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APY30387—UN—04MAY20
Engine for model Z320
5.Remove the air lter (E) clean by tapping it gently on a at surface
to remove dust. If the element is very dirty, replace it with a new
one.
6.Clean air cleaner base carefully, preventing any dirt from falling into
the air intake tube.
7.Install cartridge. Make sure that cartridge and seal are properly
seated and sealing the air intake area.
8.Install air cleaner cover.
gh8xt3t,1654623265569-19-13JUN22
Checking Spark Plug
CAUTION: Avoid injury! Touching hot surfaces can burn
skin. The engine, components, and uids are hot if the
engine has been running. Allow the engine to cool before
servicing or working near the engine and components.
1. Park machine safely (See Parking Safely in the Safety section).
APY538564—UN—07JUN22
2. Disconnect spark plug wire (A) on each side of engine.
3. Remove each spark plug.
4. Clean spark plug carefully with a wire brush.
5. Inspect the spark plug for:
● Cracked porcelain.
● Pitted or damaged electrodes.
● Other wear or damage.
NOTE: In Canada, replace the spark plug with a resistor plug only.
6. Replace the spark plugs as necessary.
MXAL42836—UN—09APR13
7. Check plug gap (B) with a wire feeler gauge. To change gap, move
the outer electrode. Gap must be to specication.
Specication
Electrode—Gap. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.75 mm (0.030 in)
8. Install spark plugs and tighten to specication.
Specication
Spark Plug—Torque. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 N·m (180 lb·in)
9. Connect the spark plug wires.
gh8xt3t,1654598082967-19-13JUN22
Replacing Fuel Filter
CAUTION: Avoid injury! Fuel vapors are explosive and
ammable:
● Do not smoke while handling fuel.
● Keep fuel away from ames or sparks.
● Shut off engine before servicing.
● Cool engine before servicing.
● Work in a well-ventilated area.
● Clean up spilled fuel immediately.
NOTE: Change lter when fuel is low.
1. Park machine safely. (See Parking Safely in the Safety section).
2. Let engine cool.
3. Raise operator seat if necessary.
4. Put a drain pan under the fuel lter.
Service Engine
31
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