40 - English
Repair instructions
Assembly
Observe cleanliness when assembling the car-
burettor. The slightest contamination can cause
malfunctions.
1. If throttle and choke valves with shafts, lever
arms and springs are removed, these shall
be assembled. The springs are tightened 1-2
revolutions. Lubricate the shaft bearings using
a light oil.
2. Assemble the high- and low-speed screws
with springs. Note! Do not tighten the screws
against the bases. This will damage seats and
needle tips.
3. Assemble the fuel screen M using the handle
of a small screwdriver (see fi gure 41).
4. Assemble membrane N with gasket P and
screw tight the pump cover Q.
5. Assemble needle valve G with lever arm F,
shaft E and spring H, and tighten screw J (see
fi gure 43).
6. Check using a ruler or the like that the lever
is level with the assembly plane on the cover.
If necessary, the lever arm can be bent (see
fi gure 44).
7. Assemble control membrane C, gasket D,
cover B and tighten screws A.
8. Do a pressure test.
Fig 43
Fig 44
Fig 45
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