Actron 615 Manual do Proprietário - Página 5

Procurar online ou descarregar pdf Manual do Proprietário para Instrumentos de medição Actron 615. Actron 615 8 páginas. Engine analyzer

DWELL
VARIATION
TEST
Check the owners manual or engine compartment
decal.
Follow instructions regarding vacuum line
` or advance-retard solenoid connections. Vacuum
line must be disconnected from distributor.
Increase the engine speed from idle to a minimum
of 1500 RPM and then reduce. it back to idle.
Watch the dwell reading during this procedure.
If the dwell variation is more than 3 degrees, check
for wear in the breaker plate or wear in the distri-
butor shaft or bushings.
SOLID
STATE
4
Connect the test leads as shown in FIGURE 1. Set
the slide switch knob to OTHER TESTS and the
Function Selector Knob to the RPM position that
corresponds to the number of cylinders in the
engine being tested.
NOTE:
On engines equipped
with exhaust emission control
systems,
air injection pumps
and positive crankcase ventila-
tion,
refer to the decal in
the engine compartment or the
ment specifications.
IDLE SPEED SCREW
M
PLUG
END OF VACUUM
LINE
MADE:
IN U.S.A:
14
(See owners manual).
TYPICAL CARBURETORS
IDLE MIXTURE SCREWS
IDLE SPEED SCREW