Poulan PO15538LT User Manual - Page 25

TROUBLESHOOTING POINTS PROBLEM Excessive vibration CAUSE 1. Worn, bent or loose blade. 2. Bent blade mandrel. 3. Loose/damaged part(s). CORRECTION 1. Replace blade. Tighten blade bolt. 2. Replace blade mandrel. 3. Tighten loose part(s). Replace damaged parts. Engine continues to run when operator leaves seat with attachment clutch engaged 1. Faulty operator-safety presence control system. 1. Check wiring, switches and connections. If not corrected, contact an authorized service center/ department. Poor cut - uneven Mower blades will not rotate 1. Worn, bent or loose blade. 2. Mower deck not level. 3. Buildupofgrass,leaves,ortrashundermower. 4. Bent blade mandrel. 5. Clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels. 1. Obstruction in clutch mechanism. 2. Worn/damaged mower drive belt. 3. Frozen idler pulley. 4. Frozen blade mandrel. 1. Replace blade. Tighten blade bolt. 2. Level mower deck. 3. Clean underside of mower housing. 4. Replace blade mandrel. 5. Clean around mandrels to open vent holes. 1. Remove obstruction. 2. Replace mower drive belt. 3. Replace idler pulley. 4. Replace blade mandrel. Poor grass discharge Headlight(s) not working (if so equipped) 1. Engine speed too slow. 1. Place throttle control in "FAST" position. 2. Travel speed too fast. 2. Shift to slower speed. 3. Wet grass. 3. Allow grass to dry before mowing. 4. Mower deck not level. 4. Level mower deck. 5. Low/uneven tire air pressure. 5. Check tires for proper air pressure. 6. Worn, bent or loose blade. 6. Replace blade. Tighten blade bolt. 7. Buildup of grass, leaves and trash under mower. 7. Clean underside of mower housing. 8. Mower drive belt worn. 8. Replace mower drive belt. 9. Blades improperly installed. 9. Reinstall blades sharp edge down. 10. Improper blades used. 10. Replace with blades listed in parts manual. 11. Clogged mower deck vent holes from buildup 11. Clean around mandrels to open vent holes. of grass, leaves, and trash around mandrels. 1. Switch is "OFF". 2. Bulb(s) or lamp(s) burned out. 3. Faulty light switch. 4. Loose or damaged wiring. 5. Blown fuse. 1. Turn switch "ON". 2. Replace bulb(s) or lamp(s). 3. Check/replace light switch. 4. Check wiring and connections. 5. Replace fuse. Battery will not charge 1. Bad battery cell(s). 2. Poor cable connections. 3. Faulty regulator (if so equipped). 4. Faulty alternator. 1. Replace battery. 2. Check/clean all connections. 3. Replace regulator. 4. Replace alternator. Loss of drive Engine "backfires" when turning engine "OFF" Engine dies when tractor is shifted into reverse 1. Debris on steering plate (if equipped). 2. Motion drive belt worn, damaged, or broken. 3. Axle key missing. 1. Engine throttle control not set between half and full speed (fast) position before stopping engine. 1. Reverse operation system (ROS) is not "ON" while mower or other attachment is engaged. 1. See "CLEANING" in the maintenance section. 2. Replace motion drive belt. 3. Install axle key at rear wheel. See "TO REMOVE WHEEL" in the Service and Adjustments section. 1. Move throttle control between half and full speed (fast) position before stopping engine. 1. Turn ignition key to ROS "ON" position. See Operation section. 25