OPERATION No MA. 142-00 (I : Chnmrtcrisfirs rind special /<~a/rrrrs O/
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Op. MA. 142-00 D
1
I
M 22/617 ENGINE
WEBER 34 DMTR 28/2UO CARBURETTOR, IDENTIFICATION MARK W 57-00 : LX IZOO
WEBER 34 DMTR 28/100 CARBURETTOR, IDENTIFICATION MARK W 56-00 : (.S 2200 Air c<,>id,
WEBER 34 DMTR 281300 CARBURETTOR, IDENTIFICATION MARK w 73-00 : cx 7x0 ‘f’orqac, COI,I’ClfCI
%
;
2
; CHARACTERISTICS
,: -Anti-pollution
carburettors twin-choke compound type with mechanical control of the sword choke butterfly
-Mechanically controlled acceleration pump ( corn ) on first choke
- Cold start device operates on the 1st choke vucuum assisted cold-start stranqler flop
ldlinq speed circuit with incarporoted dumper
ADJUSTMENTS :
Description
Venturi bore
Main jets ( removable 1
Air correction jets
Emulsion tubes
Idling jets ( removable )
Air-bleed idling
jets
Acceleration pump injector: hiqh type ( weiqhted )
Econostat jet ( in cover )
Econostat deloyinq orifice ( in cover )
Ball operated needle valve
Double float weiqht
Positive butterily openinq - stronqler flop fully closed
1st Choke 2nd choke
23
120
AD 1 ( 195)
F 30
50
110
40
26
135
AD 2 ( 1.30)
F 25
70
70
110
100
I 75 nlm
13 2 0.5 q
1.25 + 0.05 mm