GRANUDOS 45/100 PLUS V70 Touch
Index: 03
Change date: 25.04.2018
Operating instructions no.: BA SW 001-03 Granudos 45-100 PL V70T.docx
Page 66 of 92
Tool for exchanging the dosing screw or the dosing motor:
a)
PZ2 cross-head screw driver to loosen the screws at the hood and the controller
b)
2mm slotted-head screw driver to loosen the cable terminals
c)
8mm spanner to loosen the dosing motor
d)
Measuring device (multimeter) for voltage measurement
e)
Small blade or small screw driver to clean the headless screw
f)
2.5mm Allen screw for the headless screw of the dosing screw
Removal of the dosing motor - the dosing screw:
a)
Turn the drum upwards and lock it.
b)
Loosen the fastening screws in the protective hood and remove the hood - pull
the cables slightly inwards to ensure mobility of the hood.
c)
Open the terminal box at the dosing hoper when the motor is to be removed.
d)
Remove the protective caps from the M5x20 fastening screws (8) and undo the
screws (9) with an SW 8 spanner.
e)
Pull the motor with the dosing screw out of the mount while holding a flat
collecting container under the motor mount to ensure that no chlorine granulate
is spilt. Clean the motor mount on the insides and remove scattered chlorine
granules.
f)
Clean the dosing screw - Is the chlorine granulate in the dosing screw strongly
solidified or the granulate easily fall out of the dosing screw when it is pulled out?
g)
The granulate may be humid or its dust component may be too high when it is
solidified. The dosing screw may also be worn so that the granulate is no longer
appropriately transported.
Removing the dosing motor:
a)
Disconnect the motor cable at the terminal box on the hopper and pull the cable
out of the bushing.
b)
Use a small screwdriver, knife or similar to scrape out the sealing putty from the
threaded hole of the fastening screw (3) at the PVC flange of the dosing screw.
c)
Loosen the fastening screw with an SW 2.5 Allen key and pull the dosing screw
off the shaft.
d)
Pull the dust cap off the dosing motor and remove the old sealing disks.
e)
Grease the felt disk on both sides with silicone grease.
f)
Fill the bearing recess of the dosing motor with silicone grease.
g)
First slide the EPDM (rubber) sealing disk and then the greased felt disk onto
the shaft and then firmly slide on the dust cap.
h)
Take the old O-ring out of the groove of the dust cap, insert a new O-ring and
apply approx. 2 layers of Teflon tape.
i)
Grease the face sides of the dosing motor / PVC dust cap and the dosing screw
with silicon grease.
j)
Slide the dosing screw onto the shaft, so that the fastening screw sits on the
flattened part of the motor shaft.
k)
Press the dosing screw against the motor and fasten it with the headless screw
(0.8 Nm.
