TM 1-1520-238-23
3-254
3.63.
BRAKE CONTROL VALVES INTERNAL LEAKAGE REPAIR AND TEST (AVIM) – continued
b. Install piston (6) in valve (2).
(1) Lubricate valve (2) bore. Use hydraulic fluid
(item 93, App F).
(2) Install piston (6) in valve (2).
c. Install spring (5) over piston (6).
d. Install new packing (4) on cap (1).
(1) Lubricate new packing (4). Use hydraulic fluid
(item 93, App F).
(2) Install packing (4) on cap (1).
e. Install cap (1) on valve (2). Torque screws (3) to
21 INCH-POUNDS.
(1) Push in on cap (1) and aline with valve (2)
holes.
(2) Install four screws (3) in valve (2). Torque
screws (3) to 21 INCH-POUNDS. Use torque
wrench.
f. Install bleeder valve (12) in valve (2).
(1) Install bleeder valve (12) in valve (2).
(2) Install washer (14) and screw (13) in bleeder
valve (12).
g. Inspect (QA).
3.63.8. Test
NOTE
Hydraulic fluid shall be from 70 to 110 F
(21 to 43 C).
a. Install brake control valve to hydraulic test
stand and perform test (Table III). Use hydraulic
fluid (item 93, App F).
GO TO NEXT PAGE
M04-2949-7
3
1
4
5
2
6
2
13
14
12
M04-2949-8
VENT
M04-2949-9
BLEED
VALVE
CYL 2
VALVE
CYL 1
VENT
VENT
LEGEND
FLOWMETER
PRESSURE GAGE
SHUTOFF VALVE
HYDRAULIC
PRESSURE
SOURCE
