Husqvarna Rider PR 17 Workshop Manual page 72

6. Check that the screw for the chain seg-
ment is in position to lift the micros-
witch's spring arm. Adjust as needed
with the adjustment screws (1+2) on the
drive disc. Repeat step 5 if needed.
7. Lower the cutting unit and set the
microswitch so that it is definitely
actuated by the spring arm.
8. Check that the spring on the pressure
rod applies the blade brake on the belt
pulley.
9. Raise the cutting unit completely by
pulling the mechanical lifting lever.
10. Adjust with the adjustment screw (3)
against the cylindrical pin so that a
distance of 38±2 mm is maintained
between the frame structure and the
outermost corner of the belt adjuster
arm, see illustration. This measurement
applies to new belts and as a starting
point for used belts.
11. Lower the cutting unit completely to the
ground.
12. Check that the connecting rod has play
along the oblong groove in the belt
adjuster. Adjust with the adjustment
screw (3) against the cylindrical pin as
needed (used belt).
13. Check that all lock nuts are tight.
14. Refit the plastic cover.
70
English-
REPAIR INSTRUCTIONS
Microswitch
Lifting lever
Basic measurements, belt adjuster
Connecting rod in the belt adjuster