TM 9-6115-729-24
0073
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 right front door.
3. Note routing of alternator belt (Figure 1, Item 1).
WARNING
Fan has sharp blades. Use caution and wear gloves when removing or installing belts. Failure to
comply can cause injury to personnel.
4. Place wrench on tensioner pulley (Figure 1, Item 2) and use to rotate tensioner pulley (Figure 1, Item 2)
clockwise (CW) sufficiently to relieve tension on alternator belt (Figure 1, Item 1) and slip belt off alternator
pulley (Figure 1, Item 3). Allow tensioner pulley (Figure 1, Item 2) to rotate slowly back into place.
5. Carefully remove alternator belt (Figure 1, Item 1) off idler (Figure 1, Item 4), pulley (Figure 1, Item 5),
crankshaft pulley (Figure 1, Item 6), tensioner pulley (Figure 1, Item 2), and idler (Figure 1, Item 7).
6. Carefully thread alternator belt (Figure 1, Item 1) over fan blades and remove belt.
7. Loosen bolt (Figure 1, Item 8) and slot bolt (Figure 1, Item 9). Push idler bracket (Figure 1, Item 10) toward left
side of engine to relax tension on water pump belt (Figure 1, Item 11).
8. Carefully remove water pump belt (Figure 1, Item 11) from idler pulley (Figure 1, Item 12), water pump pulley
(Figure 1, Item 13), and crankshaft pulley (Figure 1, Item 6).
9. Carefully thread water pump belt over fan blades and remove belt.
END OF TASK
INSTALLATION
WARNING
Fan has sharp blades. Use caution and wear gloves when removing or installing belts. Failure to
comply can cause injury to personnel.
1. Carefully thread water pump belt (Figure 1, Item 11) over fan blades, then onto crankshaft pulley (Figure 1,
Item 6), water pump pulley (Figure 1, Item 13), and idler pulley (Figure 1, Item 12).
2. Use breaker bar on idler bracket (Figure 1, Item 10) to tighten water pump belt (Figure 1, Item 11) and tighten
slot bolt (Figure 1, Item 9) and bolt (Figure 1, Item 8).
0073-2
