Fuel System Maintenance; Servicing The Fuel Filter And Water Seperator - Toro Z580-D Z Master 74266 Operator's Manual

Fuel System
Maintenance
Servicing the Fuel Filter and
Water Seperator
Service Interval: Every 40 hours—Drain the water
separator.
Every 400 hours/Yearly (whichever
comes first)—Replace the fuel
filter (more often in dirty or dusty
conditions).
Draining the Water Separator
1. Position the machine on a level surface.
2. Disengage the PTO, move the motion control levers
to the neutral locked position and set the parking
brake.
3. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
4. Locate the water separator at the back left of the
machine.
5. Place a drain pan below the water separator.
6. Open the drain valve on the water separator
approximately one turn to allow water and other
contaminates to drain (Figure 45).
7. Close the drain valve when only diesel fuel comes
out (Figure 45).
Figure 45
1. Drain valve
2. Water separator
3. Back of machine
Changing the Fuel Filter
Never install a dirty fuel filter if it is removed from the
fuel line.
1. Allow the machine to cool down.
2. Disengage the PTO, move the motion control levers
to the neutral locked position and set the parking
brake.
3. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
4. Close the fuel shut-off valve(Figure 46).
5. Loosen the two hose clamps and disconnect the fuel
lines from the fuel filter (Figure 46).
6. Install a new filter. Connect the fuel lines to the fuel
filter and install the two hose clamps (Figure 46).
7. Open the fuel shut-off valve.
8. Start the engine and check for leaks.
1. Fuel filter
2. Hose clamp
3. Fuel pump
37
Figure 46
4. Left side of machine
5. Fuel shut-off valve