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II-12. Trouble shooting<br />
20<br />
Problem Possible cause Solution<br />
Wrong type of carrier used<br />
or mesher not correctl y<br />
adjusted<br />
Check the type of carrier<br />
(V10 or V15) <strong>and</strong> re-adjust<br />
the mesher if needed (section<br />
II-5)<br />
Turning the h<strong>and</strong>l e<br />
requires too much force<br />
Bearings are dr y<br />
Screws at the bottom of<br />
the mesher are fi xed too<br />
tight<br />
Appl y oil (section II-4)<br />
Loosen these screws a little<br />
more (section II-5-B).<br />
Graft is not cut properly<br />
Graft slips over carrier<br />
during cutti ng<br />
The carrier is not moved<br />
through the mesher<br />
while turning the h<strong>and</strong>l e<br />
Graft is cut into<br />
separated stripes; no<br />
slits are cut<br />
The grooves of two<br />
different <strong>carriers</strong> do not<br />
connect to each other<br />
Wrong type of carrier used<br />
(V10 instead of V15) or<br />
mesher not correctly<br />
adjusted<br />
Blades are blunt<br />
Carrier was used too many<br />
times<br />
Bridge not closed pr operly<br />
In case dermal side down:<br />
graft is too thick (fatty layer<br />
present at the dermal side<br />
of the graft)<br />
The bl ades axis turns, but<br />
the blades do not rotate,<br />
because the nuts (no. 4 in<br />
fig. 12) are not fi xed tight<br />
enough.<br />
Carrier was placed in the<br />
mesher upside down (flat<br />
side up)<br />
Two <strong>carriers</strong> of different<br />
expansion ratio were used<br />
The second carrier was put<br />
in the mesher 180 o turned<br />
with r espect to the first<br />
carrier<br />
Check the type of carrier<br />
(V10 or V15) <strong>and</strong> re-adjust<br />
the mesher if needed (section<br />
II-5)<br />
Replace blades or cutting<br />
axis<br />
Replace carrier for a new one<br />
Check <strong>and</strong> cl ose bridge <strong>and</strong><br />
tighten screws<br />
Harvest new, thinner graft<br />
Try to remove fatty layer <strong>and</strong><br />
try again<br />
Put the graft on the carrier<br />
epidermal si de down <strong>and</strong> tr y<br />
again<br />
Tighten the nuts (no. 4 i n fig.<br />
12), usi ng spanners 16 <strong>and</strong><br />
13 mm (0.51 <strong>and</strong> 0.63”), see<br />
section II-7, <strong>and</strong> check blades<br />
on rotation.<br />
Put carrier in the mesher with<br />
the grooved si de up<br />
Replace <strong>carriers</strong> by two<br />
<strong>carriers</strong> of the same<br />
expansion ratio <strong>and</strong> tr y again<br />
Turn the second carrier 180 o<br />
<strong>and</strong> try again.
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