4
Mechanical installation
Installing the gear unit
Assembly and Operating Instructions – Explosion-Proof Gear Units
33
4.6
Installing the gear unit
WARNING
Risk of explosion due to electric sparks if housing is not additionally grounded.
Fatal and serious injuries.
•
Additionally ground the housing. Use the grounding screw at the motor.
WARNING
Risk of explosion due to friction that causes electrical charge on the coating.
Fatal and serious injuries.
•
Prevent moving parts on the coating from creating electric sparks.
CAUTION
Risk of injury due to improper installation/removal
Severe personal injury and damage to property
•
Work on the gear unit only when the machine is not in use.
•
Secure the drive unit against unintentional power-up.
•
Attach an information sign near the ON switch to warn that the gear unit is being
worked on.
•
Prevent heavy component parts (e.g. shrink disks) against falling during installa-
tion/disassembly.
•
It is important that you observe the notes in this chapter.
CAUTION
Risk of injury due to protruding gear unit parts
Severe injuries
•
Keep a sufficient safety distance to the gear unit/gearmotor.
CAUTION
Danger due to static overdetermination if gear units with foot (e.g. KA19/29B,
KA127/157B or FA127/157B) are mounted both via the torque arm and via the foot
plate.
Risk of injuries and damage to property
•
Especially with the KA.9B/T variant, it is not permitted to use the foot plates and
the torque arm at the same time.
•
Attach the KA.9B/T design only via the torque arm.
•
Attach the K.9 or KA.9B design only via the foot plate.
•
If you want to use foot plates and torque arms for mounting, contact
SEW‑EURODRIVE.
24804134/EN – 05/2018
