TM 55-1520-240-23-6
7-268.1
ASSEMBLE 145HS775 RAMP CONTROL VALVE (AVIM)
(Continued)
7-268.1
35.
Lubricate four springs (60), packings (61),
backup rings (62), and gland seals (63) with
hydraulic fluid (E199).
36.
Install four packings (61) and backup rings (62)
in seats (64) of gland seal ports (65). Packings
shall be on shear seal (1) side of backup ring.
37.
Install springs (60) and gland seals (63) in valve
body (4) wet with hydraulic fluid (E199). Torque
gland seals 50 to 60 inch-pounds.
38.
Install lockwire across four gland seals (63). Use
lockwire (E229).
Do not pull on solenoid valves
with wires installed, or damage to
solenoids will occur.
NOTE
Do not disconnect solenoid valve
wires from connector if only seals are
to be replaced. Proceed to step 44 if
a solenoid valve is being replaced.
39.
Lubricate T rings (66, 67, and 68), poppet (69) of
solenoid valve (70), locking ring (71), and inside
of valve body (4) with hydraulic fluid (E199).
40.
Install T rings (66, 67, and 68) in seats of poppet
(69).
41.
Install solenoid valve (70). Carefully feed extra
wires into passage (72) of valve body (4) and
make sure pin (73) of solenoid valve properly
seats in valve body.
42.
Install locking ring (71) lubricated with hydraulic
fluid (E199). Torque locking ring 45 to 55
inch-pounds.
43.
Lockwire locking ring (71) to valve body (4). Use
lockwire (E229).
7-991
