Chevrolet 1977 10 Series, Руководство по ремонту, Страница: 217 / 468

CARBURETOR 6C-23
Fig. 6 C -63 --R e m o vin g A ir Horn S cre w s
Float Bowl
1. Remove accelerator pum p plunger from pum p well.
2. Remove air horn gasket by lifting out of dowel
locating pins and lifting tab of gasket from beneath the power
piston hanger, being careful not to distort springs holding the
main metering rods.
3. Remove pum p return spring from pum p well.
4. Remove plastic filler block over float valve.
5. Remove power piston and metering rods by
Fig. 6 C -6 5 ~ R e m o v in g P o w e r P iston and M e te rin g Rods
depressing piston stem and allowing it to snap free (Fig. 6C-
65).
The power piston can be easily removed by pressing the
piston down and releasing it with a snap. This will cause the
power piston spring to snap the piston up against the retainer.
This procedure may have to be repeated several times.
CAUTION:
Do not remove power piston by using
pliers on metering rod hanger.
6. Remove metering rods from power piston by
disconnecting tension spring from top of each rod, then rotate
rod to remove from hanger (Fig. 6C-66).
CAUTION:
Use care when disassembling rods to
prevent distortion o f tension spring and/or
metering rods. Note carefully position o f tension
spring for later reassembly.
P O W E R
P IS T O N
S P R IN G
M E T E R IN G
R O D
P O W E R
P IS T O N
Fig. 6C-64--Removing A ir Horn Fig. 6C -66 -P ow e r Piston and M etering Rods