IMO D4, Инструкции по обслуживанию и эксплуатации, Страница: 4 / 11

4
D4 0617GB
December 2000
Service intervals
The intervals for inspection and replacement of wear
parts vary greatly with the properties of the pumped
liquid and can only be determined by experience.
All internal parts of the D4-pump are lubricated by
the pumped liquid. Pumping a liquid containing
abrasive materials, or a liquid that is corrosive, will
significantly reduce service life and call for shorter
service intervals. Wear in the pump may be indi-
cated by:
• Vibration
• Noise
• Loss of capacity
• Reduction in flow or pressure
• Leakage
In installations where unplanned shut downs must
be avoided, it is advisable to have a complete pump
available for replacement, should any malfunction
occur. Furthermore we recommend planned inspec-
tion and overhaul at regular intervals, not exceeding
3 years.
It is recommended always to have the spares in-
cluded in the minor spare part kit available.
If the pumps operating temperature exceeds
60
°
C let the pump cool off before any
service, maintenance or dismantling work is
commenced to avoid burn injury.
All work carried out on the pump has to be
performed in such a manner that risks for
personal injury are observed!
When handling liquids that may harm skin
use gloves and/or protective clothing.
When handling liquids which may involve
fire hazards appropriate precautions to
avoid danger are to be taken.
In case of failure for a system with elevated
pressure, fluid jets may cause injury and/or
damage.
Oil leakage may make the floor slippery
and cause personal injury.
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Before any maintenance work, ensure that
the driver is deenergized and the pump
hydraulically isolated.
Connecting and disconnecting of electric
cables must be done only by personnel
authorized to do such work.
Recommendation for maintenance
Every shut down for service of a plant is costly. The
time for repair should therefore be limited to a
minimum which can be accomplished by keeping a
spare pump. The changed pump can later be re-
paired at a suitable place and can then be used as a
spare pump.
For maintenance the following spare parts kits are
recommended:
Pos Part numbers, sizes
no Spare part sets 025 032 038 045 052 060 070
G011 Rotor set (CCW-rot.) Contact IMO AB
G012 Rotor set N-lead 163410 150425 163428 166926 150433 186569 186585
(CW-rot.) K-lead – – 146332 154534 186551 186577 186593
" L-lead 186544 156117 – – – – –
G050 Shaft seal xRxx 128314 128314 120873 124610 124610 128728 128728
xVxx 143859 143859 190336 190338 190338 142299 142299
xTxx 168906 168906 172726 172049 170449 168914 168914
G057 Joint kit xxxE 185819 185827 185835 185843 185850 185868 185876
Major kit (pump element)
different versions
Contact IMO AB
Ordering code
Kit Contents To be used for
G057 Gaskets, O-rings, etc Dismantling of the
pump.
G053 Minor kit Normal scheduled
G057+shaft seal G050 inspection.
G054 Major kit, pump element Repair after
G102 (CW) or G101 (CCW) damage or greater
wear.
Ordering For IMO pump D4
example: 025N2 LVBE
Rotor set G012 Part no. 163410
Shaft seal G050 Part no. 143859