Rectifying faults
Fixing the pump shaft (coolant circuit)
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099-005649-EW501
19.11.2020
7.5 Fixing the pump shaft (coolant circuit)
Continuing non-use and impurities in the coolant may result in the the coolant pump not being in proper
working order.
Figure 7-3
• Switch off machine at the main switch.
• Disconnect mains plug.
• Insert a plain slot screwdriver with a maximum tip width of 6.5 mm through the maintenance opening
and place in the centre of the pump shaft. Turn the screwdriver clockwise until the pump shaft can be
easily rotated again.
• Remove screwdriver.
• Insert mains plug of the switched-off machine into the appropriate socket.
• Switch on the power source at the main switch.
