TM 5-3810-306-20
PARK BRAKE CONTROL VALVE AND PRESSURE INDICATOR SWITCH REPLACEMENT
TOOLS: General mechanics tool kit: automotive (5180-00-177-7033)
SUPPLIES:
None
EQUIPMENT CONDITIONS: Wheels are chocked
Air system is purged. (Refer to page 11-2.)
Disconnect ground cable at shunt. (Refer to page 8-109.)
Side console front access panel removed. (Refer to page 8-21.)
REMOVAL:
1.
REMOVE PARK BRAKE CONTROL VALVE (1)
AND PRESSURE INDICATOR SWITCH (6).
a.
Tap out roll pin (3) securing knob (4) to valve
stem. Discard pin.
b.
Remove mounting nut (2) and free park brake
control valve (1) from side console.
c.
Tag and disconnect air line (7) from park brake
control valve (1). Tag and remove electrical
wires (5) from pressure indicator switch (6).
Remove air line (8) from tee (9). Plug air lines.
d.
Remove pressure indicator switch (6) from fitting
(9).
e.
Remove fittings (9, 10 and 11). Retain
for
installation or replace if damaged.
INSTALLATION:
1.
INSTALL PARK BRAKE CONTROL VALVE (1)
AND PRESSURE INDICATOR SWITCH (6).
a.
Install fittings (9, 10 and 11) on new control valve
(1).
b.
Install pressure indicator switch (6).
11-28