BOAT VIBRATION FELT WHILE UNDER WAY

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WINDSHIELD WIPERS FAIL TO OPERATE

TM-5-1940-277-20 Boat Bridge Erection Twin Jet Aluminum Hull MODEL USCSBMK1 (1940-01-105-5728) MODEL USCSBMK2 (1940-01-218-9165) Manual

ENGINE FAILS TO STOP WHEN SHUT OFF

TM 5-1940-277-20

TM 1940-20/2

Section IV. TROUBLESHOOTING (Continued)

MK1 and MK2 w/SABRE or CUMMINS

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

36. HAND BILGE PUMP DOES NOT DISCHARGE WATER (MK1 ONLY).

Step 1. Check hand bilge pump assembly.

a. Repair hand bilge pump assembly (refer to paragraph 3-147).

b. Replace defective hand bilge pump assembly (refer to paragraph 3-146).

37. BOAT VIBRATION FELT WHILE UNDER WAY.

NOTE

Boat must be out of water on cradleor on hardstand to inspect

hydrojet unit anode.

Step 1. Inspect hydrojet unit anode.

a. Replace defective anode (refer to paragraph 3-139).

Step 2. Check transmission oil level.

a. Fill to proper level (refer to LO 5-1940-277-12-1).

Step 3. Inspect drive shaft couplings (refer to paragraph 3-141).

a. Replace defective drive shaft coupling (refer to paragraph 3-141).

Step 4. Check engine mounting bolt torques.

a. Torque to 3035 ft-lbs.

Change 2

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