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SERVICE/PARKING BRAKE SYSTEM OPERATION | Up
TM-9-2320-280-20-1 Truck Utility Cargo/Troop 1-1/4 Ton 4x4 Manual | Next
SERVICE BRAKE SYSTEM OPERATION (Cont'd) |
TM 9-2320-280-20-1
1-28. SERVICE BRAKE SYSTEM OPERATION
The service brake system is identical for all models covered in this manual. It is an inboard-mounted, four-
wheel, disc brake, hydraulically-assisted system. Major components of the braking system are:
HYDRO-BOOST - Converts hydraulic power from the steering pump to mechanical power to the
master cylinder, providing power assist during braking.
MASTER CYLINDER/RESERVOIR - Stores brake fluid, and converts mechanical pedal pressure
to hydraulic pressure.
PROPORTIONING VALVE - Provides balanced front-to-rear braking and activates brake
warning lamp in case of brake system malfunction.
ACCUMULATOR - Stores hydraulic pressure for additional power-assisted braking in case of loss
of pressure in steering system.
BRAKE PEDAL - Provides operator control for stopping vehicle.
BRAKE LINKAGE - Directs brake pedal pressure to hydro-boost.
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