Maintenance, Repair, Malfunctions, Disposal And Spare Parts; Maintenance; Exchanging The Pump Hoses - ProMinent DULCOflex DFBa Series Operating Instructions Manual

7

Maintenance, repair, malfunctions, disposal and spare parts

7.1 Maintenance

7.2 Exchanging the pump hoses

Exchanging the pump hoses - dis‐
mantling
Maintenance, repair, malfunctions, disposal and spare parts
User qualification, maintenance and disposal: instructed per‐
n
Ä Chapter 1.2 'Users' qualifications' on page 5
sonnel, see
User qualification, repair and troubleshooting: trained user, see
n
Ä Chapter 1.2 'Users' qualifications' on page 5
WARNING!
Danger from hazardous substances!
Possible consequence: Fatal or very serious inju‐
ries.
Please ensure when handling hazardous sub‐
stances that you have read the latest safety data
sheets provided by the manufacture of the haz‐
ardous substance. The actions required are
described in the safety data sheet. Check the
safety data sheet regularly and replace, if neces‐
sary, as the hazard potential of a substance can be
re-evaluated at any time based on new findings.
The system operator is responsible for ensuring
that these safety data sheets are available and that
they are kept up to date, as well as for producing
an associated hazard assessment for the worksta‐
tions affected.
CAUTION!
Disconnect the pump from the mains
Possible consequence: Personal injury
You may only carry out work on the pump after it
has previously been switched off and disconnected
from the mains.
Lubrication
Check that the rollers and the hose are sufficiently lubricated
n
– Check every 200 operating hours
Check whether the oil level is correct for the step-down gears
n
– Exchange the oil at regular intervals in accordance with the
step-down gear maintenance manual.
1. Close off all valves, in order to prevent leakage of the feed
chemical
2. Dismantle the pump hoses from both discharge and suction
sides
3. Remove the front cover
4. Remove a roller incl. the spacer plate (the roller that is not
touching the pump hose)
5. Turn the rotor with the help of the motor so that the remaining
roller is not pressing against the pump hose
33