57
f)
HIGH SPEED CATEGORIES
Figs 22 and 23 show the position of the governor spring
for different speeds.
The choke carburettor (Fig 22) is using the spring
27920010. For tiller version the spring is mounted on the
3rd hole. For lawnmower version the spring is mounted
on the 5th hole.
The primer carburettor is using the spring 27920123 or
27920161. (Fig 23) in the 2nd hole.
g)
GOVERNOR LEVER MOUNTING SYSTEM
There are two different governor lever mounting systems,
type A and type B. (Fig 24).
In type A the linkage is longer, in type B the linkage
shorter, but both are interchangeable.
h)
GOVERNOR PLATE MOUNTING
For the governor plate mounting proceed as follows:
- Install the plate on the intake pipe.
- Insert the two fixing screws.
- Push the plate to the end of the slots towards the filter
side.
- Tighten the screws
NOTE - If it is not possible to obtain the correct high
speed setting using the adjustment screws, move the
governor plate towards the spark plug and readjust
screws to correct rpm settings.
i)
FIXED SPEED CARBURETTORS. (Fig 24-1)
Adjustment of maximum rpm is achieved by moving tab
(A) using special tool part number 670326.
Moving the tab towards the spark plug increases the rpm,
the opposite decreases rpm.
There is no adjustment of low speed as the engine always
runs in high speed mode.
Fig. 24-1
Fig. 24
Fig. 23
Fig. 22
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