TM-9-2320-366-20-4 MTV Unit Maintenance Manual M1083 Series - Volume 4 Download
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TM 9-2320-366-20-4 11-9. FOOT CONTROL VALVE AND BRAKE FOOT PEDAL REPLACEMENT (CONT) e. Follow-On Maintenance. (1) Install instrument panel assembly (para 7-15). (2) Start engine (TM 9-2320-366-10-1). (3) Check around foot control valve and hoses for air leaks. (4) Shut down engine (TM 9-2320-366-10-1). (5) Open secondary air tank drain valve (TM 9-2320-366-10- 1). (6) Push in SYSTEM PARK control (TM 9-2320-366-10-1). NOTE • Audible alarm will sound during performance of steps (7) through (9). FRONT BRAKE light in lighted indicator display will illuminate and FRONT BRAKE AIR pressure gage will read "0" psi. • Complete steps (7) through (9) before air pressure builds up in secondary air tank. (7) Start engine (TM 9-2320-366-10-1). (8) Position main light switch to SERVICE DRIVE (TM 9- 2320-366-10-1). NOTE Rear brakes should lock up and brake lights should illuminate during step (9). (9) Set transmission to first gear, accelerate to approximately 5 mph, and apply maximum foot brake pedal. (10) Pull out SYSTEM PARK control (TM 9-2320-366-10-1). (11) Close secondary air tank drain valve (TM 9-2320-366-10- 1). (12) Run engine until audible alarm no longer sounds. (13) Shut down engine (TM 9-2320-366-10-1). End of Task. 11-56 Change 1