FSB-511-008 Service Bulletin/Repair Instructions

Field Service Bulletin

Trucks
Volvo Trucks North America

Greensboro, NC USA
Date
8.2014
Group
No.
Release
511 008 01
Page
1(19)
SB-10056584-3106 Brake Drum, Replacement

Steer Axle

VN, VHD, VAH
FSB 511-008, Brake Drum, Replacement (Steer

Axle)

(August 2014)

Some VOLVO VN, VHD, and VAH trucks built between 08/29/2011 and 06/30/2014, equipped

with a VOLVO 14.6k steer axle, unitized hub, and 152 mm (6.0 in) wide Meritor brake shoes

can show signs of brake shoe protrusion beyond the brake drum. This condition is resolved

by installing new 152 mm (6.0 in) brake shoes, new dust shields, and new 178 mm (7.0 in)

wide brake drums (20536276).
W5092666
Required Parts (Brake Drum Replacement)

Item
Description
Part Number
Qty
1
Brake Drum, 178 mm (7.0 in) wide
20536276
2
2
Meritor Brake Shoe Kit, 152 mm (6.0 in) wide
TDAKSMA15014715QP
2
3
Brake Dust Shield, Left, Meritor
22375171
2
4
Brake Dust Shield, Right, Meritor
22375304
2
5
O-Ring, Hub Cap
3197784
2
Service personnel: Please circulate, read and initial
Service

Manager
Warranty

Administrator
PV729-FSB511-008_V
Workshop

Foreman
Service Technicians
USA66269
Volvo Trucks North America

Field Service Bulletin
Date

8.2014
Group
No.
Release
511
008
01
Decommissioning the Truck for Repair

You must read and understand the precautions and guidelines in Service Information,

group 50, "General Safety Practices, Brakes" before performing this procedure. If you are

not properly trained and certified in this procedure, ask your supervisor for training before

you perform it.

NOTE: Information is subject to change without notice. Illustrations are used for reference

only and can differ slightly from the actual vehicle being serviced. However, key

components addressed in this information are represented as accurately as possible.

1 Park the vehicle on a flat and level surface.

2 Apply the parking brake.

3 Place the transmission in neutral or park.

4 Install the wheel chocks.
W7086748
Page

2(19)
Volvo Trucks North America

Field Service Bulletin
Date

8.2014
Group
No.
Release
511
008
01
5 Disconnect the cable from the battery’s negative terminal.
W3086747
Brake Drum, Replacement, Meritor (1.9 hrs)

Note: The left side is shown for instructional purposes.

1 Lift the steer axle with a jack, place the truck on jack stands, and remove the jack.

2 Remove the wheel nuts.
W5092676
Page

3(19)
Volvo Trucks North America

Field Service Bulletin
Date

8.2014
Group
No.
Release
511
008
01
3 Remove the wheel.
W5092677
4 Remove the slack adjuster pawl.

Note: The Meritor slack adjuster is shown in this procedure for backing off the brakes.

However, this procedure is similar for other brands.
W5092669
Page

4(19)
Volvo Trucks North America

Field Service Bulletin
Date

8.2014
Group
No.
Release
511
008
01
5 Back off of the brake (slack adjuster).
W5092670
6 Remove the brake drum.

Note: Discard the brake drum.
W5092678
Page

5(19)
Volvo Trucks North America

Field Service Bulletin
Date

8.2014
Group
No.
Release
511
008
01
7 Remove the brake shoes, brake springs, and rollers.
W5092674
8 Remove the hub cap.
W5092679
Page

6(19)
Volvo Trucks North America

Field Service Bulletin
Date

8.2014
Group
No.
Release
511
008
01
9 Remove the snap ring (1), lock plate (2), hex nut (3), and D-Washer (4).
W5092874
10 Remove the hub.
W5092680
Page

7(19)
Volvo Trucks North America

Field Service Bulletin
Date

8.2014
Group
No.
Release
511
008
01
11 Remove the brake spider and dust shield from the steering knuckle.

Note: Disconnect the brake chamber hose.
W5092681
12 Remove the six fasteners securing the existing dust shields.
W5092682
Page

8(19)
Volvo Trucks North America

Field Service Bulletin
Date

8.2014
Group
No.
Release
511
008
01
13 Remove the dust shield sections and discard.
W5092683
14 Assemble the new dust shield and brake spider.

Note: See the table on page 1 for the correct dust shield part number.
W5092684

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