Cooling System
Z001138-1_2013-02-01
10/21
5.
Coolant loss in engine cooling system
5.1 Coolant loss:
Control works:
- (item 4) check cooler cap
- defective monoblock (due to combustion pressure, gases enter the engine
cooling system).
5.2 Gas-air mixtures enter the cooling system.
5.2.1 - Defective monoblock
This fault only can be stated with using special tool VR 00147/0 (test
equipment for CO² in engine cooling circuit).
Procedure: See specification from special tool P/N VR 00147/0
Conclusion: CO² entry (combustion gas) in the engine cooling circuit.
Control works:
Assembly of unit injector, refer to 03.02.02; check specified tightening torque.
Repeat test procedure and check according 03.14.03 to determine cylinder
affecting the system resp. pushing combustion gases into the coolant system.
Repeat check. If result remains unchanged, the monoblock is defective.
Repair works:
Exchange monoblock.
Summary of Contents for Marine Engine 2012 Series
Page 35: ...General 35 65 Z001138 1_2013 02 01 Trouble Indication ...
Page 36: ...General Preliminary Service Manual MARINE 2012 Z001138 1_2013 02 01 36 65 ...
Page 51: ...General 51 65 Z001138 1_2013 02 01 G Notes on safety ...
Page 69: ...Engine Z001138 1_2013 02 01 4 87 Kapitel MOUNT BRACKET COVER T BELT GASKET SET ...
Page 154: ...Fuel System Z001138 1_2013 02 01 2 51 ...
Page 159: ...Fuel System 7 51 Z001138 1_2013 02 01 03 00 03 Unit injector ...
Page 190: ...Fuel System Z001138 1_2013 02 01 38 51 Schema Injection Timing Device ITD ...
Page 211: ...Cooling System 5 21 Z001138 1_2013 02 01 ...
Page 231: ...Electrical System Z001138 1_2013 02 01 4 47 ...
Page 235: ...Electrical System Z001138 1_2013 02 01 8 47 ...
Page 236: ...Electrical System 9 47 Z001138 1_2013 02 01 ...
Page 238: ...Electrical System 11 47 Z001138 1_2013 02 01 ...