Allweiler AEB1E - Returning the Pump to the Manufac; Dismounting; Turer; Residual Liquid in the Pump

Maintenance
7.3.1 Returning the pump to the manufacturer
Pump depressurized
Pump completely empty
Electrical connections di sconnected and motor secured
against being switched on again
Pump cooled down
Safety guarding removed
With coupling with sp acer piece: spacer piece removed
Auxiliary systems s hut down, depressurized and emptied
Pressure gauge lines, pressure gauge and holdi ngs dis-
mounted
Enclose a truthful, and fully completed, safety certifi cate
when returning pumps or components to the manufacturer.
(→ 9.3 Declaration of harmlessness, Page 56).
Repairs
Measure for return
…at the customer’s
premises
Return the defective
component to the
manufacturer.
…at the
manufacturer’s
premises
Flush the pump and
decontaminate it if it was
used for hazardous pumped
liquids.
Return the complete pump
(not disassembled) to the
manufacturer.
…at the
manufacturer’s
premises for
warranty repairs
Only in the eve nt of
hazardous pumped liquid:
flush and deco ntaminate the
pump.
Return the complete pump
(not disassembled) to the
manufacturer.
Tab. 8 Measures for return
7.3.2 Dismoun ting
Pump depressurized
Pump completely empty, flush ed and decontaminated
Electrical connections di sconnected and motor secured
against being switched on again
Pump cooled down
Safety guarding removed
With coupling with sp acer piece: spacer piece removed
Auxiliary systems s hut down, depressurized and emptied
Pressure gauge lines, pressure gauge and holdi ngs dis-
mounted
If a coupling w ith spacer piece is used, the motor can
remain mounted on the base pl ate.
Progressive cavity pumps c annot be completely emptied
due to their design. A residua l amount of liquid re mains in
the pump.
1
Fig. 15 Residual liquid in the pump
Observe the following during removal:
– Collect residual liquid (1) with a collecting container.
Depending on the series, ensure the specificamount
of residu al liquid ( → 9.2.10 Total volume and residual
liquid quantity, Page 53).
– Mark the precise orientatio n and posi tion of all compo-
nents before dismounting them.
– Dismount components concentrically without canting .
– Dismount the pump (→ sectional drawing).
28 AE BA-2020.05 en-US 260371 – 176-982/0