12.1 Air System and Brakes – 12 Common Pneumatics
Maintenance Manual Ottawa T2 4x2
•
Reservoirs (DOT/EPA: primary, front and rear)
•
Stoplight Switch
•
Tractor Protection Valve
Brakes — Air System Diagnosis
Observation
Cause
Action
Frequent air dryer purging (cycling)
Excessive system leakage
Inspect system connections and
valves. Repair or replace as need-
ed.
Defective internal check valve
Test. Replace as needed.
Defective governor
Test. Adjust or replace as needed.
Purge valve leaks
Test. Replace as needed.
Compressor unloader leaks
Slight leakage permitted. Uncover
inlet cavity and inspect piston.
Repair or replace unloader as
needed.
Summary of Contents for Ottawa t2
Page 1: ......
Page 47: ...38 0 8 Electrical Instruments 0 Machine Complete Maintenance Manual Ottawa T2 4x2 ...
Page 53: ...44 1 11 Start Stop 1 Engine Maintenance Manual Ottawa T2 4x2 ...
Page 55: ...46 2 Transmission Maintenance Manual Ottawa T2 4x2 ...
Page 57: ...48 3 Driveline Axle Maintenance Manual Ottawa T2 4x2 ...
Page 73: ...64 5 4 Diagnosis Hydrostatic Steering 5 Steering Maintenance Manual Ottawa T2 4x2 ...
Page 81: ...72 7 11 Diagnosis Boom 7 Load Handling Maintenance Manual Ottawa T2 4x2 ...
Page 83: ...74 8 Control System Maintenance Manual Ottawa T2 4x2 ...
Page 145: ...136 11 2 Safety 11 Common Electric Maintenance Manual Ottawa T2 4x2 Chassis Power Board ...
Page 153: ...144 12 5 Air Dryer 12 Common Pneumatics Maintenance Manual Ottawa T2 4x2 ...
Page 155: ...146 D Error Codes Maintenance Manual Ottawa T2 4x2 ...
Page 261: ...252 0 4 Fastener Torque Values F Technical Data Maintenance Manual Ottawa T2 4x2 ...