TM 9-4310-397-14
4-44. RESTRICTION INDICATORS TESTING AND REPLACEMENT .
This task covers:
a.
Removal
b.
Testing
c.
Installation
INITIAL SETUP
Tools:
Equipment Conditions:
General Mechanics Tool Kit
Roadside and control panel doors open.
Item 1, Section III, Appendix B
a.
Removal.
(1)
Disconnect nylon hose (Figure 4-41, 1) and remove male adapter (2) from RESTRICTION INDICATOR (3)
and female adapter (4). Tag (item 18, section II, appendix E) hose.
Figure 441. Restriction Indicators
(2)
Remove RESTRICTION INDICATOR (3) and female adapter (4) from mounting plate (5).
(3)
Remove female adapter (4) from RESTRICTION INDICATOR (3).
(4)
Remove two bolts (6), hex nuts (7), and mounting plate (5).
b.
Testing.
(1)
Suck air from fitting end of RESTRICTION INDICATOR.
(2)
If RESTRICTION INDICATOR changes to red, the component is serviceable.
(3)
Press to reset RESTRICTION INDICATOR.
(4)
RESTRICTION INDICATOR should be green in color.
4-115
