 |
|
 |
Begin OCR Text:
__
P
_ without altering the idle adjusting screw. When
adjusting, screw the adjusting nut first slowly
downwards (richer miKture) untiI the engine
starts to run roughlyn.slightl
(Ieaner miKture) shhe en
-
smoothly. Adjust the tors one at a time. __
_ 6. Adjust the idling speed with the idle adjusting
screws. Rem_mber to adjust equally on both
carburettors.
2 T. Check that the fuel air miKture is correct on
both carburettors. First lift the piston in one
of the carburettors by using the pin beside the
3 ai, ineake and ehen _ife ehe pigeon in ehe oe__e,
carburettor the same amount. The engine
should run about equally unevenly in both __
8 7 6 5 4 voL_o cases. The engine speed should also fall off
___ b b e _oo __o _ b eh _F th
y a oU - r.p.m. In o CaSeS. e
Fig. _6. Co_trols. . __ h f eh b
en0lne Sta S W fn One O e Çar WrettOr
1. Attachment for chDke 5. Locking screw for p_,geon, _,g __,Feed. eh_,g ,sua__y _,nd_,çaees ehae ehe
control outer casing choke control m._x*u,e ._n ehe oehe, ca,bu,eeeo, .,g 4oo _gan _
2. Idle adjuiting screw 6. Lockn_ h d i __ _ i- _
3. Fa_* _idie gd)_u,*__ng p. Ad)_u,*i,g nu* If t e engine Spee _nCreaSe, t_e __Kt_. e
sc,ew g. Jei _ the other CarbUrettor iS too riCh.
4_ LeVer Ad_ e e e b _ d e e_ _ _
)US men mUS e Carrle OU paf ICU ar y _
accurately in the two last-mentioned cases. _
Adiusting' _uel/oir mi_ture ond idling Adiusting the choke control ond _ost
_. _ough_y ad)_uge ehe he_ghe oF *he j_ee by f__,g_ 'Idl'Ing .
screwing up the adjusting nut (7, Fig. 26) to The fast idling adjustment described below is a
its upper poSition and then screwing it back no.rmal set(ing. The settingh also be varied _
1 '/i turns. Adjust both carbufettors eqw. aI,ly. to suit different requiremend t8mper_res.
' In very cold weather it may be advisaB___ to _d'just
2. TUrn the _d_e adjUSting SCfeWS (2) S0 that they the faSt Id_e SCfeW So that It ContaCtS tfe Idjing
3USt tOUCh the thrOtt_e f_ap Splndle _EVerS Wh0n ,'
eh eh ee_ f_ _ d Th _h Cam eafller than In the_ SettIng deSCfibed bel3.
e rO e apS are C OSe _ en SCreW em i _ _, _ _
down ha_f a eu,,. Adjustment must aIways be carried out in such a
' _ way that bofh carburettors are affected to eKactly
3 FiII the carburettor damping cylinders with oil
' .' ' the Same eKtent by the Contro_.
Use engine oil SAE 2O, not multigrade. Only
F,___ ehe çe,*,e sp_,,d_e oF ehe vaçuum p_,s*o_, 1 . Pull out the choke control on the instrument
,,e eh, p,,e' ,b,,, _,e. panel about 15 mm ('_,'8''). _
4. Sea_ *he eng__,e. Ad)_use _,d___,g speed eo 2_ Loosen tfe screw (5, Fig. 26) for the control
6oo-goo ,.p.m. (_ _g _) a,d 5oo-7oo ,.p.m. Cable_ Lift the lever so much lhaf the jet just
(_ _$ D) w__eh *he __d_e adj_use,_ng gc,ewg (2). staftS to go down. '
Turn the screws so that the induction soun'd 3. Adjust the fast idIe screw (3) so that it just
, is equally strong on both carburettors. Run _he touches the fast idle cam on the lever (O) when
I_,, engine warm. ' tfe jef sfarts eo be infIuenced as described in
_ 5 Adj,uge ehe he,,ghe oF *he )_ee (a,d ehe,eby eh, the previous point. Tighten the locking screw
i ... ' f,e_ ,a.,, m.,K*u,e) aççu,aie_y by eu,,._,g ehe for the control cable in this position.
_p ' adju'sting nut (7). The best poaition is reached 4_ CarefulIY adiust the ofher carburettor in the
___.
when the highest engine speed is obtained sam. e way_
__., _-_4
|
