TM-9-1200-215-34-P
AUTOMATIC FIRE CONTROL SYSTEM (AFCS)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
FEBRUARY 1999
TM-9-1200-215-34-P - Page 34 of 266
TM 9–1200–215–34&P
1–22
1–24.
INLET VALVE MAINTENANCE INSTRUCTIONS
DESCRIPTION
This task covers:
a.
Removal
b.
Installation
INITIAL SETUP
Tools:
Tool Kits, JTK–17LAL, TK–101/G, or TK–105/G
(items 34, 35, & 36, Appendix E)
Torque Wrench, 0–15 in.–lb (item 39, Appendix E)
7/16” x 1/4” Drive Deep Socket
(item 20, Appendix E)
Insertion and Extraction Valve Core Tool
(item 13, Appendix E)
Material/Parts:
Compound, Sealing (item 25, Appendix D)
Equipment Condition:
Unenergized LRU is on workbench.
Personnel Required:
One MOS 35Y
NOTE
This is the standard procedure to remove the inlet valve on all LRUs.
Check table 1–1 for
approximate location of inlet valve.
Figure 1–2 provides additional detail.
Table 1–1.
Inlet Valve Locations
LRU
Location
DU
Electronic Housing
VMS Modem
Electronic Housing
PCU
Electronic Housing
a.
REMOVAL
1.
Remove cap (1) from valve stem (2).
2.
Using valve core tool, remove valve core (3)
from valve stem (2).
3.
Remove valve stem (2) from electronic
housing (4).
b.
INSTALLATION
1.
Apply sealing compound to valve stem (2) pipe
threads.
Insert valve stem (2) into electronic
housing or bottom cover (4), as appropriate.
2.
Torque valve stem (2) to 10 + 1 in.–lb
(1.1 + 0.1 N
S
m).
3.
Install valve core (3) in valve stem (2) and
tighten until firmly seated.
4.
Install cap (1) on valve stem (2).
Torque cap
to 4.5 + 0.5 in.–lb (0.51 + 0.06 N
S
m).
Change 1
1
4
2
3
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