Video
Situation
Fan belt noise, V belt wear, pulley wear, shaft vibration.
Such indications
Face velocity decreased. An air volume shortage warning occurs. The interior is smelly.
CASE３
If the exhaust fan is not checked (3)
If the exhaust fan is not checked (3)
Fan belt noise, V belt wear, pulley wear, shaft vibration.
Face velocity decreased. An air volume shortage warning occurs. The interior is smelly.