TM 5-2330-325-14&P
Section VII. BRAKE SYSTEM MAINTENANCE
Paragraph
Page
Number
Paragraph Title
Number
General ......................................................................................................................... 4-49
Brakeshoe Replacement .............................................................................................. 4-50
Slack Adjuster Replacement ........................................................................................ 4-52
Brake Camshaft Replacement ..................................................................................... 4-56
Gladhand Replacement................................................................................................ 4-58
Spring Brake Control Valve Replacement ................................................................... 4-60
Electronic Control Unit (ECU) Operating Test ........................................................... 4-63
Electronic Control Unit (ECU) Replacement ................................................................ 4-66
ABS Wheel Sensor .................................................................................................... 4-68
Air Brake Chamber Replacement ................................................................................ 4-70
Front Reservoir Maintenance ...................................................................................... 4-72
Rear Reservoir Maintenance ....................................................................................... 4-74
Air Reservoir Serviceability Test .................................................................................. 4-76
Dump Valve Replacement ............................................................................................ 4-77
Air Brake Hose Replacement and Repair .................................................................... 4-79
Air Brake System Diagram ........................................................................................... 4-80
WARNING
Air under 100 psi (690 kPa) is used in the operation of the air brake system. Serious
injury or death can result if precautions are not taken to maintain adequate air
pressure.
a.
The following paragraphs cover procedures for testing, removal, and installation of brake shoe
assembly, brake air chamber assembly, relay valve, ration relay valve, air reservoir and air lines.
These paragraphs also cover cleaning, inspection and repair of air lines.
b.
The service brakes are straight air type with automatic break-away protection. When the Semitrailer
brake system is properly connected to the service brake system of the towing vehicle, the towing
vehicle brake pedal operates the brakes on both vehicles.