Epson C8-B - Page 118

C8-B/C12-B Service Manual Maintenance Disclosure Scope: Maintenance Trained Personnel Only
(C) Seiko Epson Corporation 2-76 Rev.1
Secure the J2 Reduction Gear Unit to Arm2.
Tighten the screws using the following procedure. Refer to the figure above.
CAUTION
• Ensure that diagonally opposite screws are tightened alternately.
• Do not tighten the screws all the way at once. Instead, divide this into four times and
tighten to the following torques.
C8L
C8XL/C12XL
Percentage of
the specified
torque
Torque
value
Unit
20%
2.0 +/- 0.1
N・m
40%
4.0 +/- 0.2
80%
8.0 +/- 0.4
100%
10.0 +/- 0.5
Percentage of
the specified
torque
Torque value
Unit
20%
3.6 +/- 0.18
N・m
40%
7.2 +/- 0.36
80%
14.4 +/- 0.72
100%
18.0 +/- 0.9
1. Rotate the Wave Generator so that its longside aligns with the positions of screws (1)
and (2).
2. Tighten screws (1) and (2) to 20% of the torque value.
3. Tighten screws (1) and (2) to 40% of the torque value.
5
(1)
(7)
(2)
(8)
(3)
(9)
(4)
(5)
(6)
Longside
Shortside
Wave Generator
Screw
S02: 12-M5x40
S02: 12-M6x45
C8L:
C8XL/C12XL:
Installing the Reduction Gear
10
12
9
8
7
2
4
1
5
6
9