Toro Groundsmaster 4300-D Service Manual page 52

Checking the Fuel Lines and Connections
Priming the Fuel System
Removing the Fuel Tank
Diesel Engine: Service and Repairs
Diesel fuel is highly flammable and explosive. A fire or an explosion
from the fuel can burn you, burn other people, and damage property.
• Use caution whenever you store or handle diesel fuel.
• Do not smoke while filling the fuel tank.
• Do not fill the fuel tank while the engine is running, while the
engine is hot, or when the machine is in an enclosed area.
• Always fill the fuel tank outside and wipe up any spilled diesel
fuel before starting the engine.
• Store fuel in a clean, safety-approved container and keep the cap
in place.
• Use diesel fuel as an engine fuel only, not for any other purpose.
Check the fuel lines and connections at the scheduled maintenance intervals
recommended in the Operator's Manual. Check the lines for deterioration,
damage, leaks, or loose connections. Replace the hoses, clamps, and fittings
as necessary.
The fuel system needs to be primed before starting the engine for the first time,
after running out of fuel, or after fuel system maintenance (e.g., draining the
fuel/water separator, replacing the fuel filter or a fuel hose). To prime the fuel
system, ensure that the fuel tank has fuel in it. Then, turn the key switch to the
R position for 10 to 15 seconds, which allows the fuel pump to prime the fuel
UN
system. Do not turn the key switch to the S
1. Park the machine on a level surface, lower the cutting decks, shut off the
engine, set the parking brake, and remove the key from the key switch.
2. Unlatch the hood and raise it.
3. Remove the negative battery cable from the negative post of the battery.
4. Allow the engine to completely cool.
5. Place a drain pan under the fuel tank. Ensure that the drain pan is large
enough to hold the fuel tank contents (refer to
6. Open the draincock at the bottom of the fuel tank and allow the tank to fully
drain. Close the draincock.
7. Disconnect the wire harness connection from the fuel sender (item 24 in
Figure 14).
Note: Before removing the fuel hoses from the tank fittings, label the hoses
for assembly purposes.
DANGER
TART
Page 3–20
position to prime the fuel system.
Specifications (page
Groundsmaster
16226SL Rev C
3–2)).
® 4300-D