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Index
A705-40-880 Issue B
© Edwards Limited 2011. All rights reserved.
Page 75
Edwards and the Edwards logo are trademarks of Edwards Limited.
A
Abnormal operation
.......................................8
Accessories
........................................... 7
Adjust the pump coolant jacket trip temperature
(pumps fitted with a temperature transmitter, if re-
quired)
.................................................... 29
Adjust the TCV (thermostatic control-valve)
Adjust the thermal snap-switch (if fitted)
Allow the pump to warm up
........................... 32
ATEX system control
.................................... 31
C
Change the pump oil and clean the oil-level sight-glass-
es
.......................................................... 40
Check for coolant leaks
................................ 46
Check the coolant level and refill if necessary
Check the direction of pump rotation
Check the gearbox oil-level
............................ 20
Check the gearbox oil-level and fill the gearbox with oil
(if necessary)
............................................. 36
Check the shaft-seals purge supply
Clean the cooling system
............................... 51
Clean the cooling-water filter
Clean the cooling-water flow indicator
Clean the heat exchanger
.............................. 53
Clean, inspect and relubricate the rotor bearings
Commission the pump
.................................. 29
Commissioning procedure
.............................. 29
Connect the cooling-water supply
Connect the electrical supply to the pump-motor
Connect the pump coolant jacket temperature sensor
introduction
Connect the pump-inlet and outlet
Connect the pump-inlet to your process system
Connect the pump-outlet to your exhaust system
Connect the shaft-seals purge nitrogen supply
Connect the temperature transmitter (if fitted)
Connect the thermal snap-switch (if fitted)
Connections
.............................................. 13
Cooling-water data
...................................... 11
D
Disposal
................................................... 71
Drain the coolant from the cooling system
Drive coupling operation
.................................3
Drive operation
............................................3
E
Electrical connections
.................................. 20
Electrical data
........................................... 10
F
Fault finding
.............................................. 68
Fill the pump with a different coolant
Fit a replacement service module
Fit the coupling cover to the new pump-motor
Fit the new service module
............................ 65
Flush a pump which has been operating
Flush a seized pump
.................................... 48
Flush the pump with cleaning solution
H
Hazardous area and safe area versions of the pump
I
Inspect and reset the torque limiter (pumps with a
torque limiter only)
..................................... 33
Inspect the components removed from the service
module
.................................................... 65
Inspect the pipelines and connections
Inspect the pressure relief valve and replace the hinge
bushes, flap and O-ring (if necessary)
EDP250 and EDP400 only
Inspect the torque limiter
............................. 54
Installation
............................................... 17
L
Leak test the installation
.............................. 28
Leak test the pump
................................ 40
Locate the pump
........................................ 18
Lower the pump-motor and coupling cover (with the
motor change frame)
................................... 55
Lower the pump-motor and coupling cover (without
the motor change frame)
.............................. 54
Lubrication data
......................................... 12
M
Maintenance
............................................. 35
Maintenance plan
....................................... 35
Materials of construction
.............................. 16
Mechanical data
......................................... 10
N
Noise data
................................................ 12
Non-ATEX system control
.............................. 32
Normal operation
..........................................7
O
Operating and storage conditions
Operation
................................................. 31
Operational safety
...................................... 31
Ordering options
..................................... 7
Overhaul the pump
..................................... 54
Index