TM 5-5420-202-20-4
FIXED FIRE EXTINGUISHER CONTROL VALVE REPLACEMENT (Sheet 8 of 14)
1.
Using adjustable wrench, install
plug (C) in housing (D).
Using fingers, push cable (E) through
2.
plug (C) and around sheave (F).
Lay cable (E) in groove around sheave
3.
(F) and lay in slot (G).
Extend cable (E) full length of slot (G)
4.
and no further.
Coat threads of two screws (H) with
5.
sealant.
Using 1/16 inch allen wrench, install two screws (H) in sheave (F).
6.
7.
Using spring scale, pull sheave (F) against cable (E) with about 150 pounds of force to
make sure cable (E) is secured by screws (H).
Place sheave (F) in housing (D).
8.
Wind cable (E) around sheave (F) until stop on bottom of sheave is behind peg in housing
9.
(D).
TA248667
Go on to Sheet 9
20-9