Poulan PR100 Owner Manual - Page 13

Servicing Your Engine CONTINUED SNOW ENGINE OIL CHANGE PROCEDURE 1. Begin the oil change with a cold engine. 2. Start and run the engine for 1-2 minutes. 3. Turn the engine off. 4. Place the rocker switch in the stop position. 5. Remove the snow safety key. 6. The body of the oil drain tube (if equipped) should be supported as the oil drain plug is removed. Support the body of the oil drain tube with a 14mm wrench in a clockwise direction. Loosen the 10mm oil drain plug by turning it counter-clockwise. Remove the oil drain plug and crush washer. 7. Drain the oil completely. 8. Verify the oil drain tube (if equipped) is tight in the engine cylinder block: 36 NM & 320-330 in. lbs. 9. Reinstall the oil drain plug and crush washer. The crush washer must be reinstalled between the oil drain tube and oil drain plug to prevent oil leakage. Tighten the oil drain plug to 31 NM & 270-280 in. lbs. 10.Refill the crankcase with the proper oil type and amount. 11. Checking oil with a dip stick; screw the dip stick cap down tightly, then remove and check oil level. ENGINE OIL RECOMMENDATIONS • Engine oil affects performance and service life. Use 4-cycle automotive detergent oil. • 5W-30 oil is recommended for general use (synthetic oil is an acceptable alternative). • The SAE oil viscosity and service classification are in the API label on the oil container. Use API SERVICE category SJ engine oil, or higher. SYNTHETIC SPARK PLUG MAINTENANCE F6RTC (Torch) Plug Recommended / F6RTP (Platinum) Optional Cross References: • Champion plug cross reference is: RN9YC (some tables show RN9YCC) • NGK plug cross reference: BPR6ES • BOSCH plug cross reference is: WR6DC • NOTICE Using an incorrect spark plug may cause engine damage. Changing the Spark Plug Engine Oil Capacities: 136cc / 179cc / 208cc 254cc 291cc / 306cc 369cc / 414cc / 420cc 16 oz (.473 liter) 20 oz (.591 liter) 32 oz (.946 liter) 38 oz (1.123 liter) Note: Total oil capacity could be as much as 4 additional ounces over volumes above due to engine mounting angle and proper draining. WARNING The heater box may be hot and must be allowed to cool completely before touching. Muffler and components inside heat shield may be HOT! Allow to cool before servicing the spark plug or any area inside and around the heat shield. 1. When engine is cool, remove safety key. 2. Disconnect the spark plug cap and remove any debris from the spark plug area with high pressure air. 3. Remove the spark plug with a 13/16-inch spark plug wrench. 4. Inspect the spark plug. Replace it if the electrodes are worn or if the insulator is cracked or chipped. Spark plug gap should be set to 0.027 - 0.030 inches. 5. Install the spark plug carefully to avoid cross threading. Screw in spark plug by hand until it stops turning. 6. Tighten the spark plug with a 13/16-inch spark plug wrench. Tighten 1/4 turn after the spark plug seats. • NOTICE A loose spark plug can overheat and damage the engine. Over-tightening the spark plug can damage the threads in the cylinder head. 7. Attach the spark plug cap. Ensure spark plug cap snaps into place securely. 8. Reinstall Safety Key before attempting to start engine. rev. 01/04/16 Snow Engine Manual 10