TO REPLACE AUGER SHEAR BOLT The augers are secured to the auger shaft with special bolts (see figure below) that are designed to break (to protect the machine) if an object becomes lodged in the auger housing, Use of a harder bolt will destroy the
protection provided by the shear bolt,
" ° | Shear Pin |
ar Bolt
tJJ Spacer
/! /
IMPORTANT: To ensure safety and perfor- mance levels, only original equipment shear bolts should be used. When replacing shear bolts, be sure to replace shear bolt spacers.
To replace a broken shear bolt, proceed as follows:
•Move the throttle to el (STOP) and turn off all controls.
•Disconnect the spark plug wire. Be sure all moving parts have stopped.
) Align the hole in the auger tube with the
hole in the auger shaft, Install the new shear pin and shear bolt spacer found in toolbox on top of belt cover.
NOTE: Spacer fits inside the larger hole in the auger tube.
° Reconnect the spark plug wire.
TO ADJUST CARBURETOR
If you think your carburetor needs adjusting, see your nearest Authorized Craftsman Service Center. Engine performance should not be affected at altitudes up to 7,000 feet. For operation at higher elevations, contact your Authorized Craftsman Service Center. IMPORTANT: Never tamper with the engine governor, which is factory set for proper en- gine speed, Overspeeding the engine above the factory high speed setting can be dangerous. If you think the
high speed needs adjusting, contact your nearest Craftsman Service Center, which
has the proper equipment and experience to make any necessary adjustments.
TO ADJUST OR REPLACE THE
SPARK PLUG
NOTICE: This spark ignition system meets all requirements of the Canadian Interfer-
NOTICE: This engine complies with all cur- rent Australian and New Zealand limitations
regarding electromagnetic interference. If you have difficulty starting your snow thrower, you may need to adjust or replace
the spark plug. Follow the instructions be- low.
Replace the spark plug if the electrodes are
pitted or burned or if the porcelain is cracked.
TO ADJUST:
Clean the spark plug by carefully scrap- ing the electrodes (do not sand blast or use a wire brush).
Be sure the spark plug is clean and free of foreign material. Check the electrodes gap (see figure below) with a wire feeler gauge and reset the gap to ,030 inch if necessary.
TO REPLACE:
°If you need a new spark plug, use only the proper replacement spark plug (See page 14)o
,, Set the gap to .030 inches.
•Before installing the spark plug, coat its threads lightly with oil or grease to insure easy removal.
°Tighten the plug firmly into the engine,
°if a torque wrench is available, torque the plug to 18 to 23 ft. - Ibs.
21
