Chapter 7 - Kohler Engine Service Access and Fuel System
209
14. Fuel pick-up fitting: See Figure 7.41.
• The fitting consists of a brass 90 degree elbow
and an plastic tube.
• The tube reaches to near the bottom of the fuel
tank and is shrunk onto the fitting.
• When diagnosing a fuel starvation issue do not
over-look the possibility of an air leak between
the elbow and the pick-up tube.
15. Vent fitting See Figure 7.42.
• The vent fitting regulates the amount of vapor
that escapes. It also allows air to enter the fuel
tank to take up room in the tank as the fuel is
used.
• The fitting consists of a plastic chamber that
contains a regulating orifice.
Figure 7.41
Fuel pick-up
Bushing
Figure 7.42
Vent fitting
Bushing
16. When diagnosing a fuel starvation or flooding
issue confirm that the vent is not blocked.
See Figure 7.43.
17. Fuel level sender: See Figure 7.44.
• As the fuel level goes down the float lowers
causing the switch to make contact and illumi-
nating the low fuel warning light.
Figure 7.43
No pressure
No vacuum
Vent good
Figure 7.44
Fuel level sender
Bushing
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