Poulan PR20PH42STC User Manual - Page 22

SERVICE AND ADJUSTMENTS BELT INSTALLATION • Work belt around both mandrel pulleys and idler pulleys. • Make sure belt is in all pulley grooves and inside all belt guides. • Install mower (See "To Install Mower" in this section of manual). MANDREL PULLEY IDLER PULLEYS MANDREL PULLEY FIG. 23 TO ADJUST BRAKE (See Fig. 24) Your tractor is equipped with an adjustable brake system which is mounted on the side of the transaxle. If tractor requires more than six (6) feet stopping distance at high speed in highest gear on a level dry concrete or paved surface, then brake must be adjusted. • Depress clutch/brake pedal and engage parking brake. • Measure distance between brake operating arm and nut "A" on brake rod. • If distance is other than 1-3/4", loosen jam nut and turn nut "A" until distance becomes 1-3/4". Retighten jam nut against nut "A". • Road test tractor for proper stopping distance as stated above. Readjust if necessary. If stopping distance is still greater than six (6) feet in highest gear, further maintenance is necessary. Contact your nearest authorized service center/department. WITH PARKING BRAKE "ENGAGED" 1-3/4" NUT "A" TO REPLACE MOTION DRIVE BELT (See Fig. 25) Park the tractor on level surface. Engage parking brake. For assistance, there is a belt installation guide decal on bottom side of left footrest. BELT REMOVAL • Remove mower (See "TO REMOVE MOWER" in this section of manual). NOTE: Observe entire motion drive belt and position of all belt guides and keepers. • Disconnect clutch wire harness. • Remove clutch locator. • Remove belt from stationary idler and clutching idler. • Remove belt downward from engine pulley and around electric clutch. • Pull belt slack toward rear of tractor. Carefully remove belt upwards from transmission input pulley and over cooling fan blades. • Remove belt from center span keeper and pull belt away from tractor. BELT INSTALLATION • Carefully work new belt down around transmission cool- ing fan and onto the input pulley. • Slide belt into the center span keeper. • Pull belt toward front of tractor and roll belt around electric clutch and onto engine pulley. • Install belt through stationary idler and clutching idler. • Reinstall clutch locator and tighten nut securely. • Reconnect clutch harness. • Make sure belt is in all pulley grooves and inside all belt guides and keepers. • Install mower (See "TO INSTALL MOWER" in this section of manual). ELECTRIC CLUTCH CLUTCHING IDLER STATIONARY IDLER CLUTCH LOCATOR JAM NUT OPERATING ARM CENTER SPAN KEEPER TRANSMISSION INPUT PULLEY CLUTCH WIRE HARNESS FIG. 25 DO NOT TOUCH THIS NUT. IF FURTHER BRAKE ADJUSTMENT IS NECESSARY CONTACT YOUR NEAREST AUTHORIZED SERVICE CENTER/DEPARTMENT FIG. 24 22