Vehicle Inspection Guide
Table 5
Interior Visual and Operational Checks (cont.)
Air Brake Check
Check the air brakes accordingly:
•
Install wheel chocks if necessary. Push in parking brake and start engine
•
Check the air compressor or governor cut-out pressure (approximately 120 psi (827 kPa)
•
Shut off engine and TURN KEY BACK ON
•
Without brake pedal applied, note air pressure drop for 1 minute (It should be less than 2 psi (14 kPa)
•
Depress and hold brake pedal making sure there is no more than a 3 psi (21 kPa) per minute pressure
drop.
•
Step on and off brake pedal and check for warning indicator and buzzer to come on at about 60 or 70 ± 6
psi (414 or 483 kPa)
Air Brake Check (Cont)
•
Step on and off brake and check to make sure the parking brake knobs pop out between 20 to 40 or 45
psi (138 to 310 kPa )
•
Restart engine, shift into a low gear, and gently pull against service and parking brakes separately to make
sure they will hold.
Hydraulic Brake Check
Pump the brake pedal 3 times. Then apply firm pressure to the pedal and hold for 5 seconds. The pedal
should not move, and the brake pressure indicator should not illuminate.
Accelerator Pedal
Check for smooth, non-binding pedal action.
Shift Selector
NOTE: Foot brake pedal must be pressed to shift out of the (P) Park position.
Check for proper functioning of the shift selector and linkage.
Parking Brake Check
NOTE: Foot brake pedal must be pressed to release the parking brake and to shift out of the (P) Park
position.
With foot on brake pedal, shift the transmission into a forward gear. Take your foot off the service brake pedal,
and allow the bus to idle forward. If the bus moves forward, the parking brake has malfunctioned. Stop the
bus with the service brake and have the vehicle serviced immediately.
19
Summary of Contents for CE Series
Page 4: ......
Page 11: ...Table of Contents Section 14 Index Index 215 vii...
Page 12: ...Table of Contents viii...
Page 52: ...Instrumentation Declination Zone Map 40...
Page 67: ...Driver Controls 55...
Page 68: ...Driver Controls 56...
Page 71: ...Driver Controls 59...
Page 144: ...Operation 132...
Page 151: ...Roadside Emergencies Body Fuse Circuit Breaker Panel 139...