10.8.7 Option lb
Engine air intake shut-off valve maintenance
Material Compressed air for blowing out
Petroleum ether or spirit
Cleaning cloth
Precondition The machine is shut down.
The machine is fully vented, the pressure gauge reads 0 bar.
Machine is cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
NOTICE
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. 78 Engine air intake shut-off valve maintenance
1 Engine air intake
2 Engine air filter
3 Air intake hose (engine side)
4 Air intake hose (filter side)
5 Engine air intake shut-off valve
6 Hose clamp
➤ Open both doors.
Cleaning the engine air intake shut-off valve:
1.
NOTICE!
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
possible!
➤ 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 and turn the air intake hose to one side.
10 Maintenance
10.8 Maintenance of Optional Items
146
Service manual Portable compressor
M122
No.: 9_6974 20 E
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