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• Tighten cable clip screw securely. CABLE CLIP SCREW DRIVE CONTROL CABLE EXTENSION SPRING ENGINE PULLEY IDLER PULLEY TRANS MISSION PULLEY LESS TEN SION 5/8" MORE TEN SION FIG. 23 15 SERVICE AND ADJUSTMENTS TINE REPLACEMENT (See Figs. 24, 25, and 26) CAUTION: Tines are sharp. Wear gloves or other protection when handling tines. A badly worn tine causes your tiller to work harder and dig more shallow. Most important, worn tines cannot chop and shred organic matter as effectively nor bury it as deeply as good tines. A tine this worn needs to be replaced. NEW TINE WORN TINE FIG. 24 • To maintain the superb tilling performance of this ma chine the tines should be checked for sharpness, wear, and bending, particularly the tines which are next to the transmission. If the gap between the tines ex ceeds 3-1/2 inches (9 cm), they should be replaced or straight ened as necessary. • New tines should be assembled as shown in Fig. 26. Sharp ened tine edges will rotate rearward from above. FIG. 25 tine_3TINE TINE 3-1/2" MAX (9 CM) TRANS MISSION tine_13SHARP EDGE HAIRPIN CLIP SHARP EDGES COUNTER TINE ROTATION 02050SHARP EDGES SHARP EDGE SHEAR PIN SHEAR PIN HAIRPIN CLIP SHARP EDGE FIG. 26 16 SERVICE AND ADJUSTMENTS ENGINE TO ADJUST THROTTLE CONTROL CABLE (See Fig. 27) The throttle control has been preset at the factory and ad just ment should not be necessary. If adjustment is necessary, proceed as follows: • With engine not running, move remote throttle control lever to “FAST” position. • If throttle lever on engine touches high speed stop, no further adjustment is necessary. If throttle lever does not touch high speed stop, continue with adjustment procedure. • Loosen cable clamp screw. • Move throttle lever up until it touches high speed stop, and hold in this position. • Tighten cable clamp screw securely. CLAMP SCREW CASING AND WIRE engine_art_78 THROTTLE CONTROL FIG. 27 TO AD JUST CARBURETOR The carburetor has been preset at the factory and ad just ment should not be necessary. However, engine per for mance can be affected by dif fer enc es in fuel, tem per a ture, al ti tude or load. If the carburetor does need ad just ment, contact your nearest authorized service center/de part ment IMPORTANT: NEVER TAMPER WITH THE ENGINE GOVERNOR, WHICH IS FACTORY SET FOR PROPER ENGINE SPEED. OVER SPEED ING THE ENGINE ABOVE THE FACTORY HIGH SPEED SETTING CAN BE DANGEROUS. IF YOU THINK THE ENGINE-GOVERNED HIGH SPEED NEEDS ADJUSTING, CONTACT YOUR NEAREST AUTHORIZED SERVICE CENTER/ DEPARTMENT, WHICH HAS THE PROPER EQUIP MENT AND EXPERIENCE TO MAKE ANY NEC ESSARY ADJUSTMENTS. 17 STORAGE Immediately prepare your tiller for storage at the end of the season or if the unit will not be used for 30 days or more. CAUTION: Never store the tiller with gasoline in the tank inside a build ing where fumes may reach an open flame or spark. Allow the engine to cool before storing in any enclosure. TILLER • Clean entire tiller (See “CLEANING” in the Maintenance section of this manual). • Inspect and replace belts, if nec es sary (See belt replace ment in struc tions in the Service and Ad just ments section of this manual). • Lubricate as shown in the Maintenance section of this manual. • Be sure that all nuts, bolts and screws are securely fastened. Inspect moving parts for damage, break age and wear. Replace if necessary. • Touch up all rusted or chipped paint surfaces; sand lightly before painting. ENGINE FUEL SYSTEM IMPORTANT: IT IS IMPORTANT TO PREVENT GUM DEPOSITS FROM FORMING IN ESSENTIAL FUEL SYSTEM PARTS SUCH AS THE CARBURETOR, FUEL FILTER, FUEL HOSE, OR TANK DURING STORAGE. ALSO, EXPERIENCE INDICATES THAT ALCOHOL BLENDED FUELS (CALLED GASOHOL OR USING ETHANOL OR METHANOL) CAN ATTRACT MOISTURE WHICH LEADS TO SEPARATION AND FORMATION OF ACIDS DURING STORAGE. ACIDIC GAS CAN DAMAGE THE FUEL SYSTEM OF AN ENGINE WHILE IN STORAGE. • Empty the fuel tank by starting the engine and let it run until the fuel lines and carburetor are empty. • Never use engine or carburetor cleaner products in the fuel tank or permanent. • Use fresh fuel next season. NOTE: Fuel stablizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage. Add stabilizer to gasoline in fuel tank or storage container. Always follow the mix ratio found on stablizer container. Run engine at least 10 minutes after adding stablizer to allow the stabilizer to reach the carburetor. Do not empty the gas tank and carburetor if using fuel stabilizer. ENGINE OIL Drain oil (with engine warm) and replace with clean oil. (See “ENGINE” in the Maintenance section of this man ual). CYLINDER(S) • Remove spark plug. • Pour 1 ounce (29 ml) of oil through spark plug hole into cylinder. • Pull starter handle slowly several times to distribute oil. • Replace with new spark plug. OTHER • Do not store gasoline from one season to another. • Replace your gasoline can if your can starts to rust. Rust and/or dirt in your gasoline will cause problems. • If possible, store you...