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7.2.9 Use of the tensioner
It is very important to use the chain tensioner correctly. The tensioner must be adjusted
according to the working conditions.
IMPORTANT:
Incorrect adjustment of the tensioner can result in the machine stops while working,
either due to the track block or from jumping out of their rail.
On the left, the work condition is on level ground, but
with obstacles that can be trapped in the track which
causes a drive stop.
In this situation, it is advisable to release the tensor by
lifting the locking bracket. If an obstacle occurs between
the track belt and the wheels, the wheel can slide and
leave the obstacle to pass.
On the right is a steeply sloping job on a grassy floor. The rails are heavily pushed on
the sides and tend to come out of the guides.
In this condition, it is advisable to insert the tensor lock by lowering the locking bracket.
With a strong side-shift, the block does not leave any space between the rail and the
wheels and does not allow the rail to come out of the guides.
7.2.10 Protection chain, rubber protection
The debris chains as well as the Rubber and Metal flap-guards which are in the front and
rear side of the mower deck are safety components. They must be always efficient to
assure the safety around the mower. They should be checked before starting the daily
operations and in any case every 50 hours as recommended by the maintenance sche-
dule. If any of those are bent or missing, they should be restored by the new original part
before start working
DANGER:
Do not attempt to start working without Chain, Rubber, and Metal flap-guards. The
object launched by the blade could hit somebody and cause severe injuries and
even death.
7 - MAINTENANCE
SEZIONE 7 - MAINTENANCE
A - Unlock
With loose stones
B - Lock
With slope
Fig. 32
41
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