TM 9-2320-279-34-3
M978 Tanker Maintenance Procedures Instructions (Cent)
122-17. V1 O BOTTOM LOAD VALVE REPAIR (CONT). I
(8)
(9)
(lo)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
Install socket (13) and preformed
packing (14) in shaft (15).
Install preformed packing (16)
and shaft (15) in valve body (17).
Install piston seal (18) and seal
retainer (19) in valve body (17).
Lubricate spring (20) and
piston (21) with oil and install in
valve bodv (17).
Ei!l
Install br;cket (22) and retaining 15
ring (23) on metering rod (24).
Lubricate spring (25) and nut
14
assembly (26) with oil.
Install spring (25) and metering
13
rod (24) in piston (21).
-.
Ii!!v20
/
19
2
18
. ~
I---J
TA1 90717
Valve is spring loaded. Spring must be compressed during assembly, then released slowly
to prevent injury.
Compress and hold piston (21) and install nut assembly (26) and bushing (27).
Install preformed packing (28) in
valve body (17).
Install preformed packing (29) in
sump plate (30).
Install sump plate (30) and elbow (3)
on valve body (17) with eight
lockwashers (31) and screws (32).
Apply pipe thread sealing compound
to two plugs (33) and install.
Install spring (34) to elbow (3) and
lever (9).
MATCHMAR
TA190718
l
22-86
