69
S 07
MAINTENANCE
HEAT EXCHANGER MAINTENANCE
WARNING!
Do not remove the heat exchanger cap (1) when the en-
gine is hot. Then loosen the cap slightly to release the
excess pressure before removing it completely.
Coolant draining.
• See chapter coolant replacement.
Coolant hoses removal
•
See chapter hoses & clamps replacement
Raw water hoses removal
•
See chapter hoses & clamps replacement
Heat Exchanger removal
Unscrew and remove the 3 bolts (1) and remove the heat
exchanger with its support.
WARNING!
Do not start the engine without coolant or the isolated
seawater circuit.
Heat Exchanger Dismantling
1.
Unscrew and remove the 8 screws (1).
2. Remove the inlet cover (2).
3. Remove the outlet cover (3).
4. Remove the 2 O-rings (4) and push the tube stack (5)
to take out of the heat exchanger body (6)
Heat Exchanger Core Cleaning.
1.
Clean the cooler core on the outside with paraffin
base engine detergent.
2. Remove any internal deposit using a round rod.
3. Replace the cooler corer if it is damaged.
Summary of Contents for Q2400 Series
Page 1: ...NANNI GENERATOR SET USER MANUAL DGBXXT090041 Q2400 Series...
Page 2: ......
Page 4: ...4 Q00 TRACKED CHANGES...
Page 8: ...8 S00 SUMMARY...
Page 32: ...32 S03 FLUIDS...
Page 38: ...30 S05 COMPONENTS...
Page 40: ...32 S05 COMPONENTS VIEW N 1 OF THE GENERATOR SET...
Page 41: ...33 S05 COMPONENTS VIEW N 2 OF THE GENERATOR SET...
Page 53: ...53 S 07 MAINTENANCE...
Page 76: ...76 S 07 MAINTENANCE ELECTRIC DIAGRAM 50Hz SINGLE PHASE...
Page 77: ...77 S 07 MAINTENANCE ELECTRIC DIAGRAM 60Hz SINGLE PHASE...
Page 78: ...78 S 07 MAINTENANCE...
Page 80: ...80 S08 AL TERNATOR...
Page 100: ...100 S08 AL TERNATOR...
Page 108: ...108 S11 TROUBLE SHOOTING...
Page 109: ......
Page 110: ......