KE-2050/KE-2060, KE-2050R/2055R/KE-2060R Maintenance
Manual
5-5
Rev. 2.00
5-4. Replacing the CENTER Motor
(1) Detach the connector of the motor relay cable.
(2) Loosen the screw of the motor bracket to detach the drive
belt C from the motor pulley .
(3) Loosen the motor fixing screw to detach the motor .
(4) Mount the motor shaft and motor pulley so that the pulley
end A is aligned with the motor shaft end B. (See Figure 5-4-1.)
(5) When installing a new CENTER motor, reassemble the
components in the order of steps (3) to (1).
(6) Adjust the tension of the drive belt C as described below.
<Procedure>
Loosen
the
screw of the motor bracket C, and move the motor bracket to the left and
right.
Loosen the motor fixing screw and move the CENTER motor up and down.
Adjust the belt tension as described at steps and . When adjusting, take care not to
allow contact with other components.
Measure the tension using a sonic belt tension meter (manufactured by UNITTA) and
adjust it to between 17.6 and 21.6N.
(Weight=2.5, Width=6.0, Span=75)
* Span=93 in the case of L size
After the belt tension has been adjusted, tighten the screws and to fix the motor
bracket C and motor, respectively.
Note)
Belt (tension) is stretched excessively.
→
Torque of the drive shaft increases.
Note)
Belt (tension) is loosened excessively.
→
Teeth on the timing pulley are
skipped. (Noise is produced.)
Figure 5-4-2
Figure 5-4-1
