Table 4-5. Lube Oil Transfer Hand Pump- - Troubleshooting.

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Table 4-5. Lube Oil Transfer Hand Pump- - Troubleshooting.

TM-55-1905-220-14-8 Landing Craft Utility LCU 1671-1679 NSN 1905-01-009-1056 Manual

Table 4-6. Air Conditioner Abnormal Operating Pressures/Temperatures - Troubleshooting.

TM 55-1905-220-14-8

4-5. GENERAL (Continued).

Table 4-5. Lube Oil Transfer Hand Pump - Troubleshooting (Continued).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

3. Pump is excessively noisy and vibrates in operation; turns hard or binds.

Step 1. Worn or damaged vanes.

Disassemble and inspect vanes. Replace if necessary.

Step 2. Damaged vane springs.

Replace faulty vane springs.

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