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4.4
Troubleshooting or error display and remedy
Symptoms
Axle-free jack does not lift
Axle-free jack does not lift the
specified load
Axle-free jack does not lower
Lifter does not stay in position
Siphon lowers jerkily
4.5
Maintenance and service instructions
Note
All maintenance and service work should be carried out at least after
plan"
take place
Oil level check
1. Lower the lifting platform completely
2. Remove the filler cap
3. Check the oil level at the filler cap
Oil change
1. Lower the lifting platform completely.
2. Remove the oil filler plug
3. Carefully remove the oil drain plug and allow the oil to drain into a suitable container
Note
Clean the tank and oil filter to prevent premature contamination of the hydraulic oil.
4. After the oil is completely drained, close the tank with the oil drain plug
5. Fill the new oil into the oil tank
6. Raise and lower the lift and check that the maximum lifting height is still correct
® Copyright ATH-Heinl GmbH & Co. KG / All rights reserved / Misprints and technical changes reserved
58
Cause
No compressed air supply
Lack of oil
Pump defective
Pump defective
Lowering valve defective or dirty
Oil leak
Air in hydraulic system
Release date: 16.11.2023 / Product manufacturer ATH-Heinl GmbH & Co. KG
Solution
Establish compressed air connection
Restore correct oil level
Replace pump
Replace pump
Replace or replace lowering valve
Tighten oil lines or check for
damage
Bleed the system
"Maintenance or care
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