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6 - Maintenance
50 Hours Service - Hydraulic Oil for TWIN System, Filter Change
Next filter change is after 500 hours or once a year, whichever comes
first.
Always change the oil filter if the pressure gauge indicates a red area,
meaning that the filter is clogged. Only the green area is suitable for
operation of the TWIN air system.
Check the filter for clogging once every 10 working hours when the oil
has reached working temperature.
How to Change the Filter
1. Place a collection tray or a cloth under the filter (A) to collect waste
oil. Unscrew the filter cartridge.
2. The new filter cartridge is filled with fresh hydraulic oil. Apply a thin
oil film to the cartridge seal.
For details on oil type, see "Suitable Lubricants" on page 145.
3. Screw on the new filter cartridge until the seal is lying against the
flange.
4. Tighten the filter cartridge another 1/2 to 3/4 turn.
5. Check the oil level - fill oil if needed. When the oil level covers the
sight glass (B), the filling is completed. The minimum oil level is indicated by the red line in the sight glass.
μ
ATTENTION! Dispose of used hydraulic filter cartridges and waste oil in accordance with local legislation.
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