ELECTRICAL SYSTEMS INOPERATIVE (Contd).

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STEERING SYSTEM OUT OF ALIGNMENT

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

INDIVIDUAL LIGHTS INOPERATIVE

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

26. ELECTRICAL SYSTEMS INOPERATIVE (Contd).

Step 3. Check battery connections and cables (refer to paragraph 3-90).

a. Clean and tighten connections (refer to paragraph 3-90).

b. Replace defective cables (refer to paragraph 3-90).

Step 4. Test batteries (refer to paragraph 3-33).

a. Replace defective battery (refer to paragraph 3-39).

Step 5. Check master battery switch.

a. Replace defective master battery switch (refer to paragraph 3-100).

27. ONE OR BOTH WARNING LIGHTS DO NOT COME (Master Switch ON).

Step 1. Check engine circuit switch.

a. Turn engine circuit switch ON.

Step 2. Perform engine circuit fuse test (refer to paragraph 3-117).

a. Replace defective fuse.

Step 3. Check batteries

a. Replace defective batteries (refer to paragraph 3-99).

Step 4. Check battery cables.

a. Replace or repair damaged cables. (refer to paragraph 3-90).

ENGINE CIRCUIT SWITCH

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