MAINTENANCE
The engine should never run without the foam element;
excessive piston and cylinder wear may result.
7. Install the air filter case cover in its original position and tighten the
screw.
8. Install the cover and tighten the screws.
7.5 Muffler screen and spark arrester
WARNING
• The engine and muffler will be very hot after the engine has been run.
Avoid touching the engine and muffler while they are still hot with any
part of your body or clothing during inspection or repair.
1. Remove the screws (1), and then pull outward on the areas of the
cover (2) shown.
2. Loosen the bolt (3) and then remove the muffler cap (4), the muffler
screen (5) and spark arrester (6).
3. Clean the carbon deposits on the muffler screen and spark arrester
using a wire brush.
NOTICE
• When cleaning, use the wire brush
lightly to avoid damaging or scratching
of muffler screen and spark arrester.
4. Check the muffler screen and spark arrester. Replace them if
damaged.
5. Install the spark arrester.
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MAINTENANCE
TIP: Align the spark arrester projection (7) with
the hole (8) in the muffler pipe.
6. Install the muffler screen and the muffler cap.
7. Install the cover and tighten the screws.
7.6 Fuel tank filter
WARNING
• Never use the gasoline while smoking or in the
vicinity of an open flame.
1. Remove the fuel tank cap and filter.
2. Clean the filter with gasoline.
3. Wipe the filter and install it.
4. Install the fuel tank cap.
Be sure the fuel tank cap is tightened securely.
7.7 Fuel filter
1. Remove the screws (1), and then remove the cover (2), and drain the
fuel (3).
2. Hold and move up the clamp (4), then take off the hose (5) from the
tank.
3. Take out the fuel filter (6).
4. Clean the filter with gasoline.
5. Dry the filter and put it back into tank.
6. Install the hose and clamp, then open the fuel valve to check for leaks.
7. Install the cover and tighten the screws.
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