TRAPP TRF 50 Manual De Instrucciones página 51

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Fig. 9
Sharpening of cutting blades
TRAPP shredders leave factory with temperate
cutting blades.
Sharpen the cutting blades when the edge is dull.
Sharpen the side indicated only (figure 10), trying to
keep its original inclination. Whenever sharpening,
be careful to remove the same amount of material
from each cutting blade to keep balance and to
avoid vibrations of the axle unit. The cutting blades
shall be substituted whenever optimum sharpening
is no longer possible.
Correct side for
sharpening
Merely illustrative image
Fig. 10
Hammers
Some shredder models are provided with mobile
hammers. Hammers are provided with 4 dented
corners which position can be changed as they
wear out (figure 11).
To change position of hammers or to substitute
them, remove the axle (1) counterpins and the lock
(2) (figure 12). Remove them through the opening
in the green crop feeder. When removing them,
to avoid unbalance and vibration of the shredder,
always observe the position of the separating rings.
Be careful not to mix the hammer sets (sides).
Replace or change the mobile hammer side on a
stepwise way; after completing an axle, proceed to
the following one:
Merely illustrative image
13
Note:
Perform this procedure with the

equipment off, in case of excessive
vibration when mounting the hammers,
turn the machine off and check the
mobile hammers position and correct
if it is wrong, if vibration persists
contact an Authorized TRAPP Technical
Assistant.
Fig. 11
1
2
Fig. 12
Tichtening of screws
Due to the impact and constant vibrations
caused by chopping and grinding of
materials, it is a natural tendency for
screws to loosen.
Check them periodically, and if necessary
tighten the loose screws. Be careful not to
overtighten as they may strip.
Attention!
Always turn off shredder and unplug it before
servicing or cleaning.
Merely illustrative image
51