Yard force YF22ESSPV Manual Del Operador página 28

2. Always attach the blade with the angled ends pointing up in the direction of the engine. (Fig. 27)
3. Use a block of wood between the blade and product housing. Tighten the blade bolt and turn it
clockwise. (Fig. 28)
4. Always tighten the bolt with a torque of 33–40 ft-lb (45–55 Nm).
5. Make sure the spark plug cable is disconnected from the engine.
CAUTION: To prevent accidental start, always disconnect the spark plug cable and put the wire
where it cannot touch the spark plug.
6. Pull the blade around by hand and make sure it rotates freely.
TO MAINTAIN THE SPARK PLUG(Fig. 29)
1. Once the engine has cooled, pull off the spark cover with a twist.
2. Remove the spark plug using a spark plug wrench (not supplied).
3. Clean the spark plug with a wire brush (not supplied).
4. Using a feeler gauge, set the gap to 0.018"-0.024" (0.467–0.61 mm).
5. Install the spark plug carefully by hand to avoid cross-threading.
6. After the spark plug is seated, tighten with the spark plug wrench to compress the washer.
MAINTENANCE
0.467–0.61 mm
0.018"-0.024"
27
Fig. 27
Fig. 28
Fig. 29