Vogel KFA Instructions De Service page 88

Fault
Pressure relief valve on pump opens, and
lubricant emerges
Cause
•
Pump element does not build up
pressure, pump element is worn.
(Can be seen from the fact that the
outlet can be kept closed with the
finger when the main line is
dismounted.)
•
System pressure exceeds 300 bars,
e.g., due to clogging of distributor or
clogged lubrication point
•
Valve damaged or soiled so that it
does not close properly
Page 39
Operating Instructions KFA, KFAS
Remedy
Exchange pump element
Pay attention to: Metering mark with grooves
Check system, and carry out repair or modification of system
so that the system pressure at 20 °C will not exceed 200 bars
as a maximum
Exchange pressure relief valve
Contents Chapter