
table o f contents
ROUTINE OPERATION / 83
Routine Operation / 83
Maneuvering Safety / 83
Prior to Starting the Engine / 84
Starting the Engine / 84
High Idle Function / 85
Engine Cooling System / 86
Coolant Types / 86
Coolant Testing and Replacement / 87
Service Brakes / 89
About Hydraulic Brakes / 89
Parking Brake (With Hydraulic Brakes) / 90
Parking Brake (Hand Operated) / 90
About Air Brakes / 91
Parking Brakes (With Air Brakes) / 91
Parking / 92
Allison Automatic Transmissions / 93
Allison Model 2000 Series Transmission / 93
Allison 2000 Series Transmission Gear Selection / 94
Allison Model 3000 Series Transmission / 95
Allison Model 3000 Series Transmission Gear Selection / 96
Range Inhibit Feature / 97
Allison Automatic Transmission Driving Tips / 97
Transmission Indicator Lights / 99
Transmission Service Prognostics / 100
2000 Series Product / 100
3000 Series Product / 101
Gen 4 Electronic Controls (early 2014) / 101
Gen 5 Electronic Controls / 101
Wheel Differential Lock / 102
Engaged Position (Locked) / 102
Disengaged Position (Unlocked) / 102
Important To Remember / 103
Exhaust System / 104
DPF Regeneration In Blue Bird Buses / 105
Aftertreatment Terms / 105
Levels of Notification / 106
High Exhaust Temperature Notification / 106
Level 1 Regeneration Notification: DPF Indicator Appears / 107
Level 2 Notification: DPF Indicator Blinks / 107
Level 3 Notification: Check Engine Indicator Appears / 108
Level 4 Notification: Stop Engine Indicator Appears / 108
Stationary Regeneration Precautions / 109
SCR System in Blue Bird Buses / 110
DEF Levels of Priority Notification / 112
ENROUTE EMERGENCIES / 117
Enroute Emergencies / 117
Using Triangular Hazard Reflectors / 117
Using Booster Cables / 118
Starting Problems / 119
Jacking and Towing / 120
Jack Points / 120
Towing / 120
Caging the Park Brakes / 121
Air Tank Schrader Valve / 122
CARE & MAINTENANCE / 123
Seat Belt Inspection And Maintenance / 123
Seat Inspection And Maintenance / 123
Driver’s Seat Lubrication / 123
Seat Care and Cleaning / 123
Seat Cushion Removal and Installation—DOT Seats & Seat
Belt Seats / 124
Track Mounted Passenger Seats / 124
Doran Warning Light Monitor / 126
Troubleshooting / 126
Doran Calibration (Universal Monitor Only) / 128
Circuit Breakers & Fuses / 129
Accessories and Added Components / 129
Hazard Rating (NFPA/HMIS) / 130
Rating Scale / 130
Keeping Your Bus Looking New / 130
Wax / 131
Bus Downtime Treatment / 131
Powertrain and Chassis Cleaning / 133
Windshield Washer & Wiper / 134
Wiper Assembly Replacement / 134
Scheduled Maintenance / 134
Fluids & Filters / 135
Maintenance Task Schedule / 136
Emission Control Device EPA Compliancy / 151
Oil Drain Intervals (ISL) / 154
Oil Drain Intervals (ISB) / 155
Aftertreatment Diesel Exhaust Fluid Dosing Unit Filter / 156
Aftertreatment Diesel Particulate Filter / 159
Aftertreatment Exhaust Piping / 161
Diesel Exhaust Fluid (DEF) Level / 161
Operating Characteristics of Engines with Aftertreatment / 162
Regeneration / 163
Aftertreatment Warm-Up / 165