Precondition The negative cable to the battery is disconnected.
1. Raise the canopy.
2.
Empty the water trap (see above).
3. Unscrew the filter element 2
from the filter head 1 anti-clockwise.
4.
Unscrew the separator bowl 3
from the filter element and clean the bowl.
5.
Check the separator bowl gasket 3
for damage and good seating.
Change the gasket if defective.
6.
Smear some clean fuel on the gasket.
7. Screw the separator bowl 3
onto a new filter element 2 .
8.
Check the filter head gasket 1
for damage and good seating.
Change the gasket if defective.
9.
Smear some clean fuel on the gasket.
10. Check that the drain plug 4
under the separator bowl is tight.
Screw in the plug if it is loose.
11.
Fill the filter element 2
with clean fuel.
12.
Screw the filter element 2
carefully into the filter head 1 .
13.
Reconnect the battery.
14. Close the canopy.
Starting the machine and carrying out a trial run
1. Start the machine and allow it to idle for about 1 minute.
2. Visually check the fuel system for leaks.
3. Shut down the machine.
4. Tighten all fittings.
10.3.4 Changing the engine oil
The engine oil should be changed:
■ according to the maintenance schedule,
■ according to the degree of contamination of the intake air,
■ at least once a year.
Material New engine oil, see chapter 2.6.4 for engine oil filling quantity.
Receptacle
New gasket for the drain plug
Cleaning cloth
Funnel
Precondition The machine is shut down.
The machine is standing level.
The machine is fully vented, the pressure gauge reads 0 bar.
Engine at operating temperature.
All compressed air consumers are disconnected and the air outlet valves are open.
The negative cable to the battery is disconnected.
10 Maintenance
10.3 Engine
No.: 9_9432 02 E
Service Manual Screw Compressor
M43
81
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