Husqvarna TrioBrake 550XPG Workshop Manual page 28

Repair Instructions
Contents
7.1 Dismantling the starter ...........................................................................................................................................29
7.2 Replacing a broken or worn starter cord ..........................................................................................................30
7.3 Tensioning the return spring .................................................................................................................................30
7.4 Replacing a broken return spring .......................................................................................................................31
7.5 Starter assembly .........................................................................................................................................................31
7.6 Dismantling the ignition module and flywheel .............................................................................................32
7.7 Assembling the ignition module and flywheel ..............................................................................................33
7.8 Dismantling the centrifugal clutch .....................................................................................................................34
7.9 Assemby of centrifugal clutch ..............................................................................................................................35
7.10 Dismantling the oil pump and screen ...............................................................................................................35
7.11 Assembling the oil pump and screen ................................................................................................................36
7.12 Dismantling the intake system ............................................................................................................................36
7.13 Assembling the intake system .............................................................................................................................38
7.14 Carburettor ..................................................................................................................................................................39
7.15 Tank unit .......................................................................................................................................................................50
7.16 Venting the fuel tank ...............................................................................................................................................50
7.17 Vibration damping system ....................................................................................................................................51
7.18 Replacing the fuel filter ..........................................................................................................................................52
7.19 Replacing the fuel hose/return hose .................................................................................................................52
7.20 Replacing the fuel pump ........................................................................................................................................52
7.21 Heated handles and carburettor heating .........................................................................................................53
7.22 Dismantling the piston and cylinder .................................................................................................................60
7.23 Assembling the piston and cylinder ..................................................................................................................62
7.24 Pressure testing the cylinder ................................................................................................................................63
7.25 Dismantling the crankshaft and crankcase .....................................................................................................64
7.26 Assembly of crankshaft bearings .........................................................................................................................66
7.27 Assembly of sealing rings .......................................................................................................................................67
7.28 Assembling the complete crankshaft .................................................................................................................68
7.29 Replacing the bar bolt ............................................................................................................................................69
7.30 Repairing damaged threads ..................................................................................................................................69
28
- English
7 Repair instructions