Husqvarna TE 310 2010 Guide D'utilisation Et D'entretien page 152

BRAKE DISC WEAR
Measure the thickness of each disc at the point where it has
worn the most. Replace the disc if it has worn past the service
limit.
Disc Thickness
SERVICE
DISC STANDARD
Front 3 mm
0.118 in
(TE-TC-TXC)
Front 5 mm
(SMR) 0.197 in
Rear 4 mm
0.157 in
TE-TC
58
DISC WARPAGE
Measure disc warpage. Service limit for both discs is 0,15 mm
(0.006 in.)
Replace the disc if warpage is more than service limit.
LIMIT
2,5 mm
0.098 in
4,5 mm
0.177 in
3,5 mm
0.138 in
TE-TC-TXC
SMR