MAK M 20 - Exhaust Gas

Emergency Stop
Safety System
A0.04
M20/M25/M32/M43
en / 15.12.2010 AA033984 4/5
5. Exhaust gas
Emergency stop due to excessively high exhaust temperature
Checks:
• Check exhaust gas temperature sensors.
• Aftercooler (differential pressure) (refer to A5.05.06.04.02.nn).
• Fuel pumps and fill level scale on each fuel pump.
• Injection valves (refer to A5.05.07.08.01.nn).
• Turbocharger
5.1 Contact your Caterpillar Service.
6. Check pneumatic emergency stop system on engine after every emergency
stop
Checks:
• Check emergency stop pneumatic system on the engine for leaks.
• Stop valve to main start line upstream from start valve must constantly be open during
operation, see engine documentation, chapter "Operating Instructions".
NOTE
In order for emergency stop safety device to operate properly, 7,5 bar pneumatic
supply has to be available continuously.