Poulan PRFT22H50A User Manual - Page 23

SERVICE AND ADJUSTMENTS • Route belt on left side, coming from engine pulley, towards back of tractor and through loop in midspan belt keeper. • Place V part of belt into grooves on transaxle and fan idler pulleys, making sure to route belt inside of all belt keepers. • Retighten belt keeper above transaxle pulley. • Place belt around clutching idlers as shown, making sure to route belt inside of all belt keepers. • Check to be sure belt is positioned correctly and is on proper side of all belt keepers. • Reinstall mower. IMPORTANT: CHECK BRAKE ADJUSTMENT. TRACTOR V-BELT DRIVE SCHEMATIC VIEWED FROM L.H. SIDE OF TRACTOR CLUTCH- TRANSAXLE ING IDLER BELT PULLEY CLUTCHING KEEPER ENGINE FLAT IDLER PULLEY ABOVE BELT V-IDLER KEEPER BELT KEEPER BELT TWISTS ENGINE PULLEY BELT KEEPER V-IDLER FAN IDLER AS VIEWED FROM BOTTOM FIG. 27 TO ADJUST MOTION CONTROL LEVER (See Fig. 28) The motion control lever has been preset at the factory and adjustment should not be necessary. If for any reason the motion control lever will not hold its position while at a selected speed, it may be adjusted at the friction pack located on the right side of chassis. • Park tractor on level surface. Stop tractor by turning ignition key to "OFF" position and engage parking brake. • Place motion control lever in neutral (N) position. • While holding locknut, loosen jam nut • Tighten locknut 1/4 turn. • While holding locknut, tighten jam nut securely. NOTE: If for any reason the effort to move the motion control lever becomes too excessive, reverse the above adjustment procedure by loosening locknut 1/4 turn. Road test tractor after adjustment and repeat procedure if necessary. LOCKNUT JAM NUT FIG. 28 TO ADJUST STEERING WHEEL ALIGNMENT If steering wheel crossbars are not horizontal (left to right) when wheels are positioned straight forward, remove steering wheel and reassemble per instructions in the Assembly section of this manual. FRONT WHEEL TOE-IN ADJUSTMENT Front wheel toe-in is required for proper steering operation. Toe-in was set at the factory and adjustment should not be necessary. If parts in the front axle or steering mechanism have been replaced or damaged, check toe-in and adjust if necessary. TO CHECK TOE-IN (See Fig. 29) • Position front wheels straight ahead. • Measure distance between wheels at front and rear of tires (dimensions "A" and "B"). • Front dimension "A" should be 1/8" to 1/4" less than rear dimension "B". TO ADJUST TOE-IN (See Figs. 29 and 30) • Loosen jam nuts at adjustment sleeves on tie rod. • Adjust tie rod until dimension "A" is 1/8" to 1/4" less than dimension "B". • Tighten jam nuts securely. FRONT WHEEL CAMBER The front wheel camber is not adjustable on your tractor. If damage has occurred to affect the front wheel camber, contact your nearest authorized service center/department. B FRONT OF TRACTOR A FIG. 29 TRANSMISSION REMOVAL/REPLACEMENT Should your transmission require removal for service or replacement, it should be purged after reinstallation and before operating the tractor. See "PURGE TRANSMIS- SION" in the Operation section of this manual. 23