After Stopping The Engine - Putting The Engine Out Of Operation - MTU Gas engine8 V 4000 L62 Operating Instructions Manual

3.9 After stopping the engine – Putting the engine out of
operation
Preconditions
☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.
After stopping the engine
Item
Coolant system
Power supply to engine
control system
Gas supply
Air intake and exhaust sys‐
tems
Starter battery (batteries)
Control-voltage battery
(batteries)
Task
Drain engine coolant (→ Page 76);
Drain mixture coolant (→ Page 82) if:
• freezing temperatures are expected and the engine is to remain out of
service for an extended period, but coolant has no antifreeze additive;
• the engine room is not heated;
• the coolant is not maintained at a suitable temperature;
• the antifreeze concentration is insufficient for the engine-room tempera‐
ture;
• antifreeze concentration is 50 % and engine-room temperature is below
-40 °C.
Switch OFF.
Close gas shutoff valve.
If the engine is to remain out of service for more than 1 week, seal the
engine's air and exhaust sides. If the engine is to remain out of operation
for more than 1 month, preserve engine (→ MTU Fluids and Lubricants
Specifications A001061/.. ).
Charge regularly (trickle charge).
If fitted: Charge regularly (trickle charge).
MS150032/02E 2012-07 | Operation | 45