McCulloch MHDF800 Manuel D’Utilisation

belts_10

The carburetor has been preset at the factory and ad just ment 

should not be necessary.  However, engine per for mance 

can be affected by dif fer enc es in fuel, tem per a ture, al ti tude 

or load.  If the carburetor does need ad just ment, contact 

your nearest authorized service center/de part ment

IMPORTANT:  NEVER TAMPER WITH THE ENGINE GOVERNOR, 

WHICH IS FACTORY SET FOR PROPER ENGINE SPEED.  

OVER SPEED ING 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 EQUIP MENT AND 

EXPERIENCE TO MAKE ANY NEC ES SARY ADJUSTMENTS.

•  Remove reverse idler pulley from idler arm.
•  Remove reverse (outside) V-belt.
• 

Remove forward (inside) V-belt from transmission pul ley 

first and then from engine pulley.

• 

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 “in side 

out”.  Twist so wide, flat surface of belt is to inside.

• 

Wrap V-belt around reverse idler pulley and re as semble 

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.

•  See “TINE OPERATION CHECK” in this section of 

manual.