Volvo 240 1989 Service Manual page 22

Important
Fuel system LH2.4 - 240
Control unit:
- remov e con trol IJnI I when the ve hicle is p.xp osed to
high temperaLU r s for exampl e hea t trealmeniS for
baking on paln1. The con trol unll m ust not b e
ex~
U
po sed
to
a t em peraturo In excess of 80 ' " C (176 F)
- dlsconnecl con tro l unit whf!n carrying o ut wel ding
ro palrs
- remove cont rol unll jf w eldin g
I S
to b e ca rn ed out
near
Ii
- do no t Insen a ne w control unll wit hout haVing firs t
checked all wIring and cornponenls Otherwis e a
faul!
c an d<lmage the ne w control unit
in
th e same
way as the old.
Cl eanliness
The utmost cleanli nes s must be obs erved when
work ~
In9 with tho fuel system
Cl ean all con ne ct io ns before remo val
Gasket, seals
Insta ll new gasket /se al
I f
a fu el pIpe c onnec tio n
IS
loosened.
Battery
I[ is imp ortant w nen te s ti ng th e di ffere nt components
to ensure that the batt ery volt age IS w ithin
s pecif l ca ~
tlon s. If necess ary , a ba tt ery charg er can b e connected
dUring te s tin g M ax. c harging curre nt: 15 A at m ax .
cha rging vo hage o f 1 6 V.
Fire hazard
Extreme care sh ould be taken to avoid cau sing sparks,
especi ally when tes ting injectors
20