TM 9-6115-729-24
0066
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 door.
NOTE
Coolant system capacity is 38 quarts (34.5 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 front right side bottom of
engine, and drain coolant. Save coolant for refilling system.
4. On right side, remove two clamps (Figure 1, Sheet 2, Item 3) and hose (Figure 1, Sheet 1, Item 4) from
radiator filler neck (Figure 1, Sheet 2, Item 5) and from coolant recovery system (under surge tank) (Figure 1,
Sheet 2, Item 6).
5. At lower right rear of engine, remove two clamps (Figure 1, Sheet 1, Item 7) and hose (Figure 1, Sheet 1,
Item 8) from coolant recovery system (Figure 1, Sheet 2, Item 6) and from drain tee (Figure 1, Sheet 1, Item 9)
on lower right rear of engine.
6. Remove hose clamp (Figure 1, Sheet 1, Item 10) and hose clamp (Figure 1, Sheet 1, Item 11) and remove
hose (Figure 1, Sheet 1, Item 12) from drain tee (Figure 1, Sheet 1, Item 9) and drain valve (Figure 1, Sheet 1,
Item 1), and remove drain valve (Figure 1, Sheet 1, Item 1), reducer bushing (Figure 1, Sheet 1, Item 13), tee
(Figure 1, Sheet 1, Item 14), pipe plug (Figure 1, Sheet 1, Item 15), nipple (Figure 1, Sheet 1, Item 16), and
adapter fitting (Figure 1, Sheet 1, Item 17).
7. Remove two hose clamps (Figure 1, Sheet 1, Item 7) and (Figure 1, Sheet 1, Item 18), and remove hose
(Figure 1, Sheet 1, Item 19) and drain tee (Figure 1, Sheet 1, Item 9).
8. Remove hose clamp (Figure 1, Sheet 1, Item 20) and hose (Figure 1, Sheet 1, Item 21).
9. Remove fitting (Figure 1, Sheet 1, Item 22), two hose clamps (Figure 1, Sheet 1, Item 23), hose (Figure 1,
Sheet 1, Item 24), fitting (Figure 1, Sheet 1, Item 25), drain valve (Figure 1, Sheet 1, Item 2), nipple (Figure 1,
Sheet 1, Item 26), and elbow (Figure 1, Sheet 1, Item 27).
10. At left side of engine, remove locknut (Figure 1, Sheet 2, Item 28), washer (Figure 1, Sheet 2, Item 29), screw
(Figure 1, Sheet 2, Item 30), clamp (Figure 1, Sheet 2, Item 31), four hose clamps (Figure 1, Sheet 2, Item 33),
upper radiator hose (Figure 1, Sheet 2, Item 32), radiator hose (Figure 1, Sheet 2, Item 34), and radiator hose
(Figure 1, Sheet 2, Item 35).
11. Remove two hose clamps (Figure 1, Sheet 2, Item 36) and remove hose (Figure 1, Sheet 2, Item 37) from
surge tank and engine. Remove fitting (Figure 1, Sheet 2, Item 38).
0066-2
