Replacing The Timing Belt - Epson LS10-B Series User Manual

8.2 Replacing the Timing Belt

U1 belt
Maintenance
U2 belt
parts
Hexagonal
wrench
Spanner
Cross-point screwdriver
Torque wrench
Nippers
Tools
Force gauge
Sonic tension meter
Suitable cord (Length about 800 mm)
■ The belt must be installed with proper tension; otherwise the following problems
may occur.
If falling below the lower limit : Jumping of the belt gears (position gap)
CAUTION
If exceeding the upper limit
A brake is mounted on the motor of Joints #3 and #4 to prevent the shaft from moving down
NOTE

and rotating due to the weight of the end effector while the power to the Controller is OFF
or while the motor is in OFF status (MOTOR OFF).
Move the shaft down to its lower limit before the replacement procedure following the
removal steps.
LS10-B Rev.6
Name
width 10 mm
width 21 mm
width across flats: 2.5 mm
width across flats: 3 mm
width across flats: 7 mm
: Abnormal noise or vibration (oscillation),
decline in the life of driving parts
Maintenance 8. Joint #4
Qty. Note
1 1757386
1 1757387
1 For M3 screw
1 For M4 screw
1
For cross-recessed head
1
screws
1
1 For cutting wire tie
U1:
1
Axial tension (pulling force)
114 N (11.6 ± 0.5 kgf)
U2:
1
Tension (belt tension)
102 N (10.4 ± 0.5 kgf)
1 For belt tension
121