Epson C Series, Maintenance Manual

Page: 342 / 668

C8 Maintenance 6. Joint #2
322 C Series Maintenance Manual Rev.2
Installation: Joint #2 Reduction gear unit
When tightening hexagon socket head cap bolts, refer to the
2.4 Tightening Hexagon Socket
Head Cap Bolts.
1. Apply a thin coat of grease (SK-1A) to the O-ring.
Fit the O-ring to the groove on the Arm #2.
Do not allow the O-ring to come out of the groove.
If the O-ring is swollen, damaged, or deteriorated, replace it
with a new one.
2. Install the reduction gear unit to the Arm #2.
C8, C8L:
Hexagon socket head cap bolts: 12-M5 × 40
Tightening torque: 10.0
±
0.5 N·m
C8XL:
Hexagon socket head cap bolts: 12-M6
×
45
Tightening torque: 18.0 ± 0.9 N·m
Installation face of the Arm #2 reduction gear unit has clearance holes.
Install the reduction gear unit to match the screws and the clearance holes.
3.
Grease the inner side of the flexspline.
Grease : SK-1A
Grease amount : C8, C8L: 55 g
C8XL: 102g
4. Insert the wave generator to the reduction gear unit and fix it.

NOTE