Poulan HDF550 To Adjust Carburetor, Belt Removal, Belt Replacement, Check Tine Operation, Engine

SERVICE AND ADJUSTMENTS

FORWARD MOTION (INSIDE) V-BELT

ENGINE PULLEY	TRANSMISSION
BELT GUIDE
	PULLEY

REVERSE

IDLER PULLEY

BELT GUIDE	FORWARD
	IDLER PULLEY

REVERSE (OUTSIDE) V-BELT

REVERSE

IDLER

PULLEY

ENGINE PUL-	belts_10
LEY	FORWARD
	IDLER PULLEY

FRONT VIEW REFERENCE

BELT REMOVAL

•Remove reverse idler pulley from idler arm.

•Remove reverse (outside) V-belt.

•Remove forward (inside)V-belt from transmission pulley first and then from engine pulley.

BELT REPLACEMENT

•Install new forward (inside) V-belt to engine pulley first then to transmission pulley. Be sure belt is positioned on inside groove of both pulleys, inside all belt guides and rests on idler pulley.

•Before installing reverse (outside)V-belt, turn belt“inside out”. Twist so wide, flat surface of belt is to inside.

•WrapV-belt around reverse idler pulley and reassemble idler to idler arm. Tighten securely. Be sure belt is between reverse idler pulley and idler arm pin.

•Install belt to outside groove of transmission pulley. Be sure belt is inside all belt guides and rests on outside groove of engine pulley.

CHECK TINE OPERATION

•See “TINE OPERATION CHECK” in this section of manual.

REPLACE BELT GUARD

ENGINE

REVERSE	IDLER
IDLER PULLEY	ARM PIN

ENGINE

PULLEY

FIG. 21

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.

REVERSEREVERSE (OUTSIDE)

REVERSEIDLER ARMV-BELTIDLER PULLEY

IDLER

ARM PINBELT GUARD BOLT

FORWARD MOTION (INSIDE) V-BELT

ENGINE PULLEY

TRANSMISSION

PULLEY

BELT

GUIDE

FORWARD IDLER

PULLEY

FIG. 22

14