Volvo 240 1989 Service Manual page 21

Important
Fuel system LH2.4 - 240
Important
Wa rni ng!
The ignitio n syst em o perates at ve ry high voltages.
Extreme tare must be taken when working On th o igni­
tio n system, even w hen removi ng connectors etc.
Th e foll owing ins tru ct ions mus t be followed to prevent
damage
to
the con tro l
u nit.
Compress ion test:
- dtsconnect w ire from terminal
1
on tho Ignition cOil
(to prev ent arcing affecti ng tho olOCHIcal system's
control units}
- remove co nnectors from injectors (to aVOId flooding
the en gine. ddUTlon of 0 11 etc )
(
Tu rn off ignition when:
- connecung/ dlsconnectlng les equlpm nt
- connec tmg/ dlsconneCl ing conuol unit connector
- connecllng/ d lsconnoctlng leads to Ign1llon cotl and
plug
Banery:
- do not
runmng
- djseonn c
disc onnect battery w hon the
baH ary when boost cha rging
engine
IS
- do nor use boost chargers wi th a voltage ra ting of
m ore than 1SV when J ump starting engine .
19