Checking The Tension Of The Belt - Hitachi HT-4139-28 Maintenance Manual

9 Adjusting

9.1 Checking the Tension of the Belt

Check the belt tension when replacing the Belt or the Motor.
● Break Motor
σ
● Eject Motor
Side view Side view ( ( ( ( Right) Side view Side view Right) Right) Right)
ℴ =2mm
P= 0.9~2.1N
Adjust the tension by tension roller.
#50 2GT Belt (BRAKE)
Direction of pressing
Tension Roller
Screw for adjustment
Tools Needed: Magnetic Philips Screwdriver (No.2),
Tension Gauge
ℴ =2mm
P= 1.2~2.4N
Adjust the tension by screw.
Screw for adjustment
#44 MOTOR ASSY (BRAKE)
#49 MXL Belt (EJECT)
#41 MOTOR ASSY (EJECT)
REV0 10.02.15
Ｐ
σ
-H9-1-