lift is not in use, it must be returned to its lowest position to minimise ram and piston corrosion.
6.2.
Keep the lift clean and wipe off any oil or grease. Lubricate all moving parts.
6.3.
Before each use check all parts. If any part of the lift is damaged or suspect, remove lift from service and take necessary action to
repair.
8
DO NOT
use the lift if it is believed to have been subjected to abnormal load or shock. Inspect and take appropriate action.
6.4.
Check the ram and piston periodically for signs of corrosion. Clean exposed areas with a clean oiled cloth.
6.5.
Topping up the oil.
Top up the oil as in section 4.6.1. above. Use only a good quality jack oil HJO500HLS, HJO5LS.
8
DO NOT
use any other fluid such as: brake fluid, automatic transmission fluid or engine oil.
7. TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSES
SOLUTION
Jack will not lift load.
Release valve not tightly closed.
Close release valve fully.
Overload condition.
Remove/reduce load
Hydraulic unit malfunction
Service hydraulic unit
Jack will lift but not retain pressure
Release valve not tightly closed.
Close release valve fully.
Overload condition.
Remove/reduce load
Hydraulic unit malfunction
Service hydraulic unit
Jack will lift not lower after unloading
R
eservoir overfilled
D
rain fluid to correct level
Linkages binding
Clean & lubricate moving parts
Poor lift performance
Fluid level low
E
nsure proper fluid level
Air trapped in system
Bleed system
Poor lift performance
Fluid level low
Top up to correct level
Air trapped in system
Bleed system
Will not lift to full extension
Fluid level low
E
nsure proper fluid level
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.
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.
MCL500 Issue 2 (H2F) 24/04/20
Original Language Version
© Jack Sealey Limited