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Instructions McCulloch, Modèle MHDF800

Fabricant : McCulloch
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• Loosen (do not remove) tine shield nut on underside of tine shield. • Pull belt guard out and away from unit. • Replace belt guard by reversing above procedure. Be sure slot in bottom of belt guard is under head of tine shield bolt and all nuts are tightened securely. CAP NUTS AND WASH ERS BELT GUARD TINE SHIELD NUT Fig. 20 TO REPLACE V-BELTS (See Figs. 21 and 22) Replace V-belts if they have stretched considerably or if they show cracks or frayed edges. There are two (2) V-belts -forward (inside) and reverse (outside). Belt guard must be removed to service belts. See “TO REMOVE BELT GUARD” in this section of manual. NOTE: Observe carefully routing of both belts and lo ca tion of all belt guides before removing belts. 13 IDLER ARM PIN ENGINE PULLEY IDLER ARM PIN ENGINE PULLEY SERVICE AND ADJUSTMENTS FORWARD MOTION (INSIDE) V-BELT ENGINE PULLEY IDLER ARMREVERSE IDLER PULLEY IDLER ARM PIN TRANS MISSION PUL LEY BELT GUARD BOLT BELT GUIDE V-BELT FORWARD IDLER PUL LEY REVERSE REVERSE (OUTSIDE) FORWARD MOTION (INSIDE) V-BELT ENGINE PULLEY FORWARD REVERSE IDLER PULLEY BELT GUIDE TRANS MISSION PULLEY BELT GUIDE IDLER PULLEY REVERSE (OUTSIDE) V-BELT belts_10ENGINE PUL- FORWARD REVERSE IDLER PULLEY LEY IDLER PULLEY FRONT VIEW REFERENCE REVERSE IDLER PULLEY Fig. 21 BELT REMOVAL • Remove reverse idler pulley from idler arm. • Remove reverse (outside) V-belt. • Remove forward (inside) V-belt from transmission pul ley first and then from engine pulley. BELT REPLACEMENT • Install new forward (inside) V-belt to engine pulley first then to transmission pulley. Be sure belt is positioned on inside groove of both pulleys, inside all belt guides and rests on idler pulley. • Before installing reverse (outside) V-belt, turn belt “in side out”. Twist so wide, flat surface of belt is to inside. • Wrap V-belt around reverse idler pulley and re as semble idler to idler arm. Tighten securely. Be sure belt is between reverse idler pulley and idler arm pin. • Install belt to outside groove of transmission pulley. Be sure belt is inside all belt guides and rests on outside groove of engine pulley. CHECK TINE OPERATION • See “TINE OPERATION CHECK” in this section of manual. REPLACE BELT GUARD ENGINE 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. Fig. 22 14 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. WARNING: 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 ...