Poulan PB24H48YT User Manual - Page 22

SERVICE AND ADJUSTMENTS NOTE: Each full turn of the adjustment nut will change mower height about 1/8". • Recheck measurements, adjust if necessary until front tip of blade is 1/8" to 1/2" lower than the rear tip. • Hold adjustment nut in position with wrench and tighten jam nut securely against adjustment nut. TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 29) MOWER DRIVE BELT REMOVAL • Park tractor on a level surface. Engage parking brake. • Lower attachment lift lever to its lowest position. • Disengage belt tension rod (K) from lock bracket (L). CAUTION: Belt tension rod is spring loaded. Have a firm grip on rod and release slowly. • Remove screws (P) from mandrel covers (Q) and remove covers. • Remove any dirt or grass clippings which may have accumulated around mandrels and entire upper deck surface. • Remove belt from electric clutch pulley (M), both mandrel pulleys (R) and all idler pulleys (S). MOWER DRIVE BELT INSTALLATION • Install belt around all mandrel pulleys (R) and around idler pulleys (S) as shown. • Install belt onto electric clutch pulley (M). IMPORTANT: Check belt for proper routing in all mower pulley grooves. • Reassemble mandrel covers (Q). Securely tighten all screws. • Engage belt tension rod (K) on locking bracket (L). CAUTION: Belt tension rod is spring loaded. Have a tight grip on rod and engage slowly. • Raise attachment lift lever to highest position. P Q K L P M R Q TO REPLACE MOTION DRIVE BELT (See Fig. 30) 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 (A). • Remove anti-rotation link (B) on right side of tractor. • Remove belt from stationary idler (C) and clutching idler (D). • Remove belt from centerspan idler (E). • Pull belt slack toward rear of tractor. Carefully remove belt upwards from transmission input pulley and over cooling fan blades (F). • Remove belt downward from engine pulley and around electric clutch (G). • Slide belt toward rear of tractor, off the steering plate (H) and remove from tractor. BELT INSTALLATION • Install new belt from tractor rear to front, over the steer- ing plate (H) and above clutch brake pedal shaft (J). • Pull belt toward front of tractor and roll belt around electric clutch and onto engine pulley (G). • Pull belt toward rear of tractor. Carefully work belt down around transmission cooling fan and onto the input pulley (F). Be sure belt is inside the belt keeper. • Install belt on centerspan idler (E). • Install belt through stationary idler (C) and clutching idler (D). • Reinstall anti-rotation link (B) on right side of tractor. Tighten securely. • Reconnect clutch harness (A). • 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). R S R FIG. 29 22