Velleman ABJ10T - Manual (Page 5)

ABJxT Rev. 02
07/06/2010 © Velleman ® nv 5
Recommended oil:
Ambient temperature -5 ~ +45°C: machine oil N15
Ambient temperature -20 ~ -5°C: synthetic spindle oil
• The oil should be replaced once a year. To replace the oil, open the oil filler
plug [G] and remove the release valve [D] completely by turning it counter
clockwise. Be careful not to contaminate the inside of the hydraulic system!
Remove and refill via the oil filler plug hole.
Notes:
•
Use of improper oil or other fluid can cause serious damage to the
internal parts of the jack!
• Take appropriate safety measurements when handling oil.
• Dispose of used oil in accordance with local regulations.
• Close the filler hole with the oil filler plug [G].
• Re-install and close the release valve [D] completely.
• Pull the saddle [A] all the way up than open the release valve [D] to lower
the saddle. Force the saddle to lower faster. Close the release valve [D] and
repeat this procedure a couple of times to ensure proper oil distribution.
7. Troubleshooting
Jack will not raise / lift load / lift load to full height
Jack lowers under load
• The weight of the load is higher than the max. indicated load for the jack. Use
a suitable jack.
• Release vale is open. Close it tightly by turning it clockwise. Check whether
dirt prevents the release valve to be closed completely. Remove the release
valve and clean it.
• Inspect oil level and add/replace oil when necessary (see §6).
• Remove air from hydraulic system (see §5: before use)
• If above steps do not solve the problem, there is something wrong with the
hydraulic system itself. Contact your local dealer for service and support.
Jack will not lower
• When there is load on the jack and it will not lower, remove the load by
carefully lifting it with a second jack.
• Never apply excessive force (e.g. use a hammer) on the saddle to lower it.
• Check the oil level – too much oil will block the hydraulic system.
• Dirt may block the release valve. Remove and clean it and replace the oil (see
§7).
• Remove air from hydraulic system (see §6: before use)
• Make sure the system is sufficiently greased.
Weak lifting
• This is possibly be caused by dirty oil – replace the oil (see §6).
• Close the release valve tightly by turning it clockwise. Check whether dirt
prevents the release valve to be closed completely. Remove the release valve
and clean it.
• Remove air from hydraulic system (see §5: before use)
Unloaded saddle slowly moves up
• Remove air from hydraulic system (see §5: before use)