Bleeding Air From The Injectors; Fuel Pump Service - Toro Groundsmaster 300 Series Service Manual

Bleeding Air From the Injectors (Fig. 37)
This procedure should only be used if the fuel system
has been purged of air. (See Bleeding the Fuel System
in this section of the book.)
1. Loosen the pipe connection at the number 1 nozzle
and holder assembly on the cylinder head .
2. Move the throttle control to the FAST position.
3. Turn the ignition key to the START position to crank
the engine and pump fuel to the nozzles. Turn the
ignition key to the OFF position when a steady stream
of fuel flows out of the loose pipe connection.
4. Tighten the pipe connector.
5. Repeat steps 1 - 4 for the No. 2 and No. 3 injector
nozzle and holder.
Fuel Pump Service (Fig. 38)
The only serviceable parts of the fuel pump are the
magnet, filter, and the gaskets on each end of the filter.
1. Disconnect the fuel pump wires from the wiring har-
ness and ground connection.
2. Disconnect the fuel hoses from the pump. Plug the
fuel lines.
3. Remove the two screws which secure the pump to
the frame.
4. Use a 17 mm wrench to remove the cover from the
fuel pump. Remove the gasket, magnet and filter ele-
ment.
®
Groundsmaster 300 Series
1. Cover
2. Cover gasket
3. Magnet
Page 4 - 35
Figure 37
Figure 38
4. Filter
5. Body
Fuel System Service