Poulan 1995-03 User Manual - Page 15
General, Maintenance
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GENERAL MAINTENANCE A good maintenance program of regular inspection and care will increase the service life and help to maintain the safety and performance of your saw. • Make all adjustments or repairs (except carburetor adjustment) with: - spark plug wire disconnected. - engine cool as opposed to a saw that has just been • Use only POULAN PRO accessories and replacement parts as recommended. A. GUIDE BAR AND CHAIN Increase the service life of your Guide Bar and Chain by: - Using the saw properly and as recommended in this manual. - Maintaining correct chain tension, page 8. - Proper lubrication. page 9. - Regular maintenance as described in this section. 1 CHAIN MAINTENANCE • Have the chain sharpened by a qualified service dealer when: - mwood chips are small and powdery. Wood chips ode by the saw chain should be about the size of the teeth of the chain. - saw has to be forced through the cut. - saw cuts to one side. IC lAlways wear gloves vvhen handling the chain. The chain can be sharp enough to cut you even though it is too dull to cut wood. 2.GUIDE BAR MAINTENANCE • Conditions which can require guide bar maintenance: - saw cuts to one side. - saw has to be forced through a cut. - inadequate supply of oil toltar and chain. B. SPARK ARRESTOR • Carbon deposits build up on the spark arrestor as the saw is used and must be removed to avoid creating a fire hazard or causing engine damage. • Replace the spark arrestor if breaks occur. • Keep the spark arrestor clean at all times. Clean: -- as required. - at least once for each 25.30 hours of operation. Items required: wire brush, 8 mm or 5/16" wrench. I. Disconnect the spark plug wire. 2. Remove the muffler cover screws and muffler cover. Figure 32. 3. Remove the spark arrestor screen. Figure 32. 4. Clean the screen with a wire brush or replace if breaks are found. C. AIR FILTER • A dirty air filler decreases the life and performance of the engine and may increase fuel consumption and harmful emissions. • Clean the air filter as follows: - check filter after every 20 hours of ppermion. more frequently in very dusty condition• I. Remove the cylinder cover screws end cylinder cover. Figure 33. 2.1'011 out the air filter 3. Wash the filter in snap and water 'CAUTION:filo not use gasoline or any other flammable liquid to clean the filter; doing so can create a fire hazard and produce harmful evaporative emissions. 4. Reverse steps to reassemble. CAE IION,1To avoid damage to the engine, do not operate the unit without the air filter in place. • Check the saw for loose bolts, screws, nuts, and fittings regularly. Loose fasteners can cause an unsafe condition as well as damage to your saw. A WARNING Have all chain saw service performed by a qualified service dealer other than the items listed in the maintenance section of this manual. • Check the condition of the guide bar each time the chain is sharpened. A worn guide bar will damage the chain and make cutting more difficult. • Replace the guide bar when: - the inside groove of guide bar rails is worn. - the guide bar is bent or cracked. See Figure 31. • Use only the replacement Reduced-Kickback Guide Bar specified for your saw in the "Specification" section. a. Remove she guide bar to service. b. Clean the oil holes at least once after every five hours of operation. c. Remove sawdust from the guide bar groove pe0 odically with a putty knife or a wire. rtr File Correct Guide Bar Groove Worn Grooves Figure 31 File Edges Square 5. Reassemble parts. Spark Arrestor Screen Muffler Cover jr, Muffler tL Screws O Cylinder Cover Screws Air Filter Figure 32 Cylinder Cover 63. Figure 33 - 15 -