Husqvarna AR25 Lawn Mower User Manual


 
34 English
MAINTENANCE
Tines and tine shaft
Replacing the tines
1. Turn off the engine and remove the weights.
2. Collapse the handle (applies to model AR19).
3. Note the direction of the tine screw.
4. Remove and replace the tines by undoing the
appropriate stop screw (1). Remove the
setscrew (2) and the tine. Fit a new tine in the
same direction and affix it using the setscrew.
Once the tines have been replaced, tighten the
stop screws.
IMPORTANT INFORMATION
Replace worn nuts so that the screws will keep
the tines in place.
Replacing the tine shaft bearings
1. Turn off the engine and remove the weights.
2. Remove the drive guard cover.
3. Collapse the handle for better access to the
tines (applies to model AR19).
4. Lift the machine about 10 cm. Chock the rear
wheels and insert blocks.
5. Turn the drive chain manually for access to the
master link.
6. Slack the chain by turning the idler adjustment
screw counterclockwise.
7. Remove the master link and free the chain from
the rotor sprocket.
8. Remove the nuts (1) and screws (2 per bearing)
that hold the outer bearings of the tine rotor
shaft in the side panels of the machine (see
illustration).
9. Remove the tine rotor shaft.
10. Remove the tine shaft bearings by undoing the
setscrew on each locking collar. Insert a punch
into the hole beside the setscrew and tap it with
a hammer so that the locking collar turns
opposite the normal rotation direction (see
illustration, principle).
11. Reassemble the machine by following the
instructions above in the reverse order.
12. For instructions on chain replacement and chain
tension adjustment, see chapter Maintenance/
Replacing the chain and Maintenance/
Adjusting chain tension.
8011-172
8011-173
8011-174
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