Changing The Engine Oil; Changing The Oil Filter - Exmark Metro 21 Operator's Manual

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3. Clean around the spark plug.
4. Remove the spark plug from the cylinder head.
NOTE: Replace a cracked, fouled, or dirty spark plug. Do not clean the electrodes
because grit entering the cylinder can damage the engine.
5. Set the gap on the plug to 0.030 in. (0.76 mm) (Fig 28)
6. Install the spark plug and the gasket seal.
7. Torque the plug to 17 ft-lb (23 N-m).
8. Connect the wire to the spark plug.

4.13 Changing the Engine Oil:

Service Interval: Change the oil after the first 5 operating hours (or the first month)
1. Run the engine to warm the engine oil.
2. Stop the engine and wait for all moving parts to stop.
3. Disconnect the wire from the spark plug (Fig 4 & 6).
4. Place a suitable drain pan under the dipstick/oil drain.
5. Clean around the dipstick.
6. Remove the dipstick by rotating the cap counterclockwise and pulling it out.
7. Raise the left side of the lawn mower to drain the oil form the dipstick fill tube into
8. After draining the oil, return the lawn mower to the operating position.
9. Fill the crankcase with fresh oil to the upper limit mark on the dipstick.
10. Insert the dipstick into the filler neck and rotate the cap clockwise until it is tight.
11. Wipe up any spilled oil.
12. Connect the wire to the spark plug.
13. Recycle the used oil according to local codes.
4.14 Changing the Oil Filter (Kawasaki Units Only):
Service Interval: Replace the oil filter after every 100 operating hours.
Then after every 50 operating hours (or every 6 months)
NOTE: Warm oil flows better and carries more contaminates.
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 contacting the hot engine oil when you drain it.
the drain pan.
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0.030 in. (0.76 mm)
Figure 28
WARNING
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