DRAGFLOW EL7.5 - Maintenance Replacing Instructions

DRAGFLOW S.r.l. - Sede legale: Via Satiro, 11 – 37121 VERONA Italy
Sede amm.: Via Paesa – 46048 ROVERBELLA (MN) Italy ● Tel. +39 0376 1685400
Fax +39 0376 1685499 - Cod. Fisc e P. IVA : IT 02757460239 – R.E.A. Verona n. 280092
Registro Impr. Di Verona n. 189595/1997 Capitale Sociale € 10.400 interamente versato
EL7.5 - EL12.5 (S - SS) User manual - ENG 44/70
5.4 Maintenance replacing instructions
The pump has components requiring a periodical replacing due to wearing and
performance loosing and depending on the working conditions.
The replacing of all these components must be executed following a correct sequence
of instructions and some of their replacing can be performed only after other previous
disassembling.
See below a table with the correct prelimineries disassembling sequence in order to
replace a certain component:
REPLACING
DISASSEMBLING
SEE
SECTION
DISASSEMBLING SEQUENCE
Power cable
5.4.1*
Strainer
5.4.2
Lower wear plate
5.4.3
5.4.2
Agitator kit
5.4.4
5.4.2
Impeller
5.4.5
5.4.3
5.4.4
Motor bearing
5.4.6*
BEFORE THE FOLLOWING OPERATIONS, COMPLETELY EMPTY THE PUMP OF THE OIL
(SEE SECTION 5.3.2)
Avoid to pollute the environment with the
exhausted oil dispersion. Collect and dispose it
in comformity with the local laws.
Lower seals
5.4.7*
5.4.5
Mechanical seals
5.4.8*
5.4.7*
Upper bearings
5.4.9*
5.4.6*
5.4.8*
Any replacing maintenance with the * symbol must be performed by the manufacturer
Service Department or by a skilled mechanical operator following the instructions given
by the Service Manual, available on request.