Poulan 271470 User Manual - Page 21

TROUBLESHOOTING CHART PROBLEM CAUSE Mower blades will • not rotate • • • Obstruction in clutch mechanism. Worn/damaged mower drive belt. Frozen idler pulley. Frozen blade mandrel. CORRECTION • Remove obstruction. • Replace mower drive belt. • Replace idler pulley. • Replace blade mandrel. Poor grass discharge • Engine speed too slow. • Place throttle control in "FAST" position. • Travel speed too fast. • Shift to slower speed. • Wet grass. • Allow grass to dry before mowing. • Mower deck not level. • Level mower deck. • Low/uneven tire air • Check tires for proper air pressure. pressure. • Worn, bent or loose blade. • Replace/sharpen blade. Tighten blade bolt. • Buildup of grass, leaves • Clean underside of mower and trash under mower. housing. • Mower drive belt worn. • Replace mower drive belt. • Blades improperly installed. • Reinstall blades sharp edge down. • Improper blades used. • Replace with blades listed in this manual. • Clogged mower deck vent • Clean around mandrels to holes from buildup of grass, open vent holes. leaves, and trash around mandrels. Headlight(s) not working (if so equipped) • Switch is "OFF". • Bulb(s) burned out. • Faulty light switch. • Loose or damaged wiring. • Blown fuse. • Turn switch "ON". • Replace bulb(s). • Check/replace light switch. • Check wiring and connec- tions. • Replace fuse. Battery will not charge • Bad battery cell(s). • Poor cable connections. • Faulty regulator (if so equipped). • Faulty alternator. • Replace battery. • Check/clean all connec- tions. • Replace regulator. • Replace alternator. Engine "backfires" • when turning engine "OFF" Engine throttle control not set at "SLOW" position for 30 seconds before stopping engine. • Move throttle control to "SLOW" position and allow to idle for 30 seconds before stopping engine. 28 TO LEVEL MOWER HOUSING Adjust the mower while tractor is parked on level ground or driveway. Make sure tires are properly inflated (See "PRODUCT SPECIFICATIONS" section of this manual). If tires are over or underinflated, you will not properly adjust your mower. SIDE-TO-SIDE ADJUSTMENT • Raise mower to its highest position. • At the midpoint of both sides of mower, measure height from bottom edge of mower to ground. Distance "A" on both sides of mower should be the same or within 1/4" of each other. • If adjustment is necessary, make adjustment on one side of mower only. • To raise one side of mower, tighten lift link adjustment nut on that side. • To lower one side of mower, loosen lift link adjustment nut on that side. NOTE: Each full turn of adjustment nut will change mower height about 1/8". • Recheck measurements after adjusting. Bottom edge of mower to ground Bottom edge of mower to ground Check adjustment on right side of tractor. Measure distance "D" directly in front and behind the mandrel at bottom edge of mower housing as shown. • Before making any necessary adjust- ments, check that both front links are equal in length. Both links should be approximately 10-3/8". • If links are not equal in length, adjust one link to same length as other link. • To lower front of mower loosen nut "E" on both front links an equal number of turns. • When distance "D" is 1/8" to 1/2" lower at front than rear, tighten nuts "F" against trunnion on both front links. • To raise front of mower, loosen nut "F" from trunnion on both front links. Tighten nut "E" on both front links an equal number of turns. • When distance "D" is 1/8" to 1/2" lower at front than rear, tighten nut "F" against trunnion on both front links. • Recheck side-to-side adjustment. Mandrel "D" "D" A Ground Line A Both Front Links Should be Equal in Length Suspension Arm Lift Link Adjustment Nut FRONT-TO-BACK ADJUSTMENT IMPORTANT: Deck must be level side-to side. If the following front-to-back adjustment is necessary, be sure to adjust both front links equally so mower will stay level side-to-side. To obtain the best cutting results, the mower housing should be adjusted so that the front is approximately 1/8" to 1/2" lower than the rear when the mower is in its highest position. Nut "F" Trunnion Front Links 21 Nut "E"