TM 55-2815-574-24
FIELD MAINTENANCE
ENGINE
TROUBLESHOOTING PROCEDURES - FRESH WATER COOLING SYSTEM PRESSURE TESTING
INITIAL SETUP:
Tools and Special Tools
Personnel Required
General mechanic's tool kit
Engineer 88L
(WP 0179, Table 1, Item 97)
Air filtering respirator (WP 0179, Table 1, Item 78)
Equipment Condition
Chemical gloves (WP 0179, Table 1, Item 40)
Engine cool to touch
Industrial goggles (WP 0179, Table 1, Item 42)
Test Kit, Radiator -R (WP 0179, Table 1, Item 92)
Utility apron (WP 0179, Table 1, Item 6)
TROUBLESHOOTING PROCEDURE
PRESSURE TEST FRESH WATER COOLING SYSTEM
SYMPTOM
No pressure in cooling system.
MALFUNCTION
Engine overheating or not warming up.
CORRECTIVE ACTION
WARNING
Oils and fluids are flammable and may cause irritation to the eyes or skin. Use in
well-ventilated areas and keep away from heat and open flame. Wear protective
goggles and clothing. In case oil or fluid comes in contact with:
Eyes, flush immediately with water.
Skin, wash with soap and water.
Failure to comply may result in personnel injury or death.
NOTE
This troubleshooting procedure is typical for both the port and starboard engines.
1.
Remove heat exchanger pressure cap (Figure 1, Item 1) from heat exchanger
(Figure 1, Item 2), by pressing down and rotating counterclockwise.
0024-1