TM 55-1520-240-23-10
13-7
TEST HEATER FOR AIR LEAKS (AVIM)
13-7
INITIAL SETUP
Applicable Configurations:
All
Tools:
Mercury Manometer 30PGTM, 30 Inch
Source of Low Pressure Compressed Air
Materials:
None
Personnel Required:
Medium Helicopter Repairer
Equipment Condition:
Off Helicopter Task
1.
Connect mercury manometer (1) in parallel to
compressed air source (2).
2.
Connect air source (2) to heater drain fitting (3).
3.
Plug all other openings (4) in heater (5).
4.
Adjust air source (2) to pressure of 12 inches
of mercury.
5.
Shut off air source (2).
6.
Read mercury manometer (1). Pressure shall
not drop 1.0 inch within 90 seconds.
7.
Release pressure and disconnect air source (2)
from heater drain filling (3).
FOLLOW-ON MAINTENANCE:
None
END OF TASK
13-45
