TM 55-1520-240-23-6
7-349
MODULE SHUTOFF DIAPHRAGM REPLACEMENT
(Continued)
7-349
INSTALL SHUTOFF DIAPHRAGM
7.
Clean diaphragm (6), spring (7), and inner bore
of port (2). Use cloths (E120).
When installing packings and retainer,
make sure that they are installed on
top of retainer. See view A.
8.
Lubricate retainer (11) and packing (10) with
hydraulic fluid (E199). Wear gloves (E184.1).
9.
Install packing (10) and retainer (11) in inner
groove of port (2). Packing is installed on top of
retainer. See view A.
10.
Lubricate packings (8 and 9) with hydraulic fluid
(E199). Wear gloves (E184.1).
11.
Install packings (8 and 9) in inner bore of
diaphragm (6) as shown in view A.
12.
Position spring (7) on diaphragm (6) with large
end against diaphragm.
When installing diaphragm, spring
pressure must be overcome. Make
sure diaphragm is not cross-threaded.
Be careful not to damage packing or
retainer.
13.
Carefully install spring (7) and diaphragm (6) in
port (2). Use compressor (1) to install diaphragm.
14.
Use handle (3) and screw compressor (1) into
port (2) until compressor is fully seated. Remove
handle.
NOTE
Bushing is installed with flat side of
bushing against diaphragm. Make
sure the packing is properly seated
and not pinched.
15.
Install bushing (5) and retainer screw (4). Use
Allen wrench.
16.
Torque screw (4) to 30 to 35 inch-pounds.
17.
Remove compressor (1) from port (2). Use
handle (3).
7-1298
