TM 9-6115-730-24
0068
WARNING
Cooling system operates at high temperature and pressure. Contact with high pressure steam
and/ or liquids can result in burns and scalding. Shut down generator set, and allow system to
cool before performing checks, services, and maintenance. Failure to comply can cause injury or
death to personnel.
Radiator weighs more than 140 pounds (64 kg) and requires a two-person lift. Lifting radiator can
cause back strain. Ensure proper lifting techniques are used when lifting radiator. Failure to
comply can cause injury to personnel.
CAUTION
All fittings and openings must be capped or plugged immediately after opening to prevent
contamination of the coolant system.
REMOVAL
1. Ensure generator set is fully stopped, ENGINE CONTROL switch is OFF/RESET, Battery Disconnect Switch is
OFF, and DEAD CRANK SWITCH is OFF before proceeding.
2. Open left front door and right front doors.
NOTE
Coolant system capacity is 42 quarts (39.7 liters).
3. Place suitable container under COOLANT DRAIN on front right side of TQG. Open drain valve (Figure 1,
Sheet 1, Item 1) on right side at rear of engine, and drain valve (Figure 1, Sheet 1, Item 2) on lower right front
of engine, and drain coolant. Save coolant for refilling system.
4. Remove sill from upper edge of left front door assembly (latch) opening.
5. Remove document box, located above right front door assembly (latch).
6. On right side of engine, remove hose clamp (Figure 1, Sheet 2, Item 3) and disconnect hose (Figure 1,
Sheet 2, Item 4) from barbed fitting (Figure 1, Sheet 2, Item 5). Remove barbed fitting (Figure 1, Sheet 2,
Item 5) from radiator (Figure 1, Sheet 1, Item 6).
7. Remove eight hose clamps (Figure 1, Sheet 1, Item 7), two bellows (Figure 1, Sheet 1, Item 8), and manifold
out tube (Figure 1, Sheet 1, Item 9) from right side of radiator (Figure 1, Sheet 1, Item 6).
8. Remove two hose clamps (Figure 1, Sheet 2, Item 10) and lower radiator hose (Figure 1, Sheet 2, Item 11).
9. Remove hose clamp (Figure 1, Sheet 1, Item 12) and disconnect coolant hose (Figure 1, Sheet 1, Item 13)
from female connector (Figure 1, Sheet 1, Item 14) on lower right side of radiator (Figure 1, Sheet 1, Item 6).
10. Remove female connector (Figure 1, Sheet 1, Item 14), 90 degree elbow (Figure 1, Sheet 1, Item 15), drain
valve (Figure 1, Sheet 1, Item 2), nipple (Figure 1, Sheet 1, Item 16), and 90 degree elbow (Figure 1, Sheet 1,
Item 17) from radiator (Figure 1, Sheet 1, Item 6).
0068-2
