Charging The Battery; Changing The Fuel Filter - Toro 22604 Operator's Manual

Checking the spark Plugs
Service Interval: Every 200 Hours
1. Look at the center of both spark plugs (Figure 24). If you
see light brown or gray on the insulator, the engine is
operating properly. A black coating on the insulator
usually means the air cleaner is dirty.
Important: Never clean the spark plugs. Always replace
the spark plugs when they have a black coating, worn
electrodes, an oily film, or cracks.
2. Check the gap between the center and side electrodes
(Figure 24).
3. Bend the side electrode (Figure 24) if the gap is not
correct.
Figure 24
1. Center electrode insulator
2. Side electrode
Installing the spark Plugs
1. Thread the spark plugs into the spark plug holes.
2. Torque the spark plugs to 18-22 ft.-lb (24.4-29.8 N m).
3. Push the wires onto the spark plugs (Figure 23).

Changing the Fuel Filter

Service Interval: Replace the fuel filter every 200 hours.
Important: Never install a dirty filter.
1. Clamp the fuel line between the carburetor and the fuel
filter to block the fuel flow.
2. Squeeze the ends of the hose clamps together and slide
away from the fuel filter (Figure 25).
Figure 25
1. Fuel filter
3. Fuel hose
3. Place a drain pan under the fuel lines to catch any leaks,
then remove the filter from the fuel lines (Figure 25).
4. Install a new filter, with arrow pointing toward the
carburetor, and move the hose clamps close to the filter.
5. Remove the clamp blocking fuel flow and open the fuel
valve.
3. Air gap (not to scale)
2. Hose clamp
14

Charging the Battery

ARNING
DANGER
Charging the battery produces gases that can explode.
Never smoke near the battery and keep sparks and
flames away from battery.
Important: Always keep the battery fully charged (1.265
specific gravity). This is especially important to prevent
battery damage when the temperature is below 32F (05C).
1. Remove the battery cover.
2. Clean the top of the battery with a paper towel.
3. Check the electrolyte level of each cell.
4. Remove the filler caps from the battery.
5. Slowly pour distilled water into each battery cell until the
electrolyte level is up to the Upper line on the battery
case.
Important: Do not overfill the battery because electrolyte
(sulfuric acid) can cause severe corrosion and damage to the
chassis.
6. Wait five to ten minutes after filling the battery cells. Add
distilled water, if necessary, until the electrolyte level is
up to the Upper line on the battery case.
7. Install the battery filler caps.
W ING
DANGER
Charging the battery produces gases that can
explode.
Never smoke near the battery and keep sparks and
flames away from battery.
8. Make sure the filler caps are installed in the battery.
Figure 26
1. Positive battery post
2. Negative battery post
3. Red (+) charger lead
4. Black (-)charger lead