Husqvarna FS 520 用户手册

Mainte-

nance free for life of machine.

Transmission Drive Belts:  Remove guards shown in 

diagram as right to access transmission drive belts.

• 

. Check tension when machine is new.
. Re-check tension after - hours of operation 

and re-tighten to original tension if required - see 

steps - below.
. Lossen Bolts that hold Transmission Drive 

Tensioner (V V) in place.  
. Move tensioner (V V) toward rear of machine 

to increase tension.  
. Re-tighten bolts.

Belt and Sheave Wear:  

Check every 0 hours for wear on belt and 

sheaves.  Replace if worn.

• 

Checking tension is not required.  Hydrostatic 

Transmission Belt Tensioner (ZZ) is a spring 

loaded self tensioning idler.  Check for wear or 

damage to idler spring - replace if required.

Belt and Sheave Wear:  

Check every 0 hours for wear on belt and 

sheaves.  Replace if worn.

Replace guards shown in diagram as right before start-

ing engine.