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 TM 55-1905-220-14-9
4-69. VENT AND SOUNDINGS - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARK
Test Equipment
References
NONE
NONE
Equipment
Special Tools
Condition
Condition Description
NONE
NONE
Material/Parts
Special Environmental Conditions
NONE
NONE
Personnel Required
General Safety Instructions
1
NONE
LOCATION
ITEM
ACTION
REMARK
INSPECTION
1. Vent and
a. Vents
Inspect for breaks,
sounding
cracks, bends, and
tubes
signs of leaking air.
b. Sounding
Inspect for breaks,
tubes
cracks, dents, and
leaks.
c.
Vent valves
Inspect for proper
operation.
REPAIR
2. Vents
a. Ball vent
Replace.
If necessary.
valves (1)
b. Inverted
Replace.
If necessary.
check valves
(2)
3. Sounding
Tapes (3)
Replace.
If necessary.
tapes
4-1462
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