BS5028E

SERVICE BULLETIN
REFERENCE:

Nova Bus Manuals

SECTION:

12: Seats

RS NO:

MQR 7621-2093

APPLICATION DEADLINE: 2022JL01
CLAIM REFERENCE NUMBER: WB-5028

EFFECTIVE IN PROD.: LD38 (2020OC)
SUBJECT:

Flip-up seats

JUSTIFICATION:

The premature failure of the grommet causes the seat backs to become loose.

LEVEL

1

DIRECT CHARGES

DESCRIPTION

Replace the two side plates by a wider plate and add rubber
bumpers between the back plate and the mounting bracket.

2

–

TIME

LABOUR

MATERIAL

Nova Bus

Nova Bus

9min

–

–

–

MATERIAL
QTY

PART NO

REV.

DESCRIPTION

REPLACES
PART N°

N8950638-BS

–

Kit, American Seating

–

–

–

–

–

LEVEL 1

3
LEVEL 2

–

Materials will be available wit hin 32 days once your order has been placed. To order, please
contact Prevost Parts by phone at 1‑800‑771‑6682, by fax at 1‑888‑668‑2555 or by email at
prevostparts.commandes@volvo.com. 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

2021MA27

APPROVED BY:
NQF772001 VERSION 3

CHANGE DESCRIPTION

Initial release

Jean-Nicolas Fournier

WRITTEN BY

André Pelletier

Digitally signed by Jean-Nicolas Fournier
DN: cn=Jean-Nicolas Fournier, o=Nova Bus, email=jeannicolas.fournier@volvo.com, c=CA
Date: 2021.05.27 09:05:08 -04'00'

PAGE 1 OF 5

SERVICE BULLETIN
CLIENT
Buffalo New York - NFTA

ORDER
LC12

ROAD NUMBER

BS5028E

VIN (2NVY/4RKY...)

FROM

TO

FROM

TO

1901

1923

L82K6K9777345

L82K8K9777377

QTY
23

PAGE 2 OF 5
NQF772001 VERSION 3

SERVICE BULLETIN

BS5028E

WARNING

Follow your internal safety procedures.

PROCEDURE
1.1.

Park the vehicle on an even surface with the transmission on neutral.

1.2.

Apply the parking brake and set the master control switch to the stop position.

1.3.

Follow the supplier's procedure to replace the 3 flip-up seats back plate.

NOTE

The following procedure is provided by American Seating. Nova Bus cannot be held responsible for its content.

PAGE 3 OF 5
NQF772001 VERSION 3

NQF772001 VERSION 3

Revision 9/4/14

CHECK

DOUBLE
CHECK

STEP 4
RETAIN 2 SPACERS (023436307) FROM UNDER
RUBBER GROMMETS/NYLON WASHERS

STEP 1
REMOVE BACK FROM BC55 SEAT AND PLACE ON
FLAT WORK SURFACE

PROCESS DESCRIPTION
CHANGE BACK PLATE

ISSUE DATE
12/16/2020

APPROVER
TOM WARD

TORQUE
CHECK

GUAGE
CHECK

FM 09.92

SAFETY
ALERT

FOCUS
ARROW

USE A 3/8” SOCKET
TORQUE TO 40 IN-LBS
USE A 3/8” SOCKET
CYCLE
TEST

ASSEMBLE NEW PLATE WITH ATTACHED BUMPERS
(162581000) WITH FOUR BOLTS (151088001) RETAINED
FROM STEP 5

STEP 6

STEP 3
DISCARD 2 RUBBER GROMMETS (153117000) AND 2
NYLON WASHERS (031339030)

M.E./AUTHOR
DAWN ESTALIS

FMI – BC55 0008

REMOVE FOUR BOLTS (151088001) AND TWO PLATES
(162072). RETAIN THE BOLTS FOR RE-ASSEMBLY

STEP 5

USE A 7/16” SOCKET

STEP 2
REMOVE 2 BOLTS (005730402401) SECURING
PLATE (153291002), RETAIN FOR RE-ASSEMBLY

REVISION
A

CHANGE BACK PLATE ON BC55

SERVICE BULLETIN
BS5028E

PAGE 4 OF 5

NQF772001 VERSION 3
REVISION
A
STEP 8

ISSUE DATE
12/16/2020

Revision 9/4/14

CHECK

DOUBLE
CHECK

INSTALL BACK ON BC55 SEAT

STEP 10

Washe
r

Spacer

CYCLE
TEST

TORQUE
CHECK

STEP 9

FM 09.92

SAFETY
ALERT

USE A 7/16” SOCKET
TORQUE TO 75 IN-LBS

TIGHTEN BOLTS

FOCUS
ARROW

APPROVER
TOM WARD

FMI – BC55 0008
M.E./AUTHOR
DAWN ESTALIS

GUAGE
CHECK

USE TWO SPACERS (023436307), TWO
WASHERS (00700041218ZN), AND TWO NYLON
WASHER/RUBBER GROMMET ASSEMBLIES

Plate

Bolt

Washer/grommet
assembly

ASSEMBLE TWO NEW RUBBER GROMMETS (153117000) HAND START 2 BOLTS (005730402401) TO ATTACH
AND TWO NEW NYLON WASHERS (031339030)
NEW PLATE (153291002)

STEP 7

PROCESS DESCRIPTION
CHANGE BACK PLATE

CHANGE BACK PLATE ON BC55

SERVICE BULLETIN
BS5028E

PAGE 5 OF 5