MULTILIFT XR S - Page 175

XR21S59 CHU 175
1/2018
113813003
Hooklift Multilift XR21S59 CHU
Service Manual
Safety
• Suitable eye and hand protection must be worn whilst carrying out this operation.
• Ensure suitable containers to hold the amount oil you will be draining are available
before starting this operation.
Environment
• Ensure oil waste oil is disposed of safely and in accordance with any local
environmental regulations.
Attention! Ask the oil supplier for instructions. If you do not receive any
instructions, follow these recommendations:
Procedure
1. Completely empty the oil tank via the drain plug. Clean the oil tank carefully
from oil and contamination. On older systems with heavy contamination, it may
be necessary to remove the oil tank and ush out with a suitable ushing
agent.
2. Completely empty the hydraulic cylinders, tubes, hoses and the suction hose to
the pump.
3. Change the return lter.
4. Fill the tank with new oil via the return lter. Operate all cylinders carefully to
ensure that they will be lled with oil. Ensure that the pump is lled all the time.
Fill up the tank before it gets empty.
5. Drive for 2 or 3 days.
6. Check that all piston rods of the cylinders are in retracted position. Completely
empty the oil tank via the drain plug and change the return lter. Fill up the oil
tank with new oil and operate all cylinders carefully to ensure that they will be
lled with oil. Ensure that the pump is lled all the time. Check that the oil level
in tank remains in correct level.
Note! Synthetic esters can dissolve old contamination. If the performance of
the hooklift appears to deteriorate before the oil lter change, inspect
the lters and change if necessary.