Epson C8-B - Page 161

C8-B/C12-B Service Manual Maintenance Disclosure Scope: Maintenance Trained Personnel Only
(C) Seiko Epson Corporation 2-119 Rev.1
Secure the J3 Reduction Gear Unit to Arm3.
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.
Percentage of the
specified torque
Torque value
Unit
20%
1.1 +/- 0.05
N・m
40%
2.2 +/- 0.11
80%
4.4 +/- 0.22
100%
5.5 +/- 0.5
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-M4x30
9
11
8
9
10
7
5
4
1
3
2
6
Installing the Reduction Gear