Poulan 1990-10 User Manual - Page 20
Poulan 1990-10 Manual
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D. TROUBLE SHOOTING CHART SYMPTOM CAUSE REMEDY Engine will not start or will run only for a few seconds after starting. 1. Fuel tank empty 2. Engine flooded. 3. Spark plug not firing. 4. Fuel not reaching carburetor. 5. Carburetor requires adjustment. 6. Ignition Switch OE 7. None of the above. 1. Fill tank with correct fuel mixture 2. See "Starting Instructions." 3. Install new plug/check ignition system. 4. Clean fuel filter; inspect fuel line. 5. See "Carburetor Adjustments." 6. Move switch to the "START" position. 7. Contact your Authorized Service Dealer. Engine will not idle properly. 1. Idle speed set too fast or too slow 2. Low speed mixture requires adjustment. 3. Crankshaft seals worn. 4. Compression low. 5. None of the above. 1. See "Carburetor Adjustments." 2. See "Carburetor Adjustments." 3. Contact your Authorized Service Dealer. 4. Contact your Authorized Service Dealer. 5. Contact your Authorized Service Dealer. Engine will not accelerate,lacks power, or dies under a load. Engine smokes excessively. 1. Air filter dirty. 2. Spark plug fouled. 3. Carburetor requires adjustment. 4. Exhaust ports or muffler outlets plugged. 5. Compression low. 6. None of the above. 1. Air filter dirty. 2. Fuel mixture incorrect. 3. High speed mixture requires adjustment. 4. Choke partially on. 5. Crankcase leak. 1. Clean or replace air filter. 2. Clean or replace spark plug and re-gap. 3. See "Carburetor Adjustments." 4. Contact your Authorized Service Dealer. 5. Contact your Authorized Service Dealer. 6. Contact your Authorized Service Dealer. 1. Clean or replace air filter. 2. Refuel with correct fuel mixture. 3. See "Carburetor Adjustments." 4. Push Choke knob in. 5. Contact your Authorized Service Dealer. Engine runs hot. 1. Fuel mixture incorrect. 2. High speed mixture set too low (Lean). 3. Spark plug incorrect. 4. Exhaust ports or muffler outlets plugged. 5. Carbon build-up on muffler outlet screen. 6. Fan housing/cylinder fins dirty. 7. None of the above. 1. See "Fueling Your Unit." 2. See "Carburetor Adjustments." 3. Replace with correct plug. 4. Contact your Authorized Service Dealer. 5. Clean spark arrestor screen. 6. Clean area. 7. Contact your Authorized Service Dealer. Oil inadequate for bar and chain lubrication. 1. Oil tank empty. 2. Improperly adjusted oiler. 3. Oil pump or oil filter clogged. 4. Guide bar oil hole blocked. 1. Fill oil tank. 2. Adjust oiler. 3. Contact your Authorized Service Dealer. 4. Remove bar and clean. Chain moves at Idle Speed.. 1. Idle speed requires adjustment. 2. Clutch requires repair. 1. See "Carburetor Adjustments." 2. Contact your Authorized Service Dealer. Chain does not move when engine is accelerated. Chain clatters or cuts roughly. 1. Chain off sprocket/chain tension too tight 2. Carburetor requires adjustment. 3. Guide bar rails pinched. 4. Clutch slipping. 5. Chain brake engaged. 1. Chain tension incorrect. 2. Cutters damaged. 3. Chain worn. 4. Cutters dull, improperly sharpened, or depth gauges too high. 5. Sprocket worn. 1. Reinstall chain and check tension. 2. See "Carburetor Adjustments." 3. Repair or replace. 4. Contact your Authorized Service Dealer. 5. Disengage chain brake. 1. See "Chain Tension." 2. Contact your Authorized Service Dealer. 3. Resharpen or replace chain. 4. See the chain sharpening instructions. 5. Contact your Authorized Service Dealer. Chain stops within the cut. 1. Chain cutter tops not filed flat. 2. Guide bar burred or bent; rails uneven. 3. Clutch slipping. 1. See the chain sharpening instructions. 2. Repair or replace guide bar. 3. Contact your Authorized Service Dealer. Chaincuts at an angle. 1. Cutters damaged on one side. 2. Chain dull on one side. 3. Guide bar bent or worn. 1. Resharpen until all cutters have equal angles and lengths. 2. Resharpen until all cutters have equal angles and lengths. 3. Replace guide bar. - 20 -