69
S 07
MAINTENANCE
HEAT EXCHANGER MAINTENANCE
DANGER!
Do not remove the heat exchanger cap (1) when the en-
gine is hot. Then loosen the cap slightly to release excess
pressure before removing it completely.
Coolant drain.
•
See coolant replacement section.
Coolant hoses removal
•
See chapter on replacing hoses and clamps
Raw water hoses removal
•
See chapter on replacing hoses and clamps
Heat exchanger removal
• Unscrew and remove the 2 nuts (1) and remove
the heat exchanger (2) with the two RSGU collars.
DANGER!
Do not start the engine without coolant or without the
seawater system isolated.
Cleaning the heat exchanger core.
1.
Clean the cooler core on the coolant side with a par
-
affin-based engine detergent.
2. Remove any internal deposits on the raw water side
with a round brush.
3. Replace cooler core if damaged.
CAUTION!
Do not use caustic soda as it may damage the core.
Heat exchanger installation
1.
Check the condition of the two RSGU clamps (replace
them if necessary). Install them before mounting the
heat exchanger.
2.
Install the heat exchanger (2) on the two RSGU collars
using the 2 nuts (1) with their 2 GROWER washers.
3. Tighten the nuts.
Coolant Hose Installation
•
See chapter on replacing hoses and clamps
Installation of raw water hoses
•
See chapter on replacing hoses and clamps
Filling the coolant system.
Summary of Contents for Q1100 Series
Page 1: ...NANNI GENERATOR SET USER MANUAL DGBXXT090048 Q1100 Series...
Page 2: ......
Page 4: ...4 Q00 TRACKED CHANGES...
Page 8: ...8 S00 SUMMARY...
Page 32: ...32 S03 FLUIDS...
Page 38: ...38 S05 COMPOSANTS...
Page 40: ...40 S05 COMPOSANTS VIEW N 1 OF THE GENERATOR SET...
Page 41: ...41 S05 COMPOSANTS VIEW N 2 OF THE GENERATOR SET...
Page 52: ...52 S 07 MAINTENANCE Battery voltage 72 Battery specific gravity 72...
Page 53: ...53 S 07 MAINTENANCE...
Page 74: ...74 S 07 MAINTENANCE...
Page 76: ...76 S08 AL TERNATOR...
Page 88: ......
Page 96: ...96 S11 TROUBLE SHOOTING...
Page 97: ......
Page 98: ......