FIGURE 4-63. Piston Coolin2 Nozzles.

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FIGURE 4-62. Checking Liner Bore

TM-55-1905-223-24-5 Bowthruster Engine for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

FIGURE 4-64. Camshaft Bushing/Bearing Removal Sequence.

TM 55-1905-223-24-5

FIGURE 4-63.

Piston Coolin2 Nozzles.

(8) Lubricate the new preformed packing with vegetable oil.

(9) Install the preformed packing in the groove of the piston cooling nozzle.

CAUTION

Be sure that the oil passage opening in the piston cooling

nozzle is pointing up toward the piston.

(10) Install the nozzles in the cylinder block.

(11) Install the self-locking screws.

(a) Tighten the capscrews to 140 in-lb (15.8 N ) torque.

(b) Tighten the slotted head screws to 95 in-lb (10.7 N ) torque.

d. Replace the camshaft bushings and bearing (13, 14, 12, FIGURE 4-55) as follows:

NOTE

The bushings and bearing must be removed in the order shown in

FIGURE 4-64 .

(1) Using the camshaft bushing driver kit and driver, remove the No. 1 bushing first and then the

remaining six (6) bushings in order from front to rear.

4-108