7 operation warning, Warning, Caution – Elmo Rietschle G-BH7 Operating instructions User Manual
Page 22: 8 shut-down and longer standstills

Operation
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© Gardner Denver Deutschland GmbH
6.2
Start-up and shut-down
Start-up
Open shut-off device in intake/discharge pipe.
Switch on power supply for drive motor.
Shut-down:
Switch off power supply for drive motor.
Close shut-off device in intake/discharge pipe.
7 Operation
WARNING
Improper use of the unit can result in
serious or even fatal injuries!
Have you read the safety precautions in Chapter
1, "Safety", Pg. 3 f.?
Otherwise you many not carry out any work with
or on the pump-motor unit!
Also be sure to read the safety precautions in
Chapter 6, "Commissioning", Pg. 20!
Starting up and shutting down
See Chapter 6, "Commissioning", Sub-
Chapter 6.2, "Start-up and shut-down", Pg. 22.
Also be sure to observe the following important
notes especially for operation:
WARNING
Danger of burns from hot surfaces of the
pump-motor unit and from hot fluids!
High temperatures of up to approx. +160°C
[+320°F] can occur on the surface of the pump-
motor unit.
Do not touch during operation!
Allow to cool after shut-down!
CAUTION
Danger of overheating due to hot surface of
pump-motor unit!
High temperatures of up to approx. +160°C
[+320°F] can occur on the surface of the pump-
motor unit.
Temperature sensitive parts, such as lines or
electronic components, may not come into
contact with the surface of the pump-motor unit.
CAUTION
Danger of overheating!
During operation the standstill heating may, if
installed, not be switched on!
CAUTION
Danger of rusting due to collection of
condensed water in drive motor area!
On drive motors with closed condensed water
openings:
Remove closures occasionally to allow any
water which has collected to drain off.
CAUTION
Danger of bearing damage!
Heavy mechanical impacts must be avoided
during operating and while at a standstill.
8 Shut-Down and Longer Standstills
8.1
Preparing for shut-down or longer
standstill
WARNING
Improper use of the unit can result in
serious or even fatal injuries!
Have you read the safety precautions in Chapter
1, "Safety", Pg. 3 f.?
Otherwise you many not carry out any work with
or on the pump-motor unit!
CAUTION
Danger of rusting due to collection of
condensed water in drive motor area!
On drive motors with closed condensed water
openings:
Remove closures occasionally to allow any
water which has collected to drain off.
CAUTION
Danger of bearing damage!
Heavy mechanical impacts must be avoided
during operating and while at a standstill.
Prior to shut-down or longer standstill, proceed
as follows:
Switch off the pump-motor unit.
Close shut-off device in inlet and pressure line
if installed.
Disconnect pump-motor unit from power
supply.
Release pressure.
When doing so, open pipes/hoses slowly and
carefully so that the vacuum or gauge
pressure in the pump-motor unit can be
released.
Remove
pipes/hoses.