Volvo D24 - A. Compression test

Group 21 Engine
A.
Compression test
Special
tool:5191
Compression
test
A1
Disconnect
wire lrom
stop valve
on injection
pump
This
stops flow
offue and
prevenrs
t]nnecessary
spi|-
ase.
Remove
vacuum
pump
and
pump
plunger
A3
Disconnect
fuel detivery pipes
Cean all
connecrions
carefu
y
before
disconnecring
Disconfeci
pipes
and
plug
all connedions
ro
prevenr
diri fronr enterlng
system.
A2
11