7.8.2.4.
With a flat file, remove burrs from edges and level, off guides.
7.8.3.
Replace the bar whenever (Fig. 18);
7.8.3.1.
The groove is not as deep as the height of the drive links (which must never touch
the bottom);
7.8.3.2.
The inside of the guide is worn enough to make the chain lean to one side.
7.8.4.
To avoid asymmetrical wear on the bar, make sure it is turned over periodically.
7.8.5.
If it should be necessary to turn the bar over or replace it, follow the instructions below (Fig.
19);
7.8.5.1.
Remove the casing, the chain and the bar, carefully following the instructions
provided in Chap. 1.1;
7.8.5.2.
Remove the screw (1) using a cross-head screwdriver and remove the tension
adjuster (2);
7.8.6.
Reassemble the tension adjuster (2) on the other side of the overturned bar, or on the new
bar;
7.8.6.1.
Apply a small amount of “thread locker” on two or three screw threads (1) (following
the instructions provided by the manufacturer), then tighten the screw as far as possible
(1);
7.8.6.2.
Replace the bar, the chain and the casing, following the instructions provided in
section 6.2.
7.9.
Empty and flushing the oil tank (Only if organic oil is used for the chain).
7.9.1.
The use of some types of organic oil may cause deposits or fouling after a certain period of
use.
7.9.2.
If this happens, before leaving the machine unused for a long period of time;
7.9.2.1.
Disassemble the chain and the bar;
7.9.2.2.
Empty the oil tank;
7.9.2.3.
Pour a specific liquid cleanser in the tank, to about half the maximum level;
7.9.2.4.
Close the tank cap and operate the machine until all the cleanser runs out.
7.9.3.
Remember to fill with oil, before using the machine again.
7.10.
Storage.
7.10.1.
After every work period, clean the machine thoroughly to remove all dust and debris, and
repair or replace any faulty parts.
7.10.2.
The machine must be stored in a dry place away from the elements and out of the reach of
children.
7.11.
Extraordinary maintenance.
7.11.1.
All maintenance operations not foreseen in this manual must be performed exclusively by
your dealer.
7.11.2.
All and any operations performed in unauthorised centres or unqualified person will
invalidate the warranty.
When initially assembled, a “thread locker” was inserted on the screw thread to
prevent it from accidentally working loose, this means that a certain amount of
force will be needed to remove the screw; use a clamp to block the bar in place
and always use a suitable sized screwdriver.
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