BS4709ER1

SERVICE BULLETIN
BS4709ER1
REFERENCE:
Nova Bus Manuals
APPLICATION DEADLINE: 2021AL01
SECTION:
03: Windows
CLAIM REFERENCE NUMBER: WB-4709
RS NO:
MQR 7621-1893
EFFECTIVE IN PROD.: LC40 (2020FE)
SUBJECT:
Driver window
JUSTIFICATION:
The driver stationary and sliding glass can brake or crack
LEVEL
1
DIRECT CHARGES
DESCRIPTION
Install MV122 Mullion retrofit kit
2
–
TIME
LABOUR
MATERIAL
Nova Bus
Nova Bus
30 min
–
–
–
MATERIAL
QTY
PART NO
REV.
DESCRIPTION
REPLACES PART N°
1
N8910149
–
MV122 MULLION RETROFIT KIT
–
2
N8907815
–
SCREW #8-32 x 0.5" 18-8 SS BLACK OX
–
–
–
–
–
LEVEL 1
LEVEL 2
–
M ate rials w ill be av ailab le w it hin 4 2 da ys on ce your orde r has b ee n p lac e d. To ord er, pl eas e
c o n t a ct P re vos t Pa rt s by p ho n e at 1- 8 00 -7 7 1- 6 6 82 , b y f a x at 1- 8 88 -6 68- 25 55 o r b y em ai l a t
[email protected]. Specify document number, quantity of parts required and shipping address.
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
2019OC25
Initial release
Annie St-Jacques
R1
2020JA30
Orders added in client list
Annie St-Jacques
APPROVED BY:
CHANGE DESCRIPTION
Jean-Nicolas Fournier
NQF772001 VERSION 3
Digitally signed by Jean-Nicolas Fournier
DN: cn=Jean-Nicolas Fournier, o=Nova Bus, [email protected], c=CA
Date: 2020.02.03 07:57:23 -05'00'
WRITTEN BY
PAGE 1 OF 11
SERVICE BULLETIN
Symbol
Empty Field
SYMBOL
+
+
BS4709ER1
Meaning
No changes, the procedure applies
+
Contract added, the procedure applies
–
Contract removed, the procedure does not apply
CLIENT
ORDER
ROAD NUMBER
VIN (2NVY/4RKY...)
FROM
TO
FROM
TO
QTY
Calgary Transit - Alberta
LB85
8355
8362
L82K9J9776916
L82K6J9776923
8
Calgary Transit - Alberta
LB91
8363
8394
L82K3K9777030
L82K1K9777074
32
Calgary Transit Alberta - CNG
LC69
8395
8434
L82K2K9777388
L82K8K9777427
40
Calgary Transit Alberta - CNG
LC94
8435
8464
L82K5L9777497
L82K8L9777526
30
Demo- Altoona HEV BAE (REF LA95)
LB38
—
—
L82L7H3750940
L82L7H3750940
1
Lethbridge Alberta
LB95
193
198
L82J1K3751894
L82J0K3751899
6
Maryland Transit Authority - MTA
LB82
20001
20001
L82J8K9777273
L82J8K9777273
1
Maryland Transit Authority - MTA
LB83
20031
20031
S92J9K9777288
S92J9K9777288
1
Mississauga Ontario
LC26
1901
1910
L82L9K3751966
L82LXK3751975
10
PAGE 2 OF 11
NQF772001 VERSION 3
SERVICE BULLETIN
BS4709ER1
FOLLOW YOUR INTERNAL SAFETY PROCEDURES.
Retain the hardware removed during the procedure for later reinstallation unless otherwise specified.
PROCEDURE
1.1.
Remove the screws that secure the sash strike.
Rear
sash
Front
sash
Sash
strike
Figure 1 - Remove the Screws to Remove the Sash Strike (Your Configuration May Differ)
PAGE 3 OF 11
NQF772001 VERSION 3
SERVICE BULLETIN
1.2.
BS4709ER1
Remove and discard the two sash stops located on the inside and outside upper tracks.
Sash stop
outside track
Sash stop
inside track
Figure 2 - Sash Stops Location
Sash stop
Figure 3 - Remove and Discard the Two Sash Stops (Only One Stop is Shown)
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NQF772001 VERSION 3
SERVICE BULLETIN
1.3.
BS4709ER1
Remove the round sash stop.
Figure 4 - Remove Round Sash Stop
1.4.
Being inside the bus, slide back the rear sash. Locate the frame insert and the flocked channel.
Frame insert
Flocked channel
Figure 5 - Slide Back Rear Sash
1.5.
Remove the flocked channel to access the screws of the frame insert and remove them.
Flocked
channel
Frame
insert
Figure 6 - Remove Flocked Channel and Screws
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NQF772001 VERSION 3
SERVICE BULLETIN
1.6.
BS4709ER1
Slide the rear sash forward.
Figure 7 - Slide the Rear Sash Forward
1.7.
Remove the flocked channel to access the other half section of the frame insert. Remove the two screws.
Sash
strike
Flocked
channel
Figure 8 - Remove Flocked Channel and Screws
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NQF772001 VERSION 3
SERVICE BULLETIN
1.8.
BS4709ER1
Slide the both sashes to position them in the middle of the frame insert.
Figure 9 - Slide Sashes in the Middle of the Frame Insert
1.9.
Carefully remove the rear sash and frame insert as one unit by grasping the edges as close to the top as
possible and gently pulling towards the interior of the bus. Then remove the front sash to secure it.
Frame
insert
Rear
sash
Front
ash
Figure 10 - Remove Rear Sash with Frame Insert, then Front Sash
PAGE 7 OF 11
NQF772001 VERSION 3
SERVICE BULLETIN
1.10.
BS4709ER1
Seal the two holes created by removing the sash stops at step 1.2 with Butyl 757 (N32989) or equivalent.
Stop hole
outside track
Stop hole
inside track
Figure 11 - Seal two Holes
1.11.
Remove the two fasteners holding the current meetrail to the frame insert. Discard meetrail and fasteners.
Frame
insert
Meetrail
Figure 12 - Remove and Discard
eetrail and Fasteners
PAGE 8 OF 11
NQF772001 VERSION 3
SERVICE BULLETIN
1.12.
BS4709ER1
Reinstall the front sash by inserting the sash in the bottom outside track. Tilt the sash into the correct position
within the frame insert opening. Then slide the sash forward the bus in close position.
Figure 13 - Install Front Sash and Slide in Close Position
1.13.
Place the frame insert on top of the rear sash.
1.14.
Insert the sash in the bottom inside track. Tilt the sash into the correct position within the frame insert opening.
Then slide the rear sash backward the bus in close position.
Figure 14 - Install Rear Sash and Slide in Close Position
1.15.
Secure the frame insert using the two fasteners removed in step 1.5 and reinstall the flocked channel. Then
slide rear sash into open position and install the two fasteners and flocked channel removed in step 1.7.
PAGE 9 OF 11
NQF772001 VERSION 3
SERVICE BULLETIN
1.16.
BS4709ER1
Install the mullion on the rear sash by inserting the milled end of the mullion into the lower track and rotation
the top so it lines up the upper track.
Figure 15 - Install Mullion
1.17.
With the mullion well seated on the rear sash, mark the top and bottom clearance hole locations. Use the
dimensions show in Figure 16 for both holes.
0.355 in.
(9.017 mm)
0.222 in.
(5.639 mm)
Figure 16 - Mark Clearance Hole Locations (Only Bottom One is Shown)
PAGE 10 OF 11
NQF772001 VERSION 3
SERVICE BULLETIN
BS4709ER1
1.18.
Remove the mullion the same way that it was installed.
1.19.
Drill the two marked locations with a #18 drill bit by taking care to drill only thru the first leg (wall) extrusion.
Figure 17 - Drill Clearance Hole thru First Wall (Only Bottom Hole is Shown)
1.20.
Reinstall the mullion and secure with the screws (N8907815) in the holes drilled in step 1.19.
1.21.
Reinstall the round sash stop removed in step 1.3.
1.22.
Reinstall the sash strike removed in step 1.1.
1.23.
The vehicle can return in service.
Figure 18 - Final Result
PAGE 11 OF 11
NQF772001 VERSION 3