Adjusted engine air intake shut-off valve
The engine air intake shut-off valve does not close when flammable gas is drawn into the
engine:
The machine does not shut down? Destruction of the engine and explosion and/or fire are
possible.
➤ Do not move the valve adjusting screw.
➤ Have the valve set by a specialist workshop or KAESER SERVICE.
Fig. 91 Maintain the engine air shut-off valve
1
Motor air filter
2
Turbocharger
3
Turbo air cooler
4
Engine air shut-off valve
5
Air inlet hose (air filter side)
6
Fixing angle
7
Hose clamp
8
Air inlet hose (engine side)
9
Pipe clamp
➤ Open both right-side doors.
Clean the engine air shut-off valve:
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 pipe clamp from the fixing angle.
3. Loosen the pipe clamp, pull the air intake hose from the engine air shut-off valve and swing the
air pipe away.
4. Check if the interior of the shut-off valve is clean.
Engine shut-off valve is clogged: Blow out with compressed air.
If necessary, clean the valve with cleaning fluid or spirit and allow to dry.
If dirt cannot be removed: Contact specialist workshop or KAESER SERVICE.
10 Maintenance
10.11 Maintenance for Optional Items
No.: 9_9570 07 USE
Operator Manual Screw Compressor
M250 SIGMA CONTROL MOBIL
183