Volvo 240 1975 User manual

ServiceManual
c
Repairs
andmaintenance

o
a'
o
a
o
Volvosa€ sold
inversionsadapteclfordifferent
mark€ts.
Th€seadaptalions
dependon many
facrorcincludingle-
9al,
taxationandmarketrequirem€nts,
Thismanual
maythereforeshowillustrationsandtext
whichdo nolapply
to carsinyourcountry.

Group34 lgnition
sysLem
Contents
0
Contents
Group34 lgnitionsystem
Index
page
79
Indicatesrevised
informalion:
Ordernumbor:TP30432/2
2
3
5
10
2-l
24
37
57
Page
Soecia
lools
General
nstructions..
Specifications:lgnitionsFtemwithcontactbr66ket.... ... ... ... ... ... .
BreakeeBBignitron3y3lem ..........
Computerizedignition3y3lem
.... ......... .. ..
Inspectionof lgnitionsy3t6mwithcontactbreakeB
B20A,B 17-A23A
Breakerles.ignilionsyltemB20F,B 19E,ET,
B21E,ET,FFT,823e,827128A.Eand
F.........................
CompurerizedignitionsFiem B21F-MPG
(1981),
B21F-Cl
(1982),
B21F-LH
(1982),
A2s
F-LH
0983-1984),
B230F-LH
(1985-)
..........
0Wercservethe
right
lo make alterations
withoul
prior
notilicalion.
O1985.VOLVOCAFSOFNORTHAMERICA,
ADvsonolVolvoNorlh
Am€ica
Corporation

Specialtools
Specialtools
,: E-,1-.t
v!a' - - {'
-t_*_.- , ,:
Ohm-OiodeTesler
Monole3ter
- Owellangle,ignitionsetting
Stfoboscop€
- lgnition
seliing
FlywheelAdapter
- lgnition
setring
lvlY1984-

Generalinstructions
lgnition system - general instructions
0Measuringresistance
Beforemeasuringthe resistanceof acompononl make
surethatallleadshave
beendisconnectedfrom it.
Resistancevaluesspecifiedinthismanualapplyat20"c
(68'F).
Electronicignition
systems
Electronicignition systems operate at very high vol
tages- oftenin excessof 30000V.Suchhigh volrages
area dangerto lifeandspecial
precautions
musl be
lakenwhenworking
on vehicles so
fitted.
The ? symborused
(hroughoutth
sTalua Indrcates
terminals
wheredangeroushighvoltagescanbe ex
Enginetype and model
11
= 4317
{820
1975761
2:819
24=E
26
= ETurbo
4=821
44=E
45=F{5}
46= E-Turbo
48=F(8)
49=F(9)
year
designation
6:827 {1975-79)
64
= E
(-1980)
65=F
6 = 828
(1980-)
62=A
68=E(1981
)
69=F
= A23IB23O8
81
84
88
1e8o: VC
24445
1981
: YV1AX 454X
19ao: 245
1981
: YV1
244
L
10ooooo
E10OOO0O
1
000000
1000000
E
!15
40
I
L
18
T
o

Generalinstruclions
0
231
-....
JFU
1 <--
Bosch
partnumbers
Stampedin side
of dislributor
body.
<--Bosch number
o
O
Directionof rotation
Numberof cylinde.s
Centrifugaladvance
Distributorbodydiameter
P
= 71-83mm
t)
Qr
f)
O

t
Ignition system with contact breaker
Specifications
lgnition systemwith contact breaker
i$ tgnitioncoil B20A,817_8234
820
,0 BI/ B.J
Res
stanceof
prma.ycoi (acrosslerm
na
s
1l )
andl5(+)
)
Resistance
of secondarycoi lacross rermina
s 11 )and HT
Bollo r'p i5to
Sparkplugs
T
ghlening
torque
{uno
€d
pl!s)
High
tension
leads'
A-engines
-1978
2.8510.r
5()
9.512.5k()
A-€nganes'1979-
1.910.10
9.51t.5kO
1.310.1O (0.9:t01
r0
BoschW 7B
EoschW 7DC
0.7 0.8mm
25-5 Nm (1813.5 fi.lbs)
{r 240 240
d$
a-
,o-. _}.*_ _---
+'E--------.------:c+
1ko 0(ym 1kn
1976-aO d__r-'- --1 1975-76
oo 5,6
ko/m oa 1ko ga/m 1k')
-f\}.__ Jr'-1..Jr\
!.,2_--.J,
5ka
'Nore: Fes,srancevaluesare
gtvenin KO perneter af length.
(Measure
teadinotdertacamputecorcct value
) All
oo O a/m 1.4kf)
1ko O
Orm
0c) 5,6 ko/m oo
0vatueshave a permEsable toleranceof . 20o/o

Specifications
lgnition
system
with
contactbreaker
Rotol
Resrstance.
Firing ordel 420
13-4-2
5r1ko
817-823
'l-3-4-2
lgnitionsetting
Witheffectfrom1976,vehiclesforSweden,
Australia,
USAandCanada
{also
Switzerland
1983'rnodels)have
detailsof
ignitionsettingstampedon a plate lo leftofenginecompartment.
0)
0'
SDecial
vehicles
" Sweden:245wilh
8W35,8W55,M46andspecialvehr. 10"
211979-80:Sweden,Overseaswithenginelypes49ST55and49ESllandspecisvehicleswithmanuagearbox..
.. 10"
Specalvehicleswithaulohatcsearbox..
.. .. ...... .. .. .. 8"
3r240wiih
enginetype4gS528 r5'and32-36'
') lgnilion settingcan be retardedlo 5' if, despiteuslng98ociane
f!el, engineis pronelo pre ignition (knockins).
Specialvehiclerefers 1oheavyveh c e rypesslch as 245GLwith auiomatic
rransmission.
lgnition setting (before
T.D.C.,vacuum control unit disconnected)
Enginetype Modelyear/Marlet 11.7-13.3r/s
700-800r/min 2500 /min
B17A '1979 84 '12" 2A 32'
819A 19'/71t
1978 ltaly
1978 80 Other markets
1981-84
15'
15"
12"
10'
32-36'
32-36'
2A 32'
26-30'
B19K 17 23"
B20A 1915-76 10" 23-21'
B21A 1975
19167711
1978 Sweden3)
Othermarkets
1979-8o'z)
1981 Scandinavia,Australia
Olher
markets
'1982-83Scandinavia,Australia
Othermarkets
1984 Scandinavia,Switzerland
Auslralia
Europe
Canada
'12'
'15'
12"
15'
12'
10"
12'
'10"
12"
10"
10"
7"
24 24"
32 36"
2a-32'
32 36"
28 32"
26 32'
2A 32'
26 32'
24-30"
2A-32'
20 26"
26-32"
17 23"
24-30'
B23A 1981-82 Scandinaviaa)
1982 Other markets
1983 84 Europe
Overseas
5"
5'
2t 26"
19-2{
17-22"
19 2q

lgnition system with contact breaker
Distributor
qA
i0
i0
t
lgnition setting
nttl Bosch
n!mber atbottom
stampedn disiributorbody.
Variationof lgnitionsening
Variationof ignitionsetting
Ai L E'H
Enginetype (App
iesio ai markeisunessotherwse
B17A 1979-80
198184 0231176103
0185 1 266478 I 219661
B19A 1977
1978
1979
1980
1981-84
Thailand,Malaysia,ndonesia
0185
0
185
6
103
6103
0185
6103
0185
1219661
1219661
1 266478
1 266418
1219661
1 266474
1
219661
B19K 1984 0302 1332410
B20A 1975-76 0085 462 657
B21A 1915
1976 11
1978
1979
1980
198183
1984
Othermarkets
Sweden,Australia,Canada,Ove.seas
Olhermarkets
(inc.
Thailand,Indonesa)
Sweden,Australia,Canada,Overseas
Other
markers
(inc.
Malaysia,Thailand,
Sweden,
Auslralia
(1982
alsoSwitzerland,
canada)
0134
0173
0185
6 103
0185
6 103
0
185
6
103
0185
103
o 244
0185
0302
0284
463692
1219625
I 219661
1 266 414
1219661
1 266478
1219661
1 266 478
1
219661
1 266 474
1306792
1219661
1 332410
1306792
823A 198182
1983 84 Europe o 247 0302
o241
306872
332
410
306
872
Oiagramkey:
lsl
l-r I
@
:s3b ""'i;''o
is:t,' Hirl
'.,4:)
t:
o2 1
17008
.,

-T
lgnition system with contactbreaker
lgnition setting graphs
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o
Ei za -)
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