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WALBRO
- Check that the automatic starter piston exhibits no scrat-
ches or oxidation.
- Check that the piston slides freely into the seat.
- Check that the piston sealing gasket exhibits no deforma-
tions.
- The starter must be more or less inserted according to the
ambient temperature.
- Measure the projection of the piston as shown in the figure,
and check the corresponding value.
- Ensure that the starter settles at ambient temperature.
- The starter should gradually disconnect by the electric hea-
ting.
- Check the starter resistance when settled at ambient tem-
perature (20 - 25 °C).
- Using a 12V battery, power the automatic starter and check
that the piston reaches the maximum protrusion.
- The actual heating time depends on the ambient tempe-
rature.
- If you detect projections, resistance or times differing from
those prescribed, replace the starter.
Characteristic
Automatic starter check: projection value
12,5 ÷ 13 mm at about 20°C
Automatic starter check Walbro maximum projection
18,5 ÷ 19 mm
Automatic starter check Walbro max time
5 min
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