Draining Gasoline And Cleaning Fuel Filter; Engine Oil - Exmark Metro 21 Operator's Manual

Draining Gasoline and
Cleaning Fuel Filter
Clean the fuel filter element every 50 hours of operation.
1. Stop the engine and wait for it to cool.
IMPORTANT: Drain gasoline from a cold engine only.
2. Close the fuel valve by turning the lever to the closed
position (Fig. 7).
3. Pull the wire off of the spark plug (Fig. 6).
4. Remove the fuel tube by loosening the tube clamp at
the carburetor (Fig. 17).
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Figure 17
1. Fuel tube
5. Open the fuel valve by turning the lever to the open
position (Fig. 7).
6. Drain gasoline completely from the tank and fuel line
into an approved gasoline container.
7. Remove the fuel tube on the fuel tank by loosening the
tube clamp (Fig. 18).
8. Remove the fuel filter from the fuel tank (Fig. 18).
Figure 18
1. Fuel tube
1
2. Tube clamp
2
1
2. Fuel filter
9. Clean the fuel filter with high flash-point solvent.
10. Firmly reinstall the filter, tubes and clamps.

Engine Oil

Change the engine oil after the first 8 hours of operation
and after 100 hours of operation or yearly thereafter.
1. Run the engine to warm the oil.
WARNING
POTENTIAL HAZARD
Oil may be hot after engine has been run.
WHAT CAN HAPPEN
Contact with hot oil can cause severe personal
injury.
HOW TO AVOID THE HAZARD
Avoid contact with oil while draining oil.
2. Stop the engine and pull the wire off of the spark plug
(Fig. 6).
3. Place a suitable drain pan under the side oil drain plug.
4. Raise the left side of the mower at least 12 inches and
open the side oil drain plug (Fig. 19).
5. Insert the oil drain tube over the drain plug and lower
mower (Fig. 19).
6. Raise right side of mower until all oil has flowed into
the drain pan.
7. Remove the oil drain tube and retighten the side oil
drain plug.
IMPORTANT: Do not over-tighten the side oil drain
plug. It may cause damage to the crankcase cover.
Specified torque is 23 N-m (190 in-lbs.).
8. Recycle the oil as per local codes.
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