4.9 Diagnosis (Mechanical) – 4 Brakes
Maintenance Manual Ottawa T2 4x2
4.9 Diagnosis
(Mechanical)
page
–
Brakes
Components
•
Brake Drums
•
Brake Shoes
Brakes — Mechanical Diagnosis
Observation
Cause
Action
Pulls to one side
Brakes out of adjustment
Adjust slack adjusters.
Poor front end alignment
Inspect and repair as needed.
Unequal tire pressure or tread
Inspect. Repair or replace as need-
ed.
Uneven vehicle loading
Inspect. Redistribute load as need-
ed.
Loose front wheel bearings
Inspect. Repair or replace as need-
ed.
Insufficient braking power
Low air system pressure
Inspect for leaks. Repair or replace
as necessary.
Poor adjustment, poor lubrication or
worn brake linings
Inspect. Adjust, lubricate and repair
as needed.
Defective components (e.g., slack
adjusters, push rods, cams)
Inspect. Repair or replace as need-
ed.
Air line(s) restricted
Inspect. Repair or replace as need-
ed.
Slow application
Poor adjustment or poor lubrication
Inspect. Adjust or lubricate as
needed.
Air line(s) restricted
Inspect. Repair or replace as need-
ed.
Treadle valve leaking
Inspect. Repair or replace as need-
ed.
Brake chamber leaking
Inspect. Repair or replace as need-
ed.
Spring brake chamber leaking
Inspect. Repair or replace as need-
ed.
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 ...