Maintenance
16
INOXPA S.A.U.
20.005.30.01EN · (0) 2019/02
8.6. DISASSEMBLY AND ASSEMBLY OF THE AGITATOR
The disassembly and assembly of the agitators should only be carried out by qualified personnel
using only appropriate tools. Ensure that staff read these instructions manual attentively,
particularly the instructions that relate to their work.
Stop the motor from starting up when carrying out assembly and disassembly work on the agitator.
Place the agitator switch in the “off” position.
Lock out the electrical switchboard or place a warning sign.
Remove the fuses and take them to the workplace.
8.6.1. Disassembly of the agitator
Once the motor has been disconnected, disassembly work of the agitator may begin:
Take the agitator out of the tank.
Disassemble the propeller (02) and the agitator shaft (05), removing their respective Allen pins (55, 55A).
Remove the V-ring (81).
Remove the Allen screws (51) and take out the IEC motor (93).
Release the elastic ring (66) with appropriate pliers. Hit the lower end of the head half shaft (26) with a
nylon hammer and take out the unit formed by the head half shaft and the ball bearings (70, 70A).
Remove the lip seal (88), which is housed in the bottom part of the head (06).
Finally, remove the countersunk screws (50) in order to remove the base plate (42), depending on the
version of the agitator.
8.6.2. Assembly of the agitator
Insert the lip seal (88) into the head (06).
Put the upper ball bearings (70) and the lower ones (70A) in the head half shaft (26).
After the half shaft and ball bearings unit has been assembled, put it in the head until it butts below with
the lower ball bearings and fix the unit with the elastic ring (66).
Place the IEC motor (93) and tighten the Allen screws (51) and the flat washers (53) that hold it in place.
Put the base plate (42) in the head (06) with the countersunk screws (50).
Assembly the V-ring (81).
Join the agitator shaft (05) with the head half shaft using the Allen pins (55A).
Place the propeller (02) in the agitator shaft and tighten the Allen pins (55).
Fit the agitator over the tank.