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Volvo 240 1975 Service Manual page 28

Repairs and maintenance, ignition systems
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Distributor
lgnition system wnh contact breaker assemblY
A. lgnition coil and HT leads
A t
4
Testing ignition coil, ballast resistor and HT leads
a
C o m p o n e n t s s h o u l d b e a l a t e m p e r a t ! r e o f a b o L r t 2 0 ' C
(68"F).
A l l l e a d s m u s t b e d i s c o n n e c t e d f r o m t h e c o m p o n e n l s
w h e n t a k i n g n r e a s u r e m e n r s
{
Measuring resistance oI ballast resistor
Ballast resistor fitted to 1979 models onwaros
Resistance:0.9
O (eanY 79)
1 3 {) {others)
(
r)
|
fj
0
A3
Checking ignition coil:
check outer casing of ignilion coil Io. cracks elc
measure r€sistance across ternrinas 1( ) and 15
( + ) .
Resisrance:2.7 3.0 f!
1978
1.8-2.01) 1979 84
- m e a s u r e r e s i s t a n c e a c r o s s t e r m i n a 1 ( ) a n d h g h
t e n s i o n t e r m i n a l .
B e s i s t . n c e : 7 . 0 - 1 2 . 0 ( ) - 1 9 7 8
8 . 0 1 1 . 0 { } 1 9 7 9 8 4
t'
|)
26

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260 1975