TM 1-1520-238-23
7-484
7.125.
SDC TOTAL PRESSURE SENSE LINE FILTER AND SURGE VALVE PRESSURE FILTER
REMOVAL/INSTALLATION – continued
NOTE
Packing with retainer comes in a set of
two packings. The black packing is
installed next to bolt. The packing with
the knurled edge is installed next to surge
valve.
c. Install housings (13) and (14) on surge valve
(15). Torque bolt (11) and bolt (12) to 135 INCH-
POUNDS.
(1) Lubricate new packings (16), (17), (18), and
(19). Use petrolatum (item 138, App F).
(2) Install bolt (12) through packing (19), housing
(14), and packing (18) on surge valve (15).
Torque bolt (12) to 135 INCH-POUNDS. Use
torque wrench.
(3) Install bolt (11) through packing (17), housing
(13), and packing (16) on surge valve (15).
(4) Temporarily install total pressure tube (1) on
elbow (4) and reducer (2) to aline housing
(13). Install nuts (3) and (5).
(5) Torque bolt (11) to 135 INCH-POUNDS. Use
torque wrench.
(6) Remove tube (1) from elbow (4) and reducer
(2). Remove nuts (3) and (5).
(7) Lockwire bolts (11) and (12). Use wire
(item 222, App F).
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M04-3650-6
19
12
17
11
2
16
3
4
5
1
18
14
15
13
