Epson LS-B Series Maintenance Manual page 73

When tightening hexagon socket head cap bolts, refer to the 2.4 Tightening Hexagon Socket
NOTE

Head Cap Bolts.
Z belt (1) Pass a new Z belt through the shaft.
Installation
(2) Lower the spline plate with the Z belt placed
(3) Fix the control board unit.
(4) Mount the Joint #3 motor unit back in the arm.
(5) Pass the brake cable and over-excitation
(6) Loosely secure the Joint #3 motor unit to the
NOTE

LS-B series Maintenance Rev.1
around the spline plate pulley.
Secure the spline plate with 3 screws.
Loosely secure the spline plate on the Arm #2
and move the shaft up and down several times
before firmly secure the spline plate.
LS3-B: 3-M3×8 Pan head screws (Small)
LS6-B: 4-M3×8 Pan head screws (Small)
LS6-B602S-V1:4-M3×10 Hexagon socket
head cap bolts
power supply through the Z belt.
Place the Z belt around the Z1 pulley and Z2
pulley, with the gear grooves of the belt fitting
into grooves of the pulleys completely.
Arm #2.
Motor mounting screw
LS3-B, LS6-B: 3-M4×15+ washer
LS6-B602S-V1: 3-M4×12+ washer
At this point, make sure that the Joint #3 motor unit can be moved by hand, and it
will not tilt when pushed by tensioner. If the unit is secured too loose or too tight,
the belt will not have the proper tension.
LS3-B LS6-B Maintenance 7. Joint #3
3-M4×12
Spline Plate
Z belt
Only for LS6-B602S-V1
3-M4×12
Spline Plate
Z Belt
Joint #3
Motor Unit
Control Board
Unit
Control Board
Unit
Motor
Mounting
Screws
59