✓
The propeller has been removed.
1.
Undo circlip 932.04.
2.
Take out mechanical seal 433.02.
3.
Undo circlip 932.05.
4.
Take out casing cover 161.
5.
Take out mechanical seal 433.01.
7.4.4
Dismantling the motor section
NOTE
Special regulations apply to repair work on explosion-proof submersible mixers.
Modification or alteration of the submersible mixers can affect explosion protection
and is only permitted after consulting the manufacturer.
NOTE
The motors of explosion-proof submersible mixers are supplied in "flameproof
enclosure" type of protection. Any work on the motor section which could affect
explosion protection, such as re-winding and machining repairs, must be inspected
and approved by an approved expert or performed by the motor manufacturers. No
modifications must be made to the internal configuration of the motor space.
Repair work at the flameproof joints must only be performed in accordance with
the manufacturer's instructions.
When dismantling the motor section and the power cables make sure that the cores/
terminals are clearly marked for future reassembly.
7.5 Reassembling the submersible mixer
7.5.1
General information/Safety regulations
WARNING
Improper lifting/moving of heavy assemblies or components
Personal injury and damage to property!
▷
Use suitable transport devices, lifting equipment and lifting tackle to move
heavy assemblies or components.
CAUTION
Improper reassembly
Damage to the submersible mixer!
▷
Reassemble the submersible mixer in accordance with the general rules of
sound engineering practice.
▷
Use original spare parts only.
NOTE
Before reassembling the motor section, check that all joints relevant to explosion
protection (flamepaths) are undamaged. Any components with damaged
flamepaths must be replaced. Observe the flamepath positions specified in the
Annex.
Always reassemble the submersible mixer in accordance with the corresponding
general assembly drawing.
▪
O-rings
– Check O-rings for any damage and replace by new O-rings, if required.
Sequence
Sealing elements
7 Servicing/Maintenance
36 of 54
Amamix
