ENGINE DIVISION SERVICE MANUAL
With engine operating at speed specified (see
Emission Control System Tune-Up Specifications),
reconnect vacuum hose to diverter valve and check
for momentary reduction of air pressure. After a few
seconds, air pressure should be restored. This
indicates normal operation of the diverter valve. If
diverter valve does not function properly, valve is
faulty and must be replaced.
Connect air injection hose to air manifold check valve
and connect pressure limiting hose to air cleaner.
Complete steps 1 through 10 for the right bank air
injection pump and diverter valve.
Check Automatic Choke (where used) for proper setting
and free operation
See Carburetor Service Manual for proper
choke setting procedure.
Check choke valve for free operation by
opening and closing choke valve manually.
CGES-215 Page 43
PRINTED IN UNITED STATES OF AMERICA