Poulan C20H42YT User Manual - Page 20
To Replace Mower Drive Belt, See Fig. 26
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SERVICE AND ADJUSTMENTS PRECISION SIDE-TO-SIDE ADJUSTMENT (See Fig. 23) • With all tires properly inflated, park tractor on level ground or driveway. CAUTION: Blades are sharp. Protect your hands with gloves and/or wrap blade with heavy cloth. • Raise mower to its highest position. • At both sides of mower, position blade at side and measure the distance (A) from bottom edge of blade to the ground. The distance should be the same on both sides. • If adjustment is necessary, see steps in Visual Adjustment instructions above. • Recheck measurements, adjust if necessary until both sides are equal. 02966 A A FIG. 23 FRONT-TO-BACK ADJUSTMENT (See Figs. 24 and 25) IMPORTANT: Deck must be level side-to-side. To obtain the best cutting results, the mower blades should be adjusted so the front tip is 1/8" to 1/2" lower than the rear tip when the mower is in its highest position. CAUTION: Blades are sharp.Protect your hands with gloves and/or wrap blade with heavy cloth. • Raise mower to highest position. • Position any blade so the tip is pointing straight forward. Measure distance (B) to the ground at front and rear tip of the blade. • If front tip of blade is not 1/8" to 1/2" lower than the rear tip, go to the front of tractor. • With an 11/16" or adjustable wrench, loosen jam nut A several turns to clear adjustment nut B. • With a 3/4" or adjustable wrench, turn front link adjustment nut (B) clockwise (tighten) to raise the front of mower, or, counterclockwise (loosen) to lower the front mower. B A Tighten adjust nut B to raise mower Loosen adjust nut B to lower mower 02950 Loosen jam nut A first FIG. 25 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 DRIVE BELT (See Fig. 26) MOWER DRIVE BELT REMOVAL • Park tractor on a level surface. Engage parking brake. • Lower attachment lift lever to its lowest position. • 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. • Raise attachment lift lever to highest position. 02548 B B FIG. 24 20