Volvo 164 1973 Owner's Manual page 50

S E RV IC I N G
Evaporative
c~ntrol
system
The foam plastic filter for the evaporative
controi system should be changed every
24000 miles (40000 km) . The foam plastic
filter is fitted on the bottom side of the
cannister and can be replaced when the
cannister has been removed. This work
should be carried out by an authorized
workshop.
48
Valves
The valve clearance should be checked
after every 12000 miles (20000 km).
The check should be carried out in a
workshop.
Compression test
To get some idea of the condition of the
engine, a compression test should be car-
ried out af ter every 6000 miles (10000 km).
This test should preferably be carried out
in a workshop.
Check throttle valve switch
The throttle valve switch should be check-
ed every 12000 miles (20000 km) by an
authorized workshop.
Inspection of electrical connections
The electrical connections and fuel lines
in the injection system should be inspected
for chafing and corrosion every 12000 miles
(20000 km) by an authorized workshop.