Maintenance, Repair, Malfunctions, Disposal And Spare Parts; Maintenance; Exchanging The Pump Hoses - ProMinent Dulco flex 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 -
dismantling
Exchanging the pump hoses - installa‐
tion
Maintenance, repair, malfunctions, disposal and spare parts
User qualification, maintenance and disposal: instructed
n
Ä Chapter 1.2 "Users' qualifications" on page 5
persons, see
User qualification, repair and malfunctions: trained user, see
n
Ä Chapter 1.2 "Users' qualifications" on page 5
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
6. Remove the pressure flange from the pump housing
7. Remove the pump hose to be exchanged
8. Dismantle the hydraulic connections from both pump hose
ends
1. Clean the interior surfaces of the pump housing
2. Lubricate the internal surfaces of the pump housing at the
contact surfaces to the pump hose
3. Check the rollers. Ensure that the roller surfaces are not
damaged
4. Attach the hydraulic connections at both hose ends with the
help of the pressure flange
5. Lay the pump hose into the pump housing
6. Lubricate the pump hose and the rollers
7. Fasten the pressure flange to the pump casing
31