Disassembling Accelerator Pump And Bi-Meral Cover; Removing Throttle Chamber; Removing Throttle Valve - Datsun 1200 1971 Workshop Repair Manual

Fuel
Sptem
In removIng
Injector
weight
piston
return
sptlng and ball
care
should be exercIsed
to
prevent
them from
beIng
scattered and lost
To check
the
accelerator
pump
the
pump
cover IS
removed Be careful
not to
lose the
return spring and mlet valve
bal
prOVided
at
the
lower
part
of the
piston dUring
dIsassembly
Removal
of bl metal
cover IS a
sImple
matter
of removmg three
set
screws
When
It becomes
necessary to
take
out
float
pull
shaft from float
Note
Under
no
C1rcumstances should
bl metaI be moved
with excessive force
Since
this
may
cause
a
permanent
set
In
b1 metal
making starting
d1fficuIt
The thlottle chamber
can
be detached from
the float hamber
by
removmg
three
set
screws
Fig
103
Disassembling
accelerator pump and bl metal
cover
1
EC013
Fig
104
RemOVing
throttle chamber
Do
not
remove
antl dlesehng
solenOId unless
It
IS
necessary
to change
It
IS
preferable
to leave throttle valve
mtact
unless
otherWise
reqUIred
If throttle valve
must
be
dIsassembled
to
remedy
a
defect
secondary
throttle
valve
must
be Installed
wIth gap
to
be free
OtherWise stable
Idlmg
and slow
speed
per
formance
Will
not be
obtamed
In
dlsassembhng
and
reassembhng
in
terlockIng hnks take
care so
that each
lInkage
has
a
smooth
action
and that
It
IS
not
fitted
m
any forced
posltton
Cleaning
and
Inspection
Dirt gum
water
or
carbon contammatIon
m
or on
the
exterior movmg
parts of carburetor
are
often responsible for unsattsfactory perfor
mance
For thiS
reason
effiCient carbureton
depends
upon
careful
cleamng
and
InspectIOn
whtle
servlcmg
Blow all
passages
and
castmgs
wIth
com
pressed
aIr
and blow off all
parts
unttl dry
Note Do
not pass
drills
or
wires
through
calibrated
jets
or
passages
as
this
may
enlarge orifice
and
seriously
affect
car
buretor
calibration
Check
all
parts
for
wear
Replace
worn
part
EspeCially
the
followmg matters
should he
noted
I
1
Q
o
Fig
105 RemOVing throttle valve
18