TM 5-3805-291-23-1
THEORY OF OPERATION - CONTINUED
0003 00
BRAKE AND HYDRAULIC FAN SYSTEM - CONTINUED
(1)
Parking brake is located in drive line on
front end of machine just ahead of artic-
ulated hitch. When brake system oil
pressure drops below a given level, park-
ing brake actuator engages parking
brake. Parking brake indicator light is
located on dash panel display and will
illuminate when parking brake is
engaged (TM 5-3805-291-10). Parking
brake indicator light should flash during
engine start-up.
427-C0472
(2)
Parking brake can be engaged manually by pushing top of parking brake switch. Parking brake switch is
located on dashboard to left of steering column (TM 5-3805-291-10).
(3)
A normally closed pressure switch is located on parking brake control valve. When parking brake engages,
pressure switch sends a signal to transmission ECM. When parking brake engages, pressure switch acti-
vates parking brake indicator light.
(4)
When parking brake engages, transmission will shift into NEUTRAL if transmission is in first speed for-
ward or reverse.
0003 00-96
