ITS60877

INSTRUCTION TO SERVICE
ITS-60877
12/05/2023
SECTION:
260 - Battery Compartment
WRITTEN BY:
Michael Rooney
SUBJECT:
Relocate rear impact sensor in baggage bay three.
ISSUE:
Luggage in the baggage bay can cause the impact sensor to activate.
SUMMARY:
Relocate the impact sensor and wiring.
ITS-60877
Ref. NHTSA Recall No.
Not Applicable
Ref. Transport Canada Recall No.
Not Applicable
THIS ITS DOCUMENT SHOULD BE RETAINED AND REFERRED TO FOR FUTURE MAINTENANCE UNTIL
THE NEW FLYER PARTS AND/OR SERVICE MANUAL IS UPDATED TO REFLECT WORK DONE AS A
RESULT OF THIS DOCUMENT. ENSURE THAT THIS DOCUMENT IS AVAILABLE FOR PARTS AND
MAINTENANCE STAFF GOING FORWARD.
This document and the contents discussed herein are the confidential and proprietary information of New Flyer Industries Canada
ULC and New Flyer of America Inc. and are disclosed by New Flyer in confidence. This document and the contents herein are not
to be disclosed by the intended recipient without the prior written authorization of New Flyer. Any unauthorized disclosure,
reproduction or other distribution of this document or information strictly prohibited and may result in action being taken against
the party making the unauthorized disclosure. This document and all copies hereof must be returned to New Flyer upon request.
INSTRUCTION TO SERVICE
ITS-60877
PROCEDURE:
1. Set the park brake and chock wheels.
2. Turn the main battery disconnect switch to the “OFF” position.
3. Open the door on baggage bay number three.
4. Locate the junction box located in the baggage bay and open the junction box door.
5. Locate the accelerometer at the bottom street side of the Junction box.
a.
Disconnect the 8 pin electrical connector at the accelerometer.
b.
Remove the screws used to secure the accelerometer then remove the accelerometer and set it and the
mounting screws aside.
6. Remove the accelerometer harness from the junction box.
a.
Disconnect the Jumper Data Cable at the Accelerometer Harness then remove the Jumper Data Cable
and set it aside.
b.
Disconnect the accelerometer harness ground wire at the terminal block next to where the accelerometer
was previously installed.
c.
Disconnect the accelerometer harness wire coded RJDP-T3B at RJDP-J3.
d.
De-pin the accelerometer harness wire coded ISR EVT-STO at RJ-P273 Pin #9.
e.
De-pin the accelerometer harness wire coded ISR EVT- ACT at RJ-P271 Pin #6.
f.
Remove the accelerometer harness from the Junction box.
Jumper Data Cable
Ground
Accelerometer
Figure 1: Existing Accelerometer & Accelerometer Harness Installation.
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INSTRUCTION TO SERVICE
ITS-60877
7. Locate the transverse frame member at the top of the baggage bay near the center on the curbside. Figure 2.
Accelerometer Harness
Accelerometer
Streetside
Junction Box
Rear
Figure 2: New Accelerometer Mounting Location.
8. Drill two 0.149” Dia mounting holes in the forward face of the frame member at the locations shown in Figure
3.
a.
Mount the accelerometer removed and set aside earlier to the frame member using the original mounting
screws set aside earlier. Orient the accelerometer such that the LED light is pointed downward. Torque
screws to 23 Inch – Lbs.
Accelerometer
Baggage Bay Light
Figure 3: Drilling Locations for Accelerometer Mounting Screws.
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INSTRUCTION TO SERVICE
ITS-60877
9. Plug the 8 pin connector on the accelerometer harness P/N 1039406 into the accelerometer.
10. Route the accelerometer harness along the existing harnesses to the junction box as seen in Figure 2.
Secure the harness as needed with tyraps NF P/N 5958112.
11. Inside the junction box, route the harness as seen in Figure 4.
a.
Reinstall the Jumper Data Cable removed earlier. Connect the end of the Jumper Data Cable to the “T”
Connector on the Accelerometer harness. Connect the other end of the Jumper Data Cable to RJXT05C.
b.
Connect the ring terminal on the ground wire of the accelerometer harness original ground location on
the terminal block next to where the accelerometer was previously located.
c.
Install the pin on the wire coded ISR EVT - STO in the RJ - P273 Pin #9 connector location.
d.
Install the pin on the wire coded ISR EVT – ACT in the RJ – P271 Pin #6 connector location.
e.
Install a 5A fuse NF P/N 07-08-1057 in location F6 on the distribution board.
f.
Install the pin on the wire coded ISR Power in the RJDP-P44 Pin #3 connector location.
g.
Bundle the accelerometer harness with the existing harnesses and secure with tyraps NF P/N 5958112.
Red ISR Power Wire
Fuse in Location F6
Jumper Data Cable
Ground
Figure 4: New Accelerometer Harness Installation in Junction Box.
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INSTRUCTION TO SERVICE
ITS-60877
12. Remove all tools and debris from work area to return coach to service.
13. Close and secure the junction box door.
14. Close and secure the baggage bay number three door.
15. Turn the main battery disconnect switch to the “ON” position.
16. Load the updated version of the PLC program available from your local Regional Product Support Manager.
ITS-60877
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INSTRUCTION TO SERVICE
ITS-60877
LABOUR ESTIMATE
Operation
1
Relocate Accelerometer & Replace Wire Harness
Number of
Technician(s)
1
Hours
1.5
Labor Time
T X HR
1.5
PARTS REQUIRED
Item
Part Number
1
1039406
2
07-08-1057
3
5958112
Qty.
per
Coach
1
Units
FUSE – MINI 5A
1
EA
TYRAP – 7.0 BLACK
10
EA
Qty.
Units
Description
HRNS-ACCELEROMETER, BB3
Notes
EA
SPECIAL TOOLS REQUIRED
Item
1
ITS-60877
Part Number
Description
Notes
NO SPECIAL TOOLS REQUIRED.
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