Dover PSG A40 Petunjuk Manual - Halaman 8
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3.1 Pump storage
If the pump is inactive for more than 3 months, remove
the hose or the shoes. If you do not wish to remove the
hose or the shoes, operate the pump for 5 minutes once
a week.
Check that the wheel is always in such a position that
one of the shoes can be seen through the window.
For storage at temperatures below 0 °C (32 °F), specific
precautions must be taken. Refer to § LUBRICATION.
3.2 Hose storage
Hose shelf life is limited to two years from the date of
purchase.
The hoses must be stored in a cool place protected from
light. Exposure to ultraviolet rays accelerates deteriora-
tion of the material, thus reducing shelf life.
3.3 Pumping hot products
CAUTION
THE SURFACES OF THE PUMP CAN
BE AT A TEMPERATURE LIABLE TO
CAUSE INJURY OR SEVERE DAMAGE.
Excessive temperature-
can cause injury or
severe damage.
When pumping products at high temperatures, take care
when starting the pump for the fist time, tighten the bolts
to compensate for expansion effects.
3.4 Pump filled with product at shutdown
In the case where the pumping circuit is situated between
isolating valves and/or has a check valve, you must bear
in mind the variations in temperature that can occur, lea-
ding in particular to the expansion of the product in the cir-
cuit. In this case, provide a means of releasing the expan-
sion volume. The use of a relief valve can suffice for this
function. The opening pressure of this valve must be com-
patible with the pressure allowed by the parts composing
the circuit.
With products including particles that settle at shutdown, it
is necessary to ensure that the consistency of the deposi-
ted products will not affect the start-up of the pump.
NT 1101-F00 08.10 A40 - AS40 e
NOTE :
3. USE
3.5 Starting-up the pump
WARNING
Hazardous pressure
can cause
personal injury
or property damage.
WARNING
Do not operate
without guard
in place.
Before starting up the pump, always ensure that the pum-
ping conditions are correct, with the corresponding valves
open, especially the inlet valve.
For use at temperatures below 0 °C (32 °F), specific pre-
cautions must be taken. Refer to § LUBRICATION.
3.6 Shutting down the pump
When shutting down the pump, we recommend waiting
for the pump to stop completely before closing the val-
ves, especially the inlet valve.
3.7 In the event of the hose breaking
WARNING
Hazardous pressure
can cause
personal injury
or property damage.
When the hose breaks, there is a risk that the lubricant
may be contaminated by the pumped liquid.
3.8 Scrapping
The pump must be scrapped in compliance with the
regulations in force.
During this operation, particular care must be paid to the
drainage stages of the pump (pumped product).
8/19
FAILURE TO RELIEVE THE SYSTEM
PRESSURE PRIOR TO PERFORMING
ANY WORK ON THE PUMP OR THE
INSTALLATION CAN CAUSE PERSONAL
INJURY OR PROPERTY DAMAGE.
OPERATION WITHOUT THE SHAFT
PROTECTOR CAN CAUSE SERIOUS
PERSONAL INJURY, MAJOR PROPERTY
DAMAGE, OR DEATH.
HE CASING MAY BE FILLED
WITH THE PUMPED FLUID.
IF THE PUMP IS LOADED AT
INTAKE OR DISCHARGE, ALL
THE FLUID MAY BE EVACUAT-
ED THROUGH A HOLE IN THE
HOSE IN THE PUMP BODY.