Grundfos APG Series, Инструкция по установке и эксплуатации

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45
Ex = explosion-proof.
• Cable entry
Make sure that the cable entry is watertight and
that the cables are not bent sharply and/or
pinched.
• Pump parts
Check the impeller, pump housing, neck ring, etc.
for possible wear. Replace defective parts.
• Ball bearings
Check the shaft for noisy or heavy operation
(turn the shaft by hand). Replace defective ball
bearings.
A general overhaul of the pump is usually required
in case of defective ball bearings or poor motor
function. This work must be carried out by the
manufacturer or a competent workshop.
7.1 Contaminated pumps
Note: If a pump has been used for a liquid which is
injurious to health or toxic, the pump will be classi-
fied as contaminated.
If Grundfos is requested to service the pump, Grund-
fos must be contacted with details about the pumped
liquid, etc.
before the pump is returned for service.
Otherwise Grundfos can refuse to accept the pump
for service.
Possible costs of returning the pump are paid by the
customer.
However, any application for service (no matter to
whom it may be made) must include details about
the pumped liquid if the pump has been used for liq-
uids which are injurious to health or toxic.
Pump type
Quantity of oil
in oil chamber
APG.50.09 0.70 l
APG.50.11 0.70 l
APG.50.12 0.70 l
APG.50.17 0.65 l
APG.50.18 0.65 l
APG.50.19 0.65 l
APG.50.29 0.65 l
APG.50.30 0.65 l
APG.50.31 0.65 l
APG.50.33 0.65 l