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ADJUSTMENT/REPAIR
AUGER SHEAR BOLT REPLACEMENT
The augers are secured to the auger shaft with special bolts that are designed to break if an object becomes lodged in the auger housing. Use of a harder bolt will reduce the protection provided by the shear bolt. To replace a broken shear bolt, proceed as follows:
6.Before installing spark plug, coat threads lightly with graphite grease to insure easy removal.
7.Tighten plug firmly into engine. If torque wrench is avail- able, torque plug to
,_ | WARNING: To insure safety and performance |
| levels, only original replacement shear bolts |
| must be used. |
1.Move throttle to STOP, disengage all controls, discon- nect the spark plug lead wire, and insure all moving parts have stopped.
2.Lubricate the auger shaft zerk fittings (see Lubrication Points in the Maintenance section of this manual).
3.Atign the hole in the auger with the hole in the auger shaft. Install new shear bolt and locknut found in toolbox lo-
cated on belt cover. (See Figure 41 )
SPARK PLUG ADJUSTMENT (SEE FIGURE 42)
NOTICE: This spark ignition system meets all requirements of the Canadian
NOTICE: This engine complies with all current Australian and New Zealand limitations regarding electromagnetic interference.
1.Clean spark plug and reset gap periodically.
2.Clean area around spark plug base before removal, to prevent dirt from entering engine.
3.Replace spark plug if electrodes are pitted or burned or if porcelain is cracked.
4.Clean spark plug by carefully scraping electrodes (do not sandblast or use wire brush).
5.Be sure spark plug is clean and free of foreign material. Check electrodes gap with a wire feeler gauge and reset gap to 0.030" (0.76 mm) if necessary. If a new spark plug is needed, refer to Engine Repair Parts section of this manual for proper replacement spark plug.
Shear Bolt
Figure 41
.030" (0.76 mm) Gap
Figure 42
30 |
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