HER CHEE GTC-50, Service Manual

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ADLY MOTO 9-
1
Crank Case / Crank Shaft
Attention of Operation
‧
This chapter explain the necessary procedure of disassembling crank case due
to repair & maintain the crank shaft.
‧
Before disassembling of crank case , must operation with sequence of each
chapter to disassembly.
–
Disassembly of oil pump ( Chap. 3 )
–
Disassembly of carburetor ( Chap. 4 )
–
Disassembly of intake valve ( Chap. 4 )
–
Dis-mounting of engine ( Chap. 5 )
–
Disassembly of cylinder head and cylinder ( Chap. 6 )
–
Disassembly of ACG ( Chap. 12 )
–
Disassembly drive face ass’y ( Chap. 7 )
‧Must disassembly of final reduction mechanism when change the left crank case.
‧
Must use special tool into the inner ring of crank shaft bearing , and pull in crank
shaft to assembly when assembly crank case & crank shaft , put new bearing into
crank case, and put into new oil seal after assembling crank case.
Diagnosis of Troubles
Noise of Engine
‧
Damage of crankshaft bearing.
‧
Damage of needle bearing of crankshaft pin.