Poulan PP4218A Instruction Manual - Page 15

SERVICE WARNING: Disconnect the spark plug before performing maintenance except for carburetor adjustments. We recommend all service and adjustments not listed in this manual be performed by an authorized or Master Service Dealer. HELPFUL TIP IMPORTANT: Have all repairs other than the recommended maintenance described in the instruction manual performed by an authorized service dealer. If any dealer other than an authorized service dealer performs work on the product, Poulan PRO may not pay for repairs under warranty. It is your responsibility to maintain and perform general maintenance. MAINTENANCE SCHEDULE Check: Fuel mixture level . . . . Before each use Bar lubrication Before each use Chain tension Before each use Chain sharpness . . . . . Before each use For damaged parts . . . Before each use For loose caps Before each use For loose fasteners . . . Before each use For loose parts Before each use Inspect and Clean: Bar Before each use Complete saw After each use Air filter Every 5 hours* Chain brake Every 5 hours* Spark arresting screen and muffler Every 25 hours* Replace spark plug . Yearly Replace fuel filter . . . Yearly * Hours of Operation Each hour of operation is approximately 2 tanks of fuel. GENERAL RECOMMENDATIONS The warranty on this unit does not cover items that have been subjected to operator abuse or negligence. To receive full value from the warranty, the operator must maintain unit as instructed in this manual. Various adjustments will need to be made periodically to properly maintain your unit. S Once a year, replace the spark plug, air filter, and check guide bar and chain for wear. A new spark plug and air filter assures proper air-fuel mixture and helps your engine run better and last longer. CHECK FOR DAMAGED OR WORN PARTS Contact an authorized service dealer for replacement of damaged or worn parts. NOTE: It is normal for a small amount of oil to appear under the saw after engine stops. Do not confuse this with a leaking oil tank. S ON/STOP Switch - Ensure ON/STOP switch functions properly by moving the switch to the STOP position. Make sure engine stops; then restart engine and continue. S Fuel Tank - Do not use saw if fuel tank shows signs of damage or leaks. S Oil Tank - Do not use saw if oil tank shows signs of damage or leaks. CHECK FOR LOOSE FASTENERS AND PARTS S Bar Nuts S Chain S Muffler S Cylinder Shield S Air Filter S Handle Screws S Vibration Mounts S Starter Housing S Front Hand Guard CHECK CHAIN SHARPNESS A sharp chain makes wood chips. A dull chain makes a sawdust powder and cuts slowly. See CHAIN SHARPENING. CHECK GUIDE BAR Conditions which require guide bar maintenance: S Saw cuts to one side or at an angle. S Saw has to be forced through the cut. S Inadequate supply of oil to bar/chain. Check the condition of guide bar each time chain is sharpened. A worn guide bar will damage the chain and make cutting difficult. After each use, ensure ON/STOP switch is in the STOP position, then clean all sawdust from the guide bar and sprocket hole. To maintain guide bar: S Move ON/STOP switch to STOP. S Loosen and remove bar nuts and clutch cover. Remove bar and chain from saw. S Clean the oil holes and bar groove after each 5 hours of operation. Remove Sawdust From Guide Bar Groove Oil Holes S Burring of guide bar rails is a normal process of rail wear. Remove these burrs with a flat file. S When rail top is uneven, use a flat file to restore square edges and sides. File Rail Edges and Sides Square Worn Groove 15 Correct Groove