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 TM 5-1940-277-10
TM 1940-10/1
PREVENTIVE MAINTENANCE CHECKS AND SERVICES
B - Before Operation
D - During Operation
A - After Operation
W - Weekly
INTERVAL
ITEM
EQUIPMENT IS NOT
ITEM TO BE INSPECTED PROCEDURE
NO.
READY/AVAILABLE IF
BDAW
If oil in trap, equipment is not ready.
WARNING
When any hatch cover is open, be sure that it is secured. Injury
to personnel may result.
14
One or more batteries
Batteries. Turn master switch (18) ON by turning clockwise until it
are damaged, corroded,
stops. Turn engine circuit switch (19) On. Low oil pressure (20),
or missing. Electrolyte
alternator warning lights (21) and engine audible alarms (22)
level is low. Battery
come on. Battery condition voltmeter (23) will indicate 25.4 vdc
cables are damaged,
for fully charged battery. A reading below 24 vdc indicates a
loose, or missing.
discharged battery. Check batteries for low electrolyte level,
corrosion, and damage. Check battery cables for damage and
loose connections. Report problems to unit maintenance.
15
Engine audible alarm
Engine Audible Alarm and Alarm Mute Switch. Turn master
does not sound. alarm
switch (18) ON by turning clockwise until it stops. Turn engine
mute switch does not turn
circuit switch (19) ON. Engine audible alarm (22) should come
off audible alarm.
on. turn alarm mute switch (24) OFF. Audible alarm should go off.
MK2 W/Cummins - alarm reset (24) will deactivate audible alarm
for 90 seconds when pressed. The audible alarm will come back
on after 90 seconds if the oil indicator light (20) is on.
16
Hour Meters. Be sure hour meters (25) are operational. Report
broke meter to unit maintenance.
WARNING
Hour meters do not
function.
Diesel fuel is flammable. Do not allow smoking or any open flame
near the boat when you're refueling. Wipe up spilled fuel.
Change 3
2-21
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