8.17.2 Engine coolant – Level check
Preconditions
☑
Engine is stopped and starting disabled.
☑
MTU Fluids and Lubricants Specifications (A001061/..) are available.
WARNING
Coolant is hot and under pressure.
Risk of injury and scalding!
• Let the engine cool down.
• Wear protective clothing, gloves, and goggles / safety mask.
Checking coolant level at filler
neck
1.
Turn breather valve of filler neck on coolant
expansion tank counterclockwise to first stop
and allow pressure to escape.
2.
Continue to turn breather valve counterclock-
wise and remove.
3.
Check coolant level (coolant must be visible
at the lower edge of the cast-in eye).
Checking coolant level at re-
mote cooler
1.
Check coolant level (coolant must be visible
at marking plate).
2.
Top up with treated coolant as necessary
(→ Page 132).
3.
Check proper condition of breather valve and
clean sealing faces.
4.
Place breather valve on filler neck and close.
Coolant level check by means of level sensor:
1.
Switch on engine control system and check display (coolant level is automatically monitored by engine con-
trol system).
2.
Top up with treated coolant as necessary (→ Page 132).
MW15409/04E 2015-08
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Summary of Contents for 12V2000M91
Page 1: ...Operating Instructions Diesel Engine 12V2000M91 16V2000M91 MW15409 04E...
Page 23: ...MW15409 04E 2015 08 General Information 23 TIM ID 0000002178 006...
Page 24: ...Lube oil system covers 24 General Information MW15409 04E 2015 08 TIM ID 0000002178 006...
Page 25: ...MW15409 04E 2015 08 General Information 25 TIM ID 0000002178 006...
