Fig. 60 Engine air intake shut-off valve maintenance
1
Flexible hose (motor side)
2
Hose clamp
3
Engine air intake shut-off valve
4
Air intake hose (filter side)
➤ Open the canopy.
Engine air intake shut-off valve cleaning
1.
The engine air intake shut-off valve does not close fully!
The machine does not shut down? Destruction of the engine and explosion and/or fire are pos‐
sible!
➤ Do not grease the valve, as this may cause a build up of dust and valve sticking.
2. Loosen the hose clamp on the filter side of the valve.
3. Turn the air intake hose to one side.
4. Loosen the hose clamp on the engine side of the valve.
5. Remove the valve from the flexible hose.
6. Check if the interior of the shut-off valve is clean.
Blow out any dirt with compressed air.
If necessary, clean the valve with petroleum ether or spirit and allow to dry.
Refer to a specialized workshop or an authorized KAESER service representative if dirt can‐
not be removed.
Checking the engine air intake shut-off valve for correct function and movement
1. Check the valve for signs of excessive wear.
2. Check that the valve plate closes fully and easily.
Result Have the engine air intake shut-off valve changed if it is heavily worn or malfunctions in any way.
1. Slide the valve onto the flexible hose.
2. Tighten the hose clamp on the motor side.
3. Reposition the air intake hose on the filter side and tighten the hose clamp.
4. Close the canopy.
5. Start the machine and switch to LOAD.
If the engine stops while switching to LOAD, have the valve adjusted by a specialized work‐
shop or an authorized KAESER service representative.
10 Maintenance
10.8 Maintenance for Optional Items
148
Operator Manual Screw Compressor
MOBILAIR M27
No.: 9_9547 13 USE
