Maintenance 8. Arm #4
G10 / G20 Rev.20 177
U belt
Installation: G10
Hold the spline plate and p
lace the U belt around the
2 pulley so that the gear grooves of the belt are fit
into those of the pulleys
Z belt around the Z1 pulley and the Z2
pulley so that the gear grooves of
Loosely secure the Joint #3 motor unit to Arm
Loosely secure the Joint #3 motor unit to Arm
the motor unit can be moved by hand, and it
not tilt when pulled. If the unit is secured too
or too tight, the belt will not have the proper
Mount the brake to the Joint #4
When mounting the brake, be sure to keep the wave
washer from being stuck.
Secure the brake hub with the two set screws.
Loosely secure the Joint #4 motor unit to Arm
Loosely secure the Joint #4 motor unit to Arm
the motor unit can be moved by hand, and it
not tilt when pulled. If the unit is secured too
or too tight, the belt will not have the proper