Assessments - 3, GPA: 4.3
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Handle height will be different when tiller digs into soil. • First loosen handle lock lever. • Handle can be positioned at different settings between “HIGH” and “LOW” positions. • Retighten handle lock lever securely after adjusting. FIG. 20 HANDLE (LOW POSITION) TIRE CARE CAUTION: When mounting tires, unless beads are seated, over in fl a tion can cause an explosion. • Maintain 20 PSI (1.4 kg/cm2) of tire pressure. If tire pres sures are not equal, tiller will pull to one side. • Keep tires free of gasoline or oil which can damage rubber. TO REMOVE WHEEL (See Fig. 21) • Place blocks under trans mis sion to keep tiller from tipping. • Remove outer side shield by removing nuts “A” and “B”. • Remove inner side shield by removing nuts “C” and “D”. • Remove hairpin clip and clevis pin from wheel. • Remove wheel and tire. • Repair tire and reassemble. tire_4 CLEVIS PIN IN NER SIDE OUTER SIDE SHIELD SHIELD NUT “D” HAIR PIN CLIP NUT “C” NUT “A” NUT “B” FIG. 21 HANDLE LOCK LEVER HANDLE (HIGH POSITION) FIG. 22 SCREW AND WASHER HEX NUT AND WASHER (LOCATED BEHIND TIRE) BELT GUARD SCREW AND WASHER HAIRPIN CLIP AND CLEVIS PIN TO REMOVE BELT GUARD (See Fig. 22) NOTE: For ease of removal, remove hairpin clip and clevis pin from left wheel. Pull wheel out from tiller about 1 inch. • Remove two (2) screws from side of belt guard. • Remove hex nut and washer from bottom of belt guard (located behind wheel). • Pull belt guard out and away from unit. • Replace belt guard by reversing above procedure. SERVICE AND ADJUSTMENTS TO REPLACE GROUND DRIVE BELT (See Fig. 23) • Remove belt guard (See “TO REMOVE BELT GUARD” in this section of this manual). • Remove old belt by slipping off engine pulley first then remove from transmission pulley. • Place new belt in groove of transmission pulley and into engine pulley. BELT MUST BE IN GROOVE ON TOP OF IDLER PULLEY. NOTE POSITION OF BELT TO GUIDES. • Check belt adjustment as described below. • Replace belt guard. • Reposition wheel and replace clevis pin and hairpin clip. GROUND DRIVE BELT ADJUSTMENT (See Fig. 23) For proper belt tension, the extension spring should have about 5/8 inch stretch when drive control bar is in “EN GAGED” position. This tension can be attained as follows: • Loosen cable clip screw securing the drive control cable. • Slide cable forward for less tension and rearward for more tension until about 5/8 inch stretch is obtained while the drive control bar is engaged. • Tighten cable clip screw securely. CABLE CLIP SCREW DRIVE CONTROL CABLE EXTENSION SPRING ENGINE PULLEY IDLER PULLEY TRANS MIS SION 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 exceeds 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. tine_3FIG. 25 TINE TINE 3-1/2" MAX (9 CM) 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 engine_art_78THROTTLE CONTROL AND WIRE 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 formance can be affected by dif fer enc es in fuel, tem pera 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 MAK...