64 034, 036, 036 QS
Fit the inlet needle (1).
Fit spring (2) in bore.
Insert spindle (3) in the inlet
control lever (4).
– Engage clevis in annular groove
VA
915RA051
4
2
1
3
on head of the inlet needle.
– Press the inlet control lever down
and secure with the round head
screw.
Note:
Make sure the helical spring locates
on the control lever’s nipple.
Important:
The upper edge of the inlet control
lever must be flush with the top of
the carburetor body. If this is not the
case, install a new inlet control
lever.
VA
138RA189
– Place the gasket on the
carburetor body.
Fit the metering gasket with the
perforated plate (1) facing the
inlet control lever.
– Fit the end cover.
VA
138RA228
1
Note:
The gasket, metering diaphragm
and end cover are held in position
by the pegs (arrow) on the
carburetor body.
– Insert the collar screws and
tighten them down firmly.
Insert the fuel strainer at the
pump side.
– Fit the pump diaphragm, gasket
and end cover and tighten down
firmly.
VA
138RA182
Note:
The pump diaphragm and gasket
are held in position by the pegs
(arrow) on the cover.
VA
138RA191
Thoroughly clean the high speed
screw (1) and low speed screw
(2). Coat threads of screws (not
the first two or three turns) with
LOCTITE 221, see 13.2.
Caution:
Do not apply adhesive to the first
VA
148RA059
1 2
two or three turns of the screw
threads. Adhesive must not enter
the carburetor.
– Fit adjusting screws in the
carburetor.
– Carry out leakage test after
installing carburetor.
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