Husqvarna RB150 Workshop Manual page 11

Drive belt of the cutting
unit is slipping.
Is the grass too high or
too wet?
No
Is the cutting unit fitted
incorrectly?
No
Is the belt worn or
damaged?
No
Is the tensioning spring of
the idler pulley faulty?
Drive belt of the cutting
unit runs off in use.
Is the tensioning spring of
the idler pulley faulty?
No
Is the cutting unit
incorrectly set?
No
Set the cutting unit.
TROUBLE SHOOTING
Raise the cutting unit, or
wait until the grass is dry.
Yes
Fit the cutting unit.
Yes
Replace the belt.
Yes
Replace the tensioning
spring.
Yes
Replace the tensioning
spring.
Yes
Are any of the belt pulleys
of the cutting unit warped
Yes
or damaged?
Are parts of the electric
clutch worn?
Yes
No
Yes
Replace the relevant
pulleys.
Replace the defective
parts.
English – 9
E