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 TM 55-1925-204-12
Table 3-1. Operator/Crew Preventive Maintenance Checks and Services - Continued
Tug Diesel Large Design 3006
B - Before
A - After
M - Monthly
D - During
B/A - Biannually
Q - Quarterly
Intervals
Item
Item To Be
Procedure
Equipment Will Be Reported
No.
BDA
M Q B/A
Inspected
Not ready/Available If:
and altitude gauge for pressure in
vessel heating system. Maintain
burner unit IAW LO55-1925-205-
12-1. Boiler electrodes should be
pulled periodically, cleaned, gap-
ped and reinstalled. Check Navy
manual for gap setting.
54
Ventilation system
Check all fans, blowers, filters,
Ventilation is impaired
screens, dampers, ducts and
endangering safety of
mechanical exhausts to ensure
crew.
that they are in good condition,
secure and in satisfactory work-
ing order. Lubricate motors IAW
LO55-1925-205-12-1. Check line
start and stop switches for proper
operation. Ensure ventilation
outlets in mess-deck, galley, living
spaces, and engine spaces are
functioning correctly; with adequate
discharge and no restrictions.
55
Fire extinguishers
Inspect for corroded nozzles/
Required fire extinguishers
damaged hoses. Ensure seal is
are not on board vessel.
intact. Check weight of portable
cylinders monthly. Replace cylinders
under prescribed weight. Nonportable
should be visually inspected for
proper hook-up and intact seals.
At cyclic drydock period the non-
portable CO2 cylinders will be
tested IAW ships repair specifications.
Ships, electrical
Check power panel, ships service
No power available at
56
system
lighting, general lighting, black-
switchboard.
out light circuit, and primary cir-
cuits for proper installation and
operation. Ensure fuses are ap-
plicable to end item application.
Inspect all electrical wiring to en-
sure that it is securely connected,
clean and undamaged. Check in-
sulation for cracks and chafing.
Ensure kick pipes, conduits, and
shielding are secure and in good
repair.
3-8.12 Change 1
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