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Instruction Sheet
FIRST RESPONDER GUIDE - IC Bus
Purpose
The purpose of this document is to provide detailed instruction on the following for first responders:
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Safety Information
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High-Voltage Labels
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Personal Protection Equipment (PPE)
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Identify the Vehicle: Exterior
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Identify the Vehicle: Interior
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Identify the Vehicle: Under Hood
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Overview: Vehicle Systems and Components
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High-Voltage Battery
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Drive Motor
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High-Voltage Cables
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Immobilization
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Disable Direct Hazards
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Stored Energy / Liquids
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Hazardous Material Emergency Cleanup
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In Case of Fire
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In Case of Submersion
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Towing / Transportation / Storage
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Important Additional Information
Read all safety instructions in the "Safety Information" section of the appropriate Engine Service or Diagnostic Manual.
© 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
®
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Follow all warnings, cautions, and notes.
Electric CE Series
4328785R1
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Summary of Contents for Navistar IC Bus Electric CE Series
- Page 1 Important Additional Information Read all safety instructions in the "Safety Information" section of the appropriate Engine Service or Diagnostic Manual. Follow all warnings, cautions, and notes. © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
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Page 2: Safety Information
WARNING: To prevent personal injury and / or death, pay attention to secondary fire events. Even days later secondary fire events cannot be excluded. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. - Page 3 High-voltage components in the vehicle are divided into 3 levels / zones. Only components at level 1 / zone 1 are isolated after the high-voltage disconnect switch is turned OFF. Components in zone 2 and zone 3 remain live. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
- Page 4 Figure 2 and Figure 3. However, the exact location of zones 2 and 3 varies by location and number of batteries packs installed. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
- Page 5 If there is a battery stack between the rear wheels of the vehicle and the rear bumper, the level 2 and 3 zones are located as shown in Figure 5. This is called a “3-String” configuration. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
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Page 6: Personal Protection Equipment (Ppe)
Always wear full appropriate Personal Protection Equipment (PPE), including Self-Contained Breathing Apparatus (SCBA) when fire is involved or the vehicle was submerged due to the high risk of reignition. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. - Page 7 BLUE stripes, the YELLOW IC logo and BLUE ELECTRIC lettering. Additionally, there, is an IC Bus Electric CE Series badge on the left side of the entrance door and an ELECTRIC POWERED sticker on both the front bumper and the rear bumper.
- Page 8 Under hood, the IC Bus ® Electric CE Series has several high-voltage modules, which can be distinguished by the ORANGE cables and high-voltage labels. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
- Page 9 Electric CE Series can be distinguished from common school bus models by the charging station icon (Figure 8, Item 1) on the top left of the instrument cluster. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
- Page 10 11. Battery Thermal Management System (BTMS) 12. High-Voltage Distribution Module (HVDM) 13. S-box 14. Drive motor 15. Charge port rear (AC & DC) and Onboard Charging Interface (OCI) Module 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
- Page 11 Each cover is equipped with a lock. In an emergency situation, if keys are not available, access covers must be opened by force. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
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Page 12: Drive Motor
The drive motor is located behind the rear axle and is powered by 6-phase Alternating Current (AC). The drive motor and the differential are connected by a drive shaft. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. -
Page 13: High-Voltage Cables
Figure 13. High-Voltage Cables High-voltage cables are colored in ORANGE and / or ORANGE with stripes. Never cut, breach, or stress ORANGE high-voltage components or cabling. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. - Page 14 2. Pull the parking brake (Figure 14, Item 1). 3. Turn the key (Figure 14, Item 3) to the left to turn OFF ignition. 4. Remove the key. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
- Page 15 2. Turn the RED 12 Volt Battery Disconnect switch to OFF position (Figure 15, Item 2). 3. Lock the switch with a padlock to avoid anyone from turning it back ON. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
- Page 16 OFF. These zones are located entirely between the frame rails on the underside of the vehicle and are labeled as indicated in Figure 2 and Figure 3. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
- Page 17 The vehicle S-box (Figure 17, Item 1) is located between the vehicle frame rails, forward of the rear axle. The Manual Service Disconnects (MSD), located on the S-box are, accessible from the driver-side of the vehicle. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
- Page 18 Removing the two Manual Service Disconnects (MSD) physically disconnects high-voltage after the S-box, isolating high-voltage away from High-voltage Isolation zone 1. High-voltage will still exist in high-voltage isolation zones 2 and 3. 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
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Page 19: In Case Of Fire
Batteries must be completely cooled down before releasing the vehicle to second responder. Advise second responder that there is always a risk of reignition 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. - Page 20 Separate the vehicle from all combustibles and structures by a distance of at least 50 feet (15 m). 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
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Page 21: Important Additional Information
Additional information about accident assistance and recovery of vehicle with high-voltage systems can be found • www.nfpa.org/Training-and-Events/By-topic/Alternative-Fuel-Vehicle-Safety-Training • www.vda.de/en/services/Publications/rescue-and-towing-of-vehicles-with-high-voltage-systems.html • SAE J2990 Hybrid and EV First and Second Responder Recommended Practice 4328785R1 © 2021 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
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