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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!
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Take appropriate safety measurements when handling oil.
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Dispose of used oil in accordance with local regulations.
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Close the filler hole with the oil filler plug [G].
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Re-install and close the release valve [D] completely.
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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)
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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.
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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
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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)
07/06/2010
ABJxT
5
Rev. 02
®
© Velleman
nv
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