ENGINE AUDIBLE ALARMS COME ON (NORMAL OPERATION)

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MK2 W/ SABRE 5.95 LITER

TM-5-1940-277-10 Boat Bridge Erection Twin Jet Aluminum Hull Model USCSBMK 1(1940-01-105-5728) MODEL USCSBMK 2 (1940-01-218-9165) Manual

Section III. MAINTENANCE PROCEDURES

TM 5-1940-277-10

TM 1940-10/1

Table 3-1. Troubleshooting - Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ENGINE AUDIBLE ALARMS COME ON (NORMAL OPERATION)

Step 1. Turn OFF alarm mute switch (1) to turn off audible alarms.

Step 2. Check instrument panel low oil pressure warning lights (2) and high water temperature warning lights (3)

for appropriate engine to determine malfunction. Read appropriate gage. Oil pressure gage (4) should

be above 20 psi (1. 5 Kp/cm2). Water temperature gage (5) should be below 194 (90 ).

a. If problem is high water temperature, see Malfunction No. 4.

b. If problem is low oil pressure, see Malfunction No. 6.

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