Poulan HDF825 User Manual - Page 14

To Adjust Carburetor

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SERVICE AND ADJUSTMENTS FORWARD MOTION (INSIDE) V-BELT ENGINE PULLEY BELT GUIDE TRANSMISSION PULLEY REVERSE IDLER PULLEY BELT GUIDE FORWARD IDLER PULLEY REVERSE (OUTSIDE) V-BELT REVERSE IDLER PULLEY ENGINE PULLEY belts_10 FORWARD IDLER PULLEY FRONT VIEW REFERENCE REVERSE IDLER PULLEY IDLER ARM PIN ENGINE PULLEY FIG. 21 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. • Wrap V-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 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, CONTACT YOUR NEAREST AUTHORIZED SERVICE CENTER/ DEPARTMENT, WHICH HAS THE PROPER EQUIPMENT AND EXPERIENCE TO MAKE ANY NECESSARY ADJUSTMENTS. REVERSE IDLER PULLEY IDLER ARM PIN FORWARD MOTION (INSIDE) V-BELT REVERSE IDLER ARM REVERSE (OUTSIDE) V-BELT BELT GUARD BOLT ENGINE PULLEY BELT GUIDE FORWARD IDLER PULLEY FIG. 22 14 TRANSMISSION PULLEY

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14
SERVICE AND ADJUSTMENTS
belts_10
FIG. 22
FORWARD MOTION
(INSIDE) V-BELT
ENGINE PULLEY
REVERSE
IDLER ARM
REVERSE
IDLER PULLEY
IDLER
ARM PIN
FIG. 21
FORWARD
IDLER PULLEY
REVERSE
IDLER
PULLEY
ENGINE PUL-
LEY
FRONT VIEW REFERENCE
REVERSE (OUTSIDE) V-BELT
FORWARD MOTION (INSIDE) V-BELT
TRANSMISSION
PULLEY
BELT GUARD
BOLT
BELT
GUIDE
REVERSE
IDLER PULLEY
IDLER
ARM PIN
ENGINE
PULLEY
REVERSE (OUTSIDE)
V-BELT
FORWARD IDLER
PULLEY
REVERSE
IDLER PULLEY
ENGINE PULLEY
BELT GUIDE
TRANSMISSION
PULLEY
BELT GUIDE
FORWARD
IDLER PULLEY
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:
NEVER TAMPER WITH THE ENGINE GOVERNOR,
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,
CONTACT YOUR NEAREST AUTHORIZED SERVICE CENTER/
DEPARTMENT, WHICH HAS THE PROPER EQUIPMENT AND
EXPERIENCE TO MAKE ANY NECESSARY ADJUSTMENTS.
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.
•
Wrap V-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