Maintenance, Repair, Malfunctions, Disposal And Spare Parts; Maintenance; Exchanging The Pump Hoses - ProMinent DULCOflex DFAa 003 Assembly And Operating Instructions Manual

Maintenance, repair, malfunctions, disposal and spare parts

7 Maintenance, repair, malfunctions, disposal and spare parts

7.1 Maintenance

7.2 Exchanging the pump hoses

Exchanging the pump hoses - dis‐
mantling
Exchanging the pump hoses - installa‐
tion
20
User qualification, maintenance and disposal: instructed per‐
n
Ä Chapter 1.2 "Users' qualifications" on page 6
sons, see
User qualification, repair and malfunctions: trained user, see
n
Ä Chapter 1.2 "Users' qualifications" on page 6
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 the discharge and suc‐
tion sides
3. Remove the front cover
4. Dismantle the pump housing
5. Remove the pump hose to be exchanged
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. Lay the pump hose into the pump
5. Reassemble the pump housing again
6. Attach the front cover to the pump housing together with the
integrated hose clip. In doing so, hold the pump hose so that
it is lightly prestressed.
7. Tighten the knurled thumb screw for the integrated hose clip
just enough that the pump hose is sufficiently compressed
and so that it doesn't come loose during operation