Chevrolet 1977 10 Series, Руководство по ремонту, Страница: 211 / 468

CARBURETOR
6C-17
Fig. 6 C -5 0 -C h o k e H o u sin g A s s e m b ly
Fig. 6 C -4 8 ~ R e a r V a c u u m B re a k - M 4 M E
Float Bowl Disassembly
1. Remove fuel inlet nut, gasket and filter (Fig. 6C-51).
2. Remove throttle body by removing throttle body to
bowl attaching screws (Fig. 6C-52).
3. Remove throttle body to bowl insulator gasket (Fig.
6C-53).
CHOKE A TTA C H IN G
H O U S IN G SCREW
Throttle Body Disassembly
1. Remove pum p rod from throttle lever.
2. DO N O T R EM O V E idle mixture limiter caps, unless
it is necessary to replace the mixture needles or normal
soaking and air pressure fails to clean the idle passages. If the
idle mixture needles are removed, refer to Service M anual for
adjustm ent procedure. If necessary to remove the idle
mixture needle, destroy plastic limiter cap. Do not install a
replacement cap as a bare m ixture screw is sufficient to
indicate that the m ixture has been re-adjusted.
C L E A N IN G A N D IN S P E C T IO N
The carburetor parts should be cleaned in cold
immersion type cleaner.
CAUTION:
The electric solenoid, rubber parts,
plastic parts, diaphragms, pump plungers, should
not be put in immersion type cleaner as they will
swell, harden or distort.
1. Thoroughly clean all metal parts and blow dry with
compressed air. M ake sure all fuel passages and metering
parts are free of burrs and dirt.
2. Check, repair or replace the following parts if the
FUEL INLET N U T FILTER SPRING
REAR V A C U U M
SEAL BREAK LEVER
LO CK OU T
PIN
SEC O N D A R Y
LOCK O U T
LEVER
FAST IDLE
C A M FOLLOWER
FAST
IDLE
C A M
INTERMEDIATE
C H O K E SHAFT
Fig. 6C-49--Removing Choke Housing Fig. 6C-5 1--Fuel Filter