TM 5-3810-288-12
NOTES:'
1.
SET TO CLOSE AT 75 PSI.
LEVER TO "RELEASE" POSITION.
2.
VAI VE (25) SHOWN IN "REL EASE" POSITION.
3. VALVE (25) HAS A COVER TO PREVENT
OPERATE VALVE AS FOLLOWS:
ACCIDENTAL ACTUATION. OPERATE THIS
A.
NORMAL SYSTEM PRESSURE - PLACE LEVER
PARK ABORT CONTROL VALVE AS FOLLOWS:
IN "PARK". WHEN LOW PRESSURE SIGNAL
A. RELEASE ALL BRAKES.
COMES ON, DO NOT MOVE LEVER.
B. CHECK GAUGE (34) PRESSURE. IT MUST BE
B.
IF LOW PRESSURE SIGNAL IS ON BEFORE
75 PSI MINIMUM.
PARKING, DO NOT PLACE LEVER IN "PARK"
C. PUSH VALVE (25) BUTTON DOWN FIRMLY
PLACE LEVER IN "EMERGENCY".
AND HOLD DEPRESSED FOR ONE MINUTE.
C.
TO RELEASE PARKING BRAKES OR RECHARGE
THE VALVE AUTOMATICALLY RESETS WHEN
SYSTEM, PLACE LEVER IN "EMERGENCY".
RELEASED.
CHARGE SYSTEM TO 100 PSI. THEN MOVE
ME 3810-288-12/5-4
Figure 5-4. Air break system diagram.
5-5
