Workshop Manual Datsun 510, 1300-1600, L13 ... - Datsun510.com
Workshop Manual Datsun 510, 1300-1600, L13 ... - Datsun510.com
Workshop Manual Datsun 510, 1300-1600, L13 ... - Datsun510.com
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l<br />
5 Fuel System<br />
CHAMBER COVER<br />
COVER SCREWS<br />
wASHER<br />
MAIN o<br />
V PLUG<br />
SPRING<br />
hJ<br />
r I<br />
CHAMBER BODY<br />
MOUNTING SCREWS<br />
NOTE Only dismantle vacuum chamber assembly If IfIS<br />
thoughtthat the dwphragm or IS<br />
sprmg<br />
unserviceable<br />
12 Where fitted remove the dash pot assembly and<br />
assocIated mechamsm automatic tranSIlllSSlOn only<br />
13 If the fuel return system was operatmg correctly<br />
before dlsmanthng the carburettor then do not dIsmantle<br />
the assembly If on the other hand<br />
j J<br />
Dismantled View of Secondary Throttle Vacuum Chamber Assembly<br />
JET<br />
a malfunctIOn was<br />
eVIdent m the assembly then dIsmantle the assembly but<br />
leave the bunetal portion mtact<br />
14 Now that the mam body IS dIsmantled check all<br />
components for servlceablhty and make replacements as<br />
found necessary<br />
15 Reassembly IS a reversal of the dlSmantlmg<br />
procedure<br />
See relevant followmg sectIOns for float level and other<br />
necessary adjustments<br />
TO SERVICE TOP COVER<br />
The carburettor top cover whIch houses the choke<br />
valve and shaft assembly normally requlfes very httle<br />
serVIce Do notremove the choke yalve and shaft unless It IS<br />
absolutely necessary<br />
I Mark the choke valve m relation to the cover to<br />
faCIlitate correct assembly<br />
SLOW AIR eLEED<br />
I<br />
GjKET<br />
DAF328 Carburettor<br />
2 WIth a small me remove the peenmg from the ends<br />
of the choke yalve retammg screws<br />
shaft<br />
3 DIsconnect the lInkage from the end of the choke<br />
4 With a SUItable screwdnver remove the two choke<br />
valve retammg screws and WIthdraw the choke valve<br />
5 Remove the choke valve shaft from the cover<br />
6 Lay a str31ght edge across the gasket face of the<br />
cover to check for warpage<br />
File the cover gasket face back<br />
to a true condItion IfexcessIve warpage IS eVident<br />
7 Reassemble by carrymg out the dlsmantlmg<br />
procedure m reverse WIth attention gIven to the followmg<br />
pomts<br />
Check the choke valve for proper operation<br />
Instal two new choke valve retammg screws and peen<br />
the ends of the screws to ensure that they WIll not work<br />
loose and fall mto the mductlOn mamfold<br />
TO SERVICE FLANGE<br />
I Screw out and remove the Idle mIXture adJustmg<br />
screw and spnng<br />
2 Remove the throttle adJustmg screw and spnng<br />
3 Check the pnmary and secondary throttle valve<br />
shafts for wear m the flange body<br />
NOTE If wear IS not eVident then do not dismantle the<br />
shaft assemblies<br />
4 Mark the pnmarv and secondary throttle valves m<br />
MAIN AIR BLEED<br />
t 1<br />
EMULSION T<br />
B<br />
ENTURI SECURING SCREWS<br />
Components DIsmantled from Secondary Throttle SIde of DAF328 Carburettor Mam Body<br />
50
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