Pump Faults - Vogel KFA Instructions De Service

10.6 Pump faults

Fault
Pump
Motor does not run during activated pump
running time
Pump no function
No pump function when key DK is operated
although all electrical connections are in order.
Pump does not deliver lubricant although motor
is running.
Cause
•
Mechanical damage, e.g., motor
defective.
•
Electrical connection interrupted
•
Electrical control has failed
•
Pump drive/motor defective
•
Lubricant level in reservoir below
minimum
Check valve in pump element does
not close. (Can be seen from the fact
that the outlet can be kept closed with
the finger when the main line is
dismounted.)
•
Suction problems due to air inclusions
in grease
Page 38
Operating Instructions KFA, KFAS
Remedy
•
Exchange pump
Disconnect main lubricant line at outlet of pressure
relief valve
Disconnect electrical connection
Unscrew three fastening screws
Dismount defective pump
Install new pump, and connect lubricant line as well as
electrical cable
Put pump into operation and carry out functional test!
Make sure that pause and contact time values are correct!
•
Check fuse, and replace it, if necessary
•
Check electrical connections
Check cable set for damage!
Exchange pump
Top up lubricant reservoir up to „max"
Exchange pump element
Pay attention to: Metering mark with grooves
Dismount pump element, and operate pump via key DK until
grease emerges at housing outlet
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