1. Raise the canopy.
2.
Undo the union nut 2
and bend the oil return line 1 to one side.
3.
Unscrew the dirt trap 3
.
4.
Remove and clean the strainer 4
and O-ring 5 .
5.
Check the strainer and O-ring for function and wear.
Renew if non functional.
6. Clean the housing and fitting 6
.
7.
Re-insert the strainer and O-ring in the housing and close with the fitting.
8. Refit the oil return line and tighten the union nut.
9. Reconnect the battery negative terminal.
10. Close the canopy.
10.4.6 Air filter maintenance
The air filter must be cleaned at the latest when the corresponding maintenance indicator de‐
mands.
Replace the filter element yearly.
Material Compressed air for blowing out
Spare parts (as required)
Precondition The machine is shut down.
The machine is fully vented, the pressure gauge reads 0 psig.
Machine is cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
Fig. 36 Compressor air filter maintenance
1 Wing nut
2 Washer
3 Filter cap
4 Air filter element
5 Inlet valve
6 Maintenance indicator
7 Airend
8 Reset know maintenance indicator
9 Red zone indicator scale
10 Indicating piston of the maintenance indi‐
cator
10 Maintenance
10.4 Compressor
96
SERVICE MANUAL Screw Compressor
M26 No.: 9_9446 01 USE
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