TM 55-1930-209-14&P-16
Table C-1. Preventive Maintenance Checks and Services for Ventilation, Heating and
Air Conditioning System (Continued)
B - Before
D - Daily
Q - Quarterly
D - During
W - Weekly
S - Semiannually
A - After
M - Monthly
A - Annually
PROCEDURES
INTERVAL
CHECK FOR AND HAVE
EQUIPMENT
ITEM
ITEM TO BE
REPAIRED OR ADJUSTED
IS NOT READY/
NO.
B
D
A
D
W
M
Q
S
A
INSPECTED
AS NECESSARY
AVAILABLE IF
l
d. Listen for and check any fan or
motor which indicates a motor overload
condition or unusual vibraton which could
result In or be caused by loose mount-
qings, bad bearings, broken impeller
blades, or a broken housing Shutdown
and notify shift leader for repair or
replacement
l
e Visually check deckhouse roof fans for
corrosion or damage. Repair as necessary
l
l
f.
Check all fans and motors for rust and
corrosion Remove with wire brush and
paint as necessary in accordance with
TB 43-0144 Do not paint threads or labels
VOIDS
VENTILATION
SYSTEM
NOTE
If the voids ventilation system equipment
fails to operate, troubleshoot according to
TM 55-1930-209-14&P-1 6. Report deficien-
cies and failures to the shift leader or
bargemaster. Use proper forms to describe
maintenance or repair problems. Keep ven-
tilation, heating, and air conditioning sys-
tem operations and PMCS logs current.
1
l
Hatches
a
Make sure hatch covers that are In open
position are secured with cotter pins and
cotter keys
l
b Check for damage to watertight hatches
Hatches are
and light-proof louvers. Repair as neces- damaged or
sary
leak
l
c. Check for rust, corrosion, and worn or
chipped paint. Remove by wire brushing,
chipping or scraping Immediately paint
cleaned area with zinc chromate paint
and finish to match surrounding area in
accordance with TB 430144
2
l
l
Air Ducts
WARNING
Always make sure that electrical power Is
OFF before performing any maintenance on
electrical systems. Redtag appropriate
switches and circuit breakers with:
"WARNING - DO NOT ACTIVATE. REPAIRS
BEING MADE." Observe all safety precau-
tions Iisted at the beginning of this manual.
C-5
