Facom DL.32A Notice Originale page 8

Trouble
Hydraulic trolley jack does
not lift
Hydraulic trolley jack lifts only
partially
Hydraulic trolley jack advances
slowly
Hydraulic trolley jack lifts load,
but doesn't hold
Hydraulic trolley jack leaks
hydraulic fluid
Hydraulic trolley jack will not
retract
Hydraulic trolley jack retracts
slowly
GUARANTEE
Type D = 2 years. See the general conditions in the FACOM catalogue or the FACOM price list.
8
NU-DL32A DL.2LP DL.3CLP_0218.indd 8
Cause
1 . Release valve is open.
2. Law/no hydraulic fluid in reservoir.
3. Air locked system.
4. Load is above capacity of hydraulic trolley
jack.
5. Delivery valve and/or bypass valve not
working correctly.
6. Packing wom out or defective.
1. Too much or not enough hydraulic fluid.
1. Pump not working correctly.
2. Leaking seals.
1. Cylinder packing is leaking.
2. Valve not working correctly (suction, delivery,
release, or bypass.
3. Air-locked system.
1. Wom or damaged seals.
1. Release valve is closed.
1. Cylinder damaged internally.
2. Return spring(s) is damaged.
3. Link section is binding.
Solution
1. Verify the release valve is closed by position of the handle. Release
valve may need cleaning.
2. Fill with approved hydraulic fluid & bleed system.
3. Bleed the system.
4. Use correct equipment.
5. Clean the remove dirt or foreign matter. Replace hydraulic fluid.
6. Replace packing.
1. Check hydraulic fluid level.
1. Rework pump.
2. Replace seals.
1. Replace packing.
2. Inspect valves. Replace if necessary.
3. Bleed system.
1. Replace seals.
1. Open the discharge valve by turning the sleeve counter clockwise.
1. Send hydraulic trolley jack to authorized service center.
2. Replace return spring(s).
3. Lubricate link sections.
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