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CAUTION: Do not allow dirt or dust to clog the air filter foam element. The engine air cleaner element must be serviced (cleaned)
after 25 hours normal mowing. The foam element must be serviced regularly if the mower is used in dry dusty conditions.
To CLEAN AIR FILTER
1.1 Remove the locking knob.(For Briggs engine; Fig.13A)
2. Remove the filter cover.
3. Wash filter element in soap water. DO NOT USE PETROL!
4. Air dry the filter element.
5. Place a few drops of SAE30 oil on the foam filter and squeeze tightly to remove any excess oil.
6. Reinstall filter.
NOTE: Replace filter if frayed, torn, damaged or unable to be cleaned.
Fig. 13A
10.2 CUTTING BLADE
CAUTION: Be sure to disconnect and ground the spark plug wire before working on the cutting blade to prevent
accidental engine starting. Protect hands by using heavy gloves or a rag to grasp the cutting blades.
Tip mower as specified in separate engine manual. Remove the hex bolt and washer, which holds the blade and blade adapter to
the engine crankshaft. Remove the blade and adapter from the crankshaft.
.
WARNING: Periodically inspect the blade adapter for cracks, especially if you strike a foreign object. Replace when
necessary. For best results your blade should be sharp. Slightly worn blades may be re-sharpened with care. After removing the
blade, it may be ground or filed, so that the cutting edge is as close to the original bevel as possible. It is extremely important that
each cutting edge receives an equal amount of grinding to prevent an unbalanced blade. Improper blade balance will result in
excessive vibration causing damage to the engine and mower. Be sure to carefully balance the blade after sharpening. The blade
can be tested for balance by balancing it on a round shaft screwdriver. Remove metal from the heavy side, until it balances
evenly.
Before reassembling the blade and the blade adapter to the unit, lubricate the engine crankshaft and the inner surface of the
blade adapter with light oil. Install the blade adapter on the crankshaft. Refer Fig.15. Place the blade with the part number facing
away from the adapter. Align the washer over the blade and insert the hex bolt. Tighten the hex bolt to the torque listed below:
13


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