Poulan HDF550M User Manual - Page 15
Adjust, Carburetor
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SERVICE AND ADJUSTMENTS FORWARD MOTION (INSIDE) V-BELT ENGINE PULLEY BELT GUIDE TRANSMISSION PULLEY 0 REVERSE IDLER PULLEY BELT GUIDE FORWARD IDLER PULLEY REVERSE (OUTSIDE) V-BELT ENGINE TO ADJUST CARBURETOR The carburetor has been preset at the factory and adjustment should not be necessary. However, engine performance can be affected by differences in fuel, temperature, altitude or load. If the carburetor does need adjustment, contact your nearest authorized service center/department IMPORTANT: NEVERTAMPERWITHTHEENGINEGOVERNOR, WHICH IS FACTORY SET FOR PROPER ENGINE SPEED. OVERSPEEDING THE ENGINE ABOVE THE FACTORY HIGH SPEED SETTING CAN BE DANGEROUS. IF YOU THINK THE ENGINE-GOVERNED HIGH SPEED NEEDS ADJUSTING, CONTACTYOUR NEAREST AUTHORIZED SERVICE CENTER/ DEPARTMENT, WHICH HAS THE PROPER EQUIPMENT AND EXPERIENCE TO MAKE ANY NECESSARY ADJUSTMENTS. REVERSE IDLER PULLEY ENGINE PULLEY FORWARD IDLER PULLEY FRONT VIEW REFERENCE REVERSE IDLER PULLEY IDLER ARM PIN ENGINE PULLEY FIG. 21 REVERSE IDLER PULLEY IDLER ARM PIN FORWARD MOTION (INSIDE) V-BELT ENGINE PULLEY BELT GUIDE REVERSE IDLER ARM REVERSE (OUTSIDE) V-BELT 0 a, 0 04, 0 FORWARD IDLER PULLEY FIG. 22 15 BELT GUARD BOLT TRANSMISSION PULLEY