TM 55-6610-247-40
rear of case due to damaged or stripped threads may be
atmospheric pressure. Then apply a pressure to move
repaired by drilling out thread cavity and installing helicoil
long pointer once around dial (--1.000 feet). While
or reducer hushing. Size Will not exceed limits of
maintaining this pressure, submerge instrument in a
standard static fitting (1/8 inch IPT). All leak test
container of water to determine location of leak. Leak
tolerances must be maintained as outlined in paragraph
around flange is caused by a died out or damaged
310.
sealing gasket (15). Flange must be removed and
gasket replaced. Leak around knob stem indicates a
2-14. Painting Requirements.
dried out leather washer.
Paint in accordance with table 2-7.
c. Leak around static fitting connection on
Table 2-7. Painting Requirements
ITEM
PAINT TYPE AND
METHOD OF
NO. OF
NAME
SPECIFICATION
APPLICATION
COATS
NOTES
Case
MIL-E-5556
Spray
2
Paint outside surface only
Color 37038
Bezel
Fed. Spec. 595
Brush
1
Paint center top of bezel
Color 37875
Case and Bezel
IT-P-600
Spray
1
35,000 Ft. Paint outside
surface only
Dials
MIL-L-25142
Brush
1
Paint chipped surfaces
Pointers
Numbers
2-18
