Chevrolet 10 series 1973, Руководство по капитальному ремонту

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CARBURETORS 6 M - 1 5
Fig. G i l - A i r Horn T ig h te n in g Sequence
IMPORTANT: After carburetor overhaul,
throttle body part replacement, mixture
needle part replacement, or limiter cap and
needle removal, the procedures in Section
Fig. G 1 2 -A ccelerator Pum p Rod A d ju s tm e n t
6M, 1973 Chassis Service Manual, under
"Additional External Settings and Adjust­
ments", must be followed.
ROCHESTER 2GV (SAE 1 1 /2 )
INDEX
Disassembly..........................................................................6M-15
Assembly............................................................................... 6M-18
GENERAL DESCRIPTION
MODEL 2GV ( 1 -1 /2 " ) 2 BARREL (LARGE)
DISASSEMBLY
Removal of the Idle Stop Solenoid
Assembly.
Bend back retaining tabs on lock washers; then remove
large Idle Stop Solenoid valve nut and remove the
solenoid from bracket on carburetor.
NOTE: Do not remove solenoid valve bracket
from the float bowl assembly unless replace­
ment of the bracket is necessary. The bracket
is locked securely in place on the float bowl
and must be tight.
CAUTION: Do not immerse the solenoid in any
type of carburetor cleaner.
Air Horn (Figure V2)
1. On 2GV models, remove choke coil lever retaining
screw from end of choke shaft and remove choke
coil lever from choke vacuum diaphragm rod.
2. Remove the choke vacuum break diaphragm rod
from the vacuum diaphragm plunger by rotating
off-set end of rod out of slot in diaphragm plunger.
3. Remove choke vacuum diaphragm supply hose
from tube on throttle body, then remove vacuum
G A U G E FR OM TOP
OF AIR H O R N R IN G
TO TOP O F PUMP R OD
THROTTLE VALVES
FULLY CLOSED
OVERHAUL MANUAL