BS5037E

BS5037E
SERVICE BULLETIN
REFERENCE:
Nova Bus Manuals
SECTION:
05: Rear Axle
RS NO:
MQR 7621-2254
APPLICATION DEADLINE: 2022JN06
CLAIM REFERENCE NUMBER: WB-5037
EFFECTIVE IN PROD.: LD39 (2020OC)
SUBJECT:
ZF Rear Axle AV133
JUSTIFICATION:
Quality issue identified by ZF on 20 screws used for rear axle flange shaft connection.
The rework shall be done within next scheduled maintenance or service work.
LEVEL
1
DIRECT CHARGES
DESCRIPTION
Change the 20 potentially defect screws on the flange shaft
connection.
2
–
TIME
LABOUR
MATERIAL
Nova Bus
Nova Bus
1.5 h
–
–
–
MATERIAL
QTY
PART NO
REV.
DESCRIPTION
REPLACES PART N°
N8904440
na
TORX SCREW M18 x 1.50 x 45.0
–
–
–
–
–
LEVEL 1
20
LEVEL 2
–
Materials will be available within 63 days once your order has been placed.
o r d e r, p l e a s e c o n t a c t P r e v o s t P a r t s b y p h o n e a t 1 ‑ 8 0 0 ‑ 7 7 1 ‑ 6 6 8 2 o r b y e m a i l
[email protected]. Specify document number, quantity of parts required and shipping address.
To
at
DISPOSAL OF PARTS
REMOVED PARTS ARE:
DISCARDED
*
RETAINED
Yes
–
* Dispose of the unused parts and the defective parts in
accordance with local environmental standards in effect.
REVISION HISTORY
REV.
DATE
NR
2021MR05
APPROVED BY:
NQF772001 VERSION 3
CHANGE DESCRIPTION
Initial release
Jean-Nicolas Fournier
WRITTEN BY
Annie St-Jacques
Digitally signed by Jean-Nicolas Fournier
DN: cn=Jean-Nicolas Fournier, o=Nova Bus, [email protected], c=CA
Date: 2021.03.08 08:25:32 -05'00'
PAGE 1 OF 4
SERVICE BULLETIN
CLIENT
ORDER
ROAD NUMBER
BS5037E
VIN (2NVY/4RKY...)
FROM
TO
FROM
TO
QTY
Ann Arbor Area Transportation Authority Michigan AAATA
LD05
2000
2000
L82J9L9777669
L82J9L9777669
1
Brampton Ontario
LD18
2007
2010
L82J5L3752614
L82J5L3752617
4
Brampton Ontario
LD18
2014
2024
L82J5L3752621
L82J5L3752631
11
Cape Breton Nova Scotia
LD22
N/A
N/A
L82J7L3752632
L82J7L3752632
1
CHARM city Baltimore - Maryland
LD37
1910234
1910239
L82JXL9777745
L82J3L9777750
6
Grand River Transit Ontario - GRT
LD19
22001
22031
L82J9L3752633
L82JXL3752723
31
Maryland Transit Authority - MTA
LC27
20011
20011
L82JXL9777639
L82J4L9777639
1
Maryland Transit Authority - MTA
LC28
20032
20036
S92J5L9777628
S92J3L9777662
5
Maryland Transit Authority - MTA
LC28
20038
20055
S92J5L9777664
S92J3L9777683
18
Maryland Transit Authority - MTA
LC28
20057
20062
S92J5L9777685
S92J3L9777690
6
Maryland Transit Authority - MTA
LC28
20069
20069
S92J5L9777709
S92J3L9777709
1
Ottawa - Carleton Regional Transit Co. - O.C. metrolinx
LD21
4776
4830
L82J5L3752662
L82J3L3752756
55
Ottawa - Carleton Regional Transit Co. - O.C. metrolinx
LD51
4831
4841
L82J4L9777711
L82J1L9777721
11
Ottawa - Carleton Regional Transit Co. - O.C. metrolinx
LD51
4847
4847
L82J4L9777727
L82J1L9777727
1
Ottawa - Carleton Regional Transit Co. - O.C. metrolinx
LD51
4849
4849
L82J4L9777729
L82J1L9777729
1
RMA World wide chauffeured Transportation
LC98
N/A
N/A
L82J6L9777693
L82J7L9777704
12
Strathcona County Transit Edmonton Alberta
LD20
2031
2035
L82J3L3752742
L82J0L3752746
5
Whitehorse Yukon
LD31
N/A
N/A
L82J2L3752747
L82J4L3752748
2
PAGE 2 OF 4
NQF772001 VERSION 3
SERVICE BULLETIN
BS5037E
WARNING
FOLLOW YOUR INTERNAL SAFETY PROCEDURES.
PROCEDURE
NOTE
The following procedure is provided by ZF. Nova Bus cannot be held responsible for its content.
1.1.
Locate the 20 screws installed on flange shaft connection (Figure 1). There are 10 screws per wheel.
Flange shaft
Screws
Figure 1 - Flange shaft screws location
1.2.
Loosen bolted connection of the flange shaft and remove the screws. Note: Do no pull flange shaft out of axle.
1.3.
Install new Torx screws N8904440 and tighten to required torque of 325 ft-lb (440 N∙m).
1.4.
The vehicle can return in service.
PAGE 3 OF 4
NQF772001 VERSION 3
BS5037E
SERVICE BULLETIN
ANNEX
Torx screws potential issue at AV133 flange shaft connection
Scope of rework
Important: Observe safety related and work instructions as described in AV-133 repair manual no.
4472.751.101c
Step 1:
To avoid shaft turning during removal or installation of the screws, lock the wheel head as described in repair manual. This is
only necessary for axles not installed in the vehicle. For axles already installed in the vehicle, the weight of the vehicle is
sufficient.
CONFIDENTIAL AND PROPRIETARY:
This copyrighted document is the property of the ZF Group. This document and the information contained herein are disclosed in confidence and may not be copied, disclosed to others, or used for any purpose, without the prior written consent of the ZF Group. © ZF Friedrichshafen AG, 2020
2021-01-25 | TUQX | AV133 Suspect screws at flange shaft connection
ZF confidential
© ZF FriedrichshafenAG
10
Torx screws potential issue at AV133 flange shaft connection
Scope of rework
Step 2:
Loosen bolted connection of the flange shaft and remove the screws. Note: Do not pull flange shaft out of axle
Step 3:
Install new Torx screws and tighten to required torque of 440 Nm
CONFIDENTIAL AND PROPRIETARY:
This copyrighted document is the property of the ZF Group. This document and the information contained herein are disclosed in confidence and may not be copied, disclosed to others, or used for any purpose, without the prior written consent of the ZF Group. © ZF Friedrichshafen AG, 2020
2021-01-25 | TUQX | AV133 Suspect screws at flange shaft connection
ZF confidential
© ZF FriedrichshafenAG
11
PAGE 4 OF 4
NQF772001 VERSION 3