Assessments - , GPA:
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Fabricante : Snapper
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4.2 IMPELLER REPLACEMENT The impeller is a wear item. The actual wear rate is dependant on the types of debris the machine has been used to pickup. If the machine develops unusual noise and/or vibration STOP the engine immediately. After allowing the engine to cool, proceed with the following steps. 1. In an open area where fumes can safely dissipate, drain fuel into an approved container. 2. Drain engine oil. 3. Remove sparkplug wire from sparkplug and secure away from sparkplug. 4. With engine still attached, remove engine mounting plate from top of impeller housing. 5. Remove bolt from end of engine crankshaft and remove impeller. NOTE: a puller may be required to remove the impeller from the crankshaft. 6. Inspect the impeller blades, hub keyway, key and crankshaft for wear or damage. Contact your authorized dealer if you have any questions about the impeller or associated parts. 7. Install new impeller onto crankshaft. It is recommended that you use a new key and new crankshaft bolt and washer. Torque bolt to 40 ftlb. 8. Reinstall engine plate to top of blower housing. Tighten hardware securely. 9. With sparkplug wire disconnected, pull recoil rope slowly, checking to make sure engine and impeller rotates freely. 10. Connect sparkplug wire. 11. Fill engine crankcase to proper level with oil as specified in the engine owner’s manual 12. Add fuel to tank. 4.3 IMPELLER HOUSING LINER REPLACEMENT (Commercial Models Only) The impeller housing liner is a wear item and can be replaced. To inspect the impeller housing and liner you must first carefully follow the WARNING instructions listed on this page. Open up the discharge door and visually inspect the housing and liner (if equipped) for damage and wear. The liner kit will fit commercial models only and is available through your local authorized dealer. 11 TROUBLESHOOTING PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Engine Will Not Start Using Recoil Starter 1. Fuel tank empty. 1. Fill fuel tank with fresh fuel to proper level. 2. Engine needs choking or priming. 2. Move control to “CHOKE”, press primer. 3. Spark plug wire disconnected. 3. Place spark plug wire onto spark plug. 4. Fuel valve (Honda) turned “OFF”. 4. Turn fuel valve to “ON. 5. Engine speed control in “STOP” position. 5. Move control to “FAST or “CHOKE”. 6. Engine air cleaner dirty/plugged. 6. Service/replace. See Engine Manual. 7. Faulty sparkplug. 7. Replace sparkplug. See Engine Manual. Engine Stalls After Running 1. Choke control in the “CHOKE” position. 1. Move control to “FAST” position. 2. Fuel valve (Honda) turned “OFF”. 2. Turn fuel valve to “ON. 3. Fuel tank empty. 3. Fill fuel tank with fresh fuel to proper level. 4. Engine air pre-cleaner and or air cleaner dirty. 4. Clean free of all debris. 5. Spark plug defective or gap set improperly. 5. Service or replace spark plug. 6. Fuel filter restricted (if equipped). 6. Replace fuel filter. 7. Water, debris or stale fuel in fuel system. 7. Drain and clean fuel system. Engine Loses Power 1. Excessive load on engine. 1. Lessen load. 2. Engine air pre-cleaner or air cleaner dirty. 2. Clean or replace filters. 3. Spark plug faulty. 3. Service or replace spark plug. 4. Water, debris or stale fuel in fuel system. 4. Drain and clean fuel system. Replace filter. 5. Debris build up on engine cooling screen. 5. Clean all debris from engine cooling screen. Engine Backfires When Turned To “STOP” 1. Throttle control set too “FAST”. 1. Set throttle control to “SLOW” and allow engine to idle. Then “STOP” engine.. Excessive Vibration or Noise 1. Damaged, out of balance or bent impeller blades. 1. Contact authorized dealer. 2. Loose impeller or engine components. 2. Tighten impeller bolt, service engine. 3. Loose or missing hardware. 3. Inspect machine, tighten hardware. Poor Vacuum Performance 1. Debris bag dirty or full. 1. Clean and empty bag. 2. Accessory plug missing from nozzle. 2. Install accessory plug. 3. Vacuum inlet set too high or too low. 3. Adjust height. 4. Engine speed control set too low. 4. Increase engine speed. 5. Vacuum inlet or discharge plugged with debris. 5. Remove debris. 12 MAINTENANCE SCHEDULE SUBJECT SERVICE TO BE PERFORMED REFERENCE PAGES EACH USE 5 HOURS 25 HOURS 50 HOURS 100 HOURS EACH SEASON Engine Check Oil Level Page 8 X Engine Initial Oil Change Page 10 X Engine Periodic Oil Change Page 10 X* Air Pre-Cleaner Service Sponge Pre- Cleaner Element Engine Manual X** Air Cleaner Replace Element Engine Manual X** Spark Plug Replace Plugs Engine Manual X Fuel Filter (if equipped) Replace Filter Engine Manual X Engine Cooling System Clean Shrouds & Fins Engine Manual X** Debris Bag/Adapter Clean and inspect Page 8 & 10 X X Inspect Machine Hardware/Vibration Check for loose hardware/vibration Page 10 X *Change oil every 25 hours when operating under heavy load or high temperatures. **Clean more often under dusty conditions or when air debris is present 13 PRODUCT REGISTRATION FORM IMPORTANT: KEEP THIS INFORMATION FOR YOUR PERSONAL ...