Table 5-3. Fuel System-Injector-Insufficient Injector Holding Time Troubleshooting.

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Table 5-2. Fuel System-Injector-Low or High Valve Opening Pressure Troubleshooting.

TM-55-1905-219-14-10 Landng Craft Utility LCU 1667 - 1670 (1905-00-168-5764) Manual

Table 5-4. Anchor Winch-Slack Puller Fluid Motors Troubleshooting.

TM 55-1905-219-14-10

Table 5-3. Fuel System-Injector-Insufficient

Injector Holding Time Troubleshooting.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. Insufficient injector holding time troubleshooting.

Step 1.

Poor bushing to body fit.

Lap the injector body.

Step 2.

Injector nut not tightened to specified torque.

Tighten the nut to a 75-85 lb-ft torque. Do not exceed the specified torque.

Step 3.

Cracked spray tip.

Replace the needle valve and spray tip assembly.

Step 4.

Worn or eroded needle valve.

Replace the needle valve and spray tip assembly.

Step 5.

Worn or eroded needle valve seat in spray tip.

Replace the needle valve and spray tip assembly.

Step 6.

Worn or broken valve spring.

Replace the valve spring.

Step 7.

Worn or damaged valve spring seat.

Replace the valve spring seat.

Step 8.

Defective seal ring.

Replace the seal ring.

Step 9.

Body plug leaks.

Install new body plugs.

Step 10.

Filter gaskets leak.

Replace the filter cap gaskets and tighten the filter caps to 65-75 lb-ft torque.

5-5