Servicing The Drive Belt; Servicing The Fuel System; Spark Plugs - Toro Twister 12003 Operator's Manual

4. Rotate both tie rods to move the front of the tire inward
or outward.
5. Tighten the tie rod jam nuts when the adjustment is
correct.
6. Ensure that there is full travel of the steering wheel in
both directions.

Servicing the Drive Belt

Check condition and tension of drive belt after first day of
operation and every 200 operating hours thereafter.
1. Park the machine on a level surface, shift into Neutral,
set the parking brake, turn the ignition off, and remove
the key.
2. Raise bed and secure with prop rod.
3. Rotate and inspect belt for excessive wear or damage.
Replace as necessary.
1
2
Figure 28
1. Drive belt
2. Primary clutch
Replacing the Drive Belt
1. Rotate and route the belt over the secondary clutch
(Fig. 28).
2. Remove the belt from the primary clutch (Fig. 28).
3. To replace the belt, reverse the procedure.
3
3. Secondary clutch
27

Servicing the Fuel System

Fuel Lines and Connections
Check lines and connections every 400 hours or yearly,
whichever occurs first. Inspect for deterioration, damage, or
loose connections.
Replacing the Fuel Filter
Replace the fuel filter after every 800 operating hours or
yearly, whichever occurs first.
1. Raise the bed and support it with the prop rod.
2. Place a clean container under the fuel filter.
3. Remove the clamps securing the fuel filter to the fuel
lines.
1
Figure 29
1. Fuel filter
4. Install the replacement fuel filter to the fuel lines with
the clamps previously removed. Mount the filter so that
the arrow points toward the carburetor.

Spark Plugs

Replace the spark plugs after every 800 operating hours or
yearly, whichever occurs first, to ensure proper engine
performance and reduce the exhaust emission level.
Type: Champion RC 12YC (or equivalent)
Air Gap: 0.030 in. (0.76 mm)
Note: The spark plug usually lasts a long time; however,
the plug should be removed and checked whenever the
engine malfunctions.
Checking and Replacing the Spark Plug
1. Clean the area around the spark plugs so that foreign
matter cannot fall into the cylinder when the spark plug
is removed.
2. Pull the spark plug wires off of the spark plugs and
remove the plugs from the cylinder head.
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