Fuel System Maintenance; Draining The Fuel Tank - Toro DH 210 Operator's Manual

Checking the Spark Plug
1. Look at the center of the spark plug
If you see light brown or gray on the insulator,
the engine is operating properly. A black coating
on the insulator usually means that the air
cleaner is dirty.
Figure 28
1. Center electrode insulator
2. Side electrode
Important:
Do not clean the spark plug.
Always replace the spark plug when it has a
black coating, worn electrodes, an oily film,
or cracks.
2. Check the gap between the center and side
electrodes (Figure
electrode if the gap is not correct.
Installing the Spark Plug
1. Install the spark plug and metal washer. Ensure
that the air gap is set correctly.
2. Tighten the spark plug to 15 ft-lb (20.4 N-m).
3. Connect the wire to the spark plug
4. Close the hood.
(Figure
3. Air gap (not to scale)
28) and bend the side
(Figure
Fuel System
28).
Maintenance

Draining the Fuel Tank

Drain the fuel tank when you will not be using the
machine for more than 30 days.
DANGER
In certain conditions, fuel and fuel vapors are
extremely flammable and highly explosive. A
fire or explosion from fuel can burn you and
others and can damage property.
g000666
• Drain fuel from the fuel tank when the
engine is cold. Do this outdoors in an open
area. Wipe up any fuel that spills.
• Never smoke when draining fuel, and stay
away from an open flame or where a spark
may ignite the fuel fumes.
1. Park the machine so that the left front side is
slightly lower than the right side to ensure that
the fuel tank drains completely.
2. Disengage the blades (PTO).
3. Set the parking brake.
4. Stop the engine and wait for all moving parts to
stop.
5. Remove the ignition key.
6. Close the fuel shut-off valve located under the
front of the fuel tank.
7. Loosen the hose clamp at the fuel filter and slide
27).
it up the fuel line away from the fuel filter
29).
1. Hose clamp
2. Fuel line
8. Pull the fuel line off the fuel filter
26
Figure 29
3. Fuel filter
(Figure
(Figure
g008275
29).