Husqvarna TE 250-310 2012 I.E. Workshop Manual page 189

ENGINE REASSEMBLY
TE 250 - 310 2012 I.E. / TE 250 - 310 2012 I.E. USA
TC 250 2012 - TC 250 2012 I.E. USA
TXC 250 - 310 2012 I.E. USA
Heat up the left crankcase bearing housings and install the crankcase.
To join the crankcase halves, tap with a plastic hammer.
Tighten the screws (15) using an 8 mm wrench (10 Nm, 1Kgm, 7.25 ft/lb). Make
sure to fit the screws in the correct positions according the specified pattern (see
Section F, paragraph "Crankcase disassembly").
Cover the upper section of the engine with a cloth, a sponge or the like to prevent
screws or other parts from accidentally falling into the engine.
Workshop Manual Ed. 12-2011
H.27