SERVICE B
BULLE
ETIN
SB1577
S
ADDRE
ESSEES

: Ownerss and opera
ators
ABC Cu
ustomer Ca
are and Partts Source

VEHICL
LE MODEL
L

: CX45 an
nd TX45 with DD13 EP
PA16 enginee

MANUA
AL SECTIO
ON

: 14.10 E lectricity – wiring
w

BULLE
ETIN TYPE

hange Program
: Field Ch

DATE

: Februarry 18th, 2019

SUBJE
ECT

: To cha
ange and reroute
r
altternator g round cab
bles

TERMS
S & CONDIT
TIONS

: Refer to
o the warranty section further in thhis Bulletin.

APPLICA
ATION:
The Field Change Program,
P
su
ubject of th
his bulletin, is applica
able to vehhicles of the
e below
d models:
mentioned
CX45 with
h DD13 EPA
A16 engine
TX45 with
h DD13 EPA
A16 engine

DESCRIP
PTION:
It has bee
en reported
d that the ground
g
cab
bles of both
h Prestolite
e AC172 allternators are too
close to th
he exhaustt pipe and turbocharg
ger (refer to
t 1-Figure
e 1). The grround cablles
insulation might sufffer damage
e due to exxcessive heat.
n gives ste
ep-by-step instruction
ns to chang
ge the alterrnator grou
und
This Service Bulletin
t
unde
er the crankkcase brea
ather unit (refer to rouuting 2-Fig
gure 1).
cables and reroute them

Figu
ure 1: Routting of altern
nator
ground cables
1. Previous ro
outing (= not OK)
g (=OK)
2. New routing

Continued on next page..
SB
B1577_USA_en_2019-02-18

Page 1 of 6

COMPON
NENTS AN
ND PRODU
UCTS:
Parts
s of kit 1165
58786

F
Figure 2
VH Refere
ence
11338
8608
660229
9804
660636
6402
10847
7069

De
escription
Allternator gro
ound cabless
Sccrew M8
Co
oil spring lo
ock washer M8
Ca
able clamp

Qty.
1
2
2
2

JOB REQ
QUIREMEN
NTS:
nician’s qua
alifications//experiencce: electricity.
Job techn
SPECIAL
L TOOLS, EQUIPME
E
NT OR SE
ERVICES:
No specia
al tools or equipment
e
or service
es required
d.
ATIONS:
PREPARA
•
•
•
•
•
•

Park th
he coach on
o a level-s
surfaced s ervice pit.
Apply the parking
g brake an
nd shut dow
wn the eng
gine.
Switch
h off all sysstems and turn off the
e battery master
m
swittch.
Turn o
off the mecchanical ba
attery switcch.
Put a ““DO NOT OPERATE
O
E” tag on th
he instrume
ent panel.
Read tthe entire procedurre before b
beginning
g to work.

W
WARNIN
NG!
Ob
bserve saffe shop pra
actices at a
all times.

Continued on next page..
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B1577_USA_en
n_2019-01-08

Page 2 of 6

PROCEDURE:
Step
1

Ac
ction
Locate the
t vehicle batteries a
and discon
nnect the ground
g
cabble clamp (figure
(
3).

F
Figure 3

2

Behind the
t rearmo
ost access door at the
e left:
ove the sid
de access p
panel in fro
ont of the radiator
r
(figgure 4).
a. Remo
b. Remo
ove the rub
bber elbow
w at the turb
bocharger (figure 5).

Figure 4

3

Figure 5

At the ba
ack side off the altern
nators:
a. At bo
oth alterna
ators: remo
ove the airr hose connected to tthe protecttive
coverr.
b. At the
e upper allternator o
only: remo
ove the nutts (1 and 22) of the cla
amp
securring the po
ositive cabl e to the
cable
e bracket.
c. At the
e upper allternator o
only:
remo
ove the nuts (3 and 4)) of the
cable
e bracket.
d. At the
e upper allternator o
only: reinstalll the nuts (1 and 2) tto
preve
ent cable clamp
c
fallin
ng to
piece
es.
e. At bo
oth alterna
ators: remo
ove the
prote
ective cover.
Figure 6

Continued on next page..
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B1577_USA_en_2019-02-18

Page 3 of 6

4

Change the ground
d cables off both alterrnators. Ro
oute the neew ground cables
ass afterwa
ards throug
gh the hole
e of the prootective cov
ver. Reso that they will pa
tighten the termina
al nut of the
e ground cables
c
to a torque of 66.6 to 9.6 ft.lbf
f
(9 to
13 Nm) (figure 7 sh
hows uppe
er alternato
or).

F
Figure 7

5