Poulan HDR500M User Manual - Page 17

SERVICE AND ADJUSTMENTS TO REMOVE BELT GUARD (See Fig. 27) NOTE: For ease of removal, remove hairpin clip and clevis pin from left wheel. Pull wheel out from tiller about 1 inch (2.5 cm). • 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. BELT GUARD SCREW HEX NUT AND WASHER (LOCATED BEHIND TIRE) SCREW HAIRPIN CLIP AND CLEVIS PIN FIG. 27 TO REPLACE GROUND DRIVE BELT (See Figs. 27 and 28) • Remove belt guard as described in "TO REMOVE BELT GUARD". • 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. 28) For proper belt tension, the extension spring should have about 5/8 inch (16 mm) stretch when drive control bar is in "ENGAGED" 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 (16 mm) stretch is obtained while the drive control bar is engaged. • Tighten cable clip screw securely. ENGINE PULLEY CABLE CLIP SCREW DRIVE CONTROL CABLE IDLER PULLEY LESS TENSION TRANSMISSION PULLEY FIG. 28 EXTENSION SPRING 5/8" MORE TENSION 17