DX-SX1H
– 9 –
Adjusting the tension of the timing belt
Remove the gear unit and connect the ammeter to the DC
power as shown in Fig. 9-1.
DC Power
3.5V
M
1
2
Loading
Motor
Gear
Unit
Connector
Ampere
Meter
Figure 9-1
If measurement of the loading motor current is possible, move
the motor in the direction of the arrow so as to obtain 40 - 50
mA, and fix the motor with screws (A1) x 2 pcs.
(A1) x1
ø1.7x2mm
(A1) x1
ø1.7x2mm
Timing Belt
Shaft
Motor
Pully Ass'y
Drive
Pulley
Figure 9-2