Stihl 036 Instruction Manual - Page 41

• with scale on filing gauge * at nose of Duromatic bars in area used most for cutting on Rollomatic bars - Chain type Pitch Rapid 3/8" minimum groove depth 6.0 mm (0.24") * Special accessory Exhaust emissions are controlled by the design of the fundamental engine parameters and components (e.g. carburetion, ignition, timing and valve or port timing) without the addition of any major hardware. The carburetor is set at the factory to provide an optimum fuel-air mixture under all operating conditions. It enables your machine to run smoothly, be fuel efficient, operate reliably and produce low emissions. H 3/4 L 1/4 LA H L 138BA020 KN If groove depth is less than specified: The drive link tangs will otherwises crape along the bottom of the groove the cutters and tie straps will not ride on the bar rails. • Check the air filter and clean or • replace it if necessary Check the spark arresting screen and clean or replace it if necessary Turn the high speed adjusting H screw counterclockwise up to 3/4 the stop, i.e. 3/4 turn from max. lean setting Turn the low speed adjusting L screw clockwise up to the stop 1/4 - then back off the screw one quarter of a turn If the engine runs unsatisfactorily, slight readjustment may be necessary: Check standard setting •• warm up the engine Turn the high speed adjusting screw and low speed adjusting screw clockwise (leaner) - If you make the setting too lean, the maximum permissible engine speed will be exceeded - risk of engine damage.