MAINTENANCE | |||
BLADE SERVICE | 5. Check the blade according to the ”Blade | ||
WARNING: Before you inspect |
| Service” instructions. Replace a badly | |
| worn or damaged blade with a factory re- | ||
the blade or the blade adapter, |
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| placement blade. | ||
disconnect the wire to the spark |
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6. | Mount the blade with the curved edges to- | ||
plug. If the blade hits an object, stop the | |||
| ward the housing. If the blade is upside | ||
engine. Disconnect the wire to the spark |
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| down, the blade will not cut correctly and | ||
plug. Check the unit for damage. |
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| can cause an accident. | ||
Frequently check the blade for wear or dam- |
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7. | Fasten the blade with the original wash- | ||
age such as cracks. Frequently check the bolt |
| ers and bolt. Make sure the outside rims | |
that holds the blade. Keep the bolt tight. If the |
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| of the Belleville washers are toward the | ||
blade hits an object, stop the engine. Discon- |
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| blade (Figure 13). | ||
nect the wire to the spark plug. Check the |
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8. Tighten the bolt that holds the blade to a | |||
blade adapter for damage. Check for a bent or | |||
damaged blade, a badly worn blade, or other |
| torque of 30 foot pounds. | |
damage. Before you operate the unit, dam- |
| WARNING: Always keep the | |
aged parts must be replaced with factory re- |
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placement parts. For safety, replace the blade |
| bolt that holds the blade tight. A | |
every two years. Keep a sharp edge on the |
| loose bolt or blade can cause | |
blade. A blade that is not sharp will cause the | an accident. | ||
ends of the grass to become brown. Remove | HOW TO SHARPEN THE BLADE | ||
the blade as follows. | |||
HOW TO REMOVE THE BLADE |
| WARNING: Vibration is the result | |
WARNING: Before you remove |
| if the blade is not correctly bal- | |
| anced. A blade that is damaged | ||
the blade, disconnect the wire to |
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with cracks can break and cause an acci- | |||
the spark plug. The blade has | |||
dent. | |||
sharp edges. When you hold the blade, | |||
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use gloves or cloth material to protect | 1. Sharpen the blade two times a year or ev- | ||
your hands. |
| ery 25 hours. | |
1. Drain the fuel tank. | 2. If the blade is on the unit, do not sharpen. | ||
2. Lift the side of the mower that has the |
| Remove the blade according to the in- | |
muffler or spark plug. |
| structions in ”How To Remove The Blade”. | |
3. Use a piece of wood to keep the blade | 3. Clean the blade with a brush, soap, and | ||||
| from rotating. |
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| water. Check the blade. Look for cracks, | |
4. | Remove the bolt that holds the blade with | nicks, or other damage. Replace a blade | |||
| a 9/16” (14mm) wrench. | that is badly worn, bent, or damaged with | |||
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| a factory replacement blade. | |
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| 4. Sharpen the blade with a file. Make sure | |
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| you keep the original beveled cutting edge | |
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| (Figure 14). |
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| (Continued following page) | |
| Blade Adapter |
| Blade |
| Blade |
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| Belleville |
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| Washer |
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| Blade Adapter |
| Washer |
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| File | |
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| Bolt | Screwdriver | Blade is balanced |
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| Mulching |
| when parallel to |
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| the ground. | |
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| Blade |
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| Belleville Washer |
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| Flat Washer | Ground |
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| Bolt | Figure 13 | Figure 14 | |
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| 16 |
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