Yamaha YK-X Series User Manual page 140

CHAPTER 5 Periodic Inspection
M4 setscrew
(supplied with harmonic drive)
Do not remove this spacer.
YK500XG, YK600XG
M5 nut
(M6 nut)
M4×30L (M5×40L) panhead bolt
During reassembly, reattach
this bolt to the same position
on the X-axis arm as before.
Wave generator
(Harmonic drive)
Motor mating end face
Motor flange end face
O-ring e supplied with harmonic drive
Fig. 5-5
M5×16 (YK600XG, YK700XG to YK1000XG only)
M4 setscrew
(supplied with harmonic drive)
YK600XGH, YK700XG, YK800XG, YK900XG, YK1000XG
Fig. 5-6
5-18
O-ring q
Harmonic drive
M4×30 (M5×40)
Spacer
Wave generator
(Harmonic drive)
Motor flange end face