NHTSA ID Number: 10178048
Manufacturer Communication Number: FT4869
TSB/Document Date: 2020-08-06
Summary
Coolant surge tank cover may rub on hose and clamps.
FT4869 Surge tank cover Chafing on Components (MQR 7621-1762)
Luc Carignan
Technical writer name / nom rédacteur technique:
First Level Parts (100% of 415 veh )
Parts/ pièces, description
WASHER FLAT M8 SS HD DIN7349
Lock Washer M8 SS DIN 128
Labour level 1
Manual/manuel, section:
0.67 on 100% of veh
MQR
1
7621-1762
Part # / # de QTY /
pièce
Qté
Disposal of parts / disposition des pièces
4
4
N30731
N28220
When the retained check box is check, the parts must be retained
and returned in accordance with the usual warranty procedure to be
reimbursed
Removed parts are / les pièces retirées sont:
Discarded / jetées
Retained/conservées
X
Second Level Parts (48% of 415 veh
Parts/ pièces, description
SUPPORT HINGE FOR CANOPY RAD
)
Labour level 2
N99962-1
1
SUPPORT HINGE FOR CANOPY RAD
N99962-2
1
Lock Washer M8 SS DIN 128
N28220
4
SCREW 3/8-16X5/8 CAP SHLD SS
N71434
2
NUT 3/8-16 HEX
N21454
2
NUT HEX M8 FLANGED WITH INSERT
N43233
2
Client
Order/Lot
New York City Transit - New York
New York City Transit - New York
New York City Transit - New York
New York City Transit - New York
New York City Transit - New York
New York City Transit - New York
New York City Transit - New York
New York City Transit - New York
New York City Transit - New York
New York City Transit - New York
L958
L959
LA23
LA73
LA76
LB29
LB59
LB78
LB99
LC32
NQF772004 Version2
1 on 2 veh
Part # / # de QTY /
pièce
Qté
Road numbers /
No de véhicule
VIN / NIV
5439
5443
5485
5442
5443
5530
S92J9G9775533
S92J0H9776118
S92J5J9776380
8504
8507
L82J8J9776445
8508
5531
5444
8526
5567
8634
8633
5566
5484
L82J9J9776924
8526
5602
8754
S92J9J9776687
S92J7H9776195
L82J3K9776984
S92J2J9776935
L82JXK9777145
S92J9G9775631
S92J0H9776118
S92J6J9776517
L82J8J9776476
L82J8K9777144
S92J6J9776873
S92J6H9776379
L82J3K9776984
S92J5K9777000
L82J5K9777277
QTY / QTÉ
4
1
46
4
125
36
41
1
36
121
Customer
Group/
Lang.
Groupe
client
E
NYCT
E
NYCT
NYCT
E
NYCT
E
E
NYCT
NYCT
E
E
NYCT
NYCT
E
E
NYCT
E
NYCT
Target
market / Plant /
marché Usine
cible
US
PLB
US
PLB
PLB
US
PLB
US
US
PLB
PLB
US
US
PLB
PLB
US
US
PLB
US
PLB
Engine
Config / Model /
NR R1
Config modèle
moteur
TD
60
x
TD
60
x
x
TD
60
x
TD
40
TD
40
x
x
TD
60
TD
60
x
x
TD
40
TD
60
x
TD
40
x
Jean-Nicolas Fournier
Digitally signed by Jean-Nicolas Fournier
DN: cn=Jean-Nicolas Fournier, o=Nova Bus
,
email=jean-nicolas.fournier@volvo.com, c=CA
Date: 2020.07.01 18:06:45 -04'00'
MQR 7621-1762 : Service Solution (Shim)
Surge tank cover Chafing Components – Interferences & Solutions
Case Manager: Jeffrey Vegh
2020-04-09
Revision 05 (Bill of material and SRT added)
Instructions, 2020-04-09
MQR, Jeffrey Vegh
1
Agenda
Subjects
1.
Location of rework
2.
Solution required (Sight Glass contact : Yes / No)
3.
Rework Instructions
4.
Installation
5.
Validation
Instructions, 2020-04-09
MQR, Jeffrey Vegh
2
1) Zone of rework:
3
3
4
a) Top, Rear, Curb / Street side of Canopy.
b) Use adequate safety equipment when working on top of vehicle.
Instructions, 2020-04-09
MQR, Jeffrey Vegh
3
2) Check for sight glass contact (YES see Step 6 / NO see Step 7)
a) Visual inspection of indent / grooves on Canopy
Bus with Sight glass contact
b) Once bracket is replaced a clearance of 3 – 4 mm will be achieved.
Instructions, 2020-04-09
MQR, Jeffrey Vegh
4
3) Rework Instructions: (Sigh Glass contact ONLY)
a) Replace original brackets (N72916-1 / -2) with new ones (N99962-1 & -2)
New (N99962)
Original (N72916)
4mm
4mm
Note,
New brackets will relocate the Canopy attaching hole by 4mm upwards & rearwards.
Instructions, 2020-04-09
MQR, Jeffrey Vegh
5
b) Installation Instructions: SIGH GLASS contact
Retain original Hardware for access,
Replace bracket then Torque 27.2 ± 2 Nm +
Loctite 242 (on threads)
Replace original bracket
N72916 with N99962
Retain original screw N31413
Retain original flat washer N29011
Discard original Lock Nut N43233
Torque 27.2 ± 2 Nm
Add Torque seal
2 places
Retain original screw N28668
Retain original flat washer N28219
Discard original Lock Washer N28220
Torque 27.2 ± 2 Nm + Loctite 242 (on threads)
Add Torque seal
4 places
Instructions, 2020-04-09
MQR, Jeffrey Vegh
6
Discard original screw N71434
Discard original Nut N21454
Torque 27.2 ± 2 Nm + Loctite 242
(on threads)
Add Torque seal
2 places
4) Installation Instructions: Without SIGH GLASS contact
a) Retain indicated hardware
Retain original Hardware
for access,
Shim bracket then Torque
27.2 ± 2 Nm + Loctite 242
(on threads)
Discard original Lock Washer N28220
Retain original flat washer N28219
Retain original screw
N28668
Original Installation
New Lock Washer N28220
Original flat washer N28219
Add new Washer N30731
New proposed installation
4MM thk (Shim)
Instructions, 2020-04-09
MQR, Jeffrey Vegh
7
b) Installation Instructions: Without SIGH GLASS contact
Retain original screw N31413
Retain original flat washer N29011
Discard original Lock Nut N43233
Torque 27.2 ± 2 Nm
Add Torque seal
2 places
Torque 27.2 ± 2 Nm + Loctite 242
(on threads)
Add Torque seal
4 places
Instructions, 2020-04-09
MQR, Jeffrey Vegh
8
5) Validation : With or Without sigh glass contact
Gain of 4mm to avoid contact of the following components;
b)
c)
d)
e)
Rubber Tube Chafing on Canopy
Fitting and Rubber Tube Chafing on Canopy
Tyton Chafing on Canopy (relocate if required, as shown)
P-Clamp Chafing on Canopy
b)
d)
e)
b)
d)
c)
Instructions, 2020-04-09
MQR, Jeffrey Vegh
9
Actual Canopy profile
c)
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- Pre-mixed orange formula is ready-to-use in a 50/50 ratio...
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TSB/Document ID: FT4869
Replacement Service Bulletin Number:
MFR Communication Date: 2020-07-07
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STRUCTURE
MFR Component System:
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