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 2-238
TM 3-4230-209-30&P
2-53. LOW PRESSURE HEATING BOILER ASSEMBLY (CONT).
LOCATION/lTEM
ACTION
REMARKS
Low Pressure Heating
Boiler Assembly/
Pipe plug (12)
Wrap external threads of a 1/2-inch pipe plug (12) before screwing it into
Pipe elbow (13)
port (11.
Remove quick disconnect coupling half (10)
from 90 pipe elbow (13).
Continue filliing low pressure heating boiler
assembly (8) until water flows from 90 pipe
elbow (13).
Select a check valve (14) (with 1-inch pipe thread to 3/4-14 in NPT) from
Check valve (14)
the M5 test set. Remove the internal parts of the check valve (14) to make
a reducing bushing.
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