Maintenance
10 --- 62
The coupling must be carefully inspected at regular intervals.
A defective coupling is recognisable by:
noisy running,
surface cracks,
colour change.
Fig. 26 Checking the Coupling
1 Safety screen
2 Coupling
Check for uneven or noisy running
Switch the machine on.
Check the coupling (2) for noisy or uneven running.
Check for damage
Pre---condition: Machine switched off.
Mains isolator locked off
Machine cooled down.
Remove the fixing screws from the safety screen (1).
Turn the coupling my hand and look for damage or colour change.
Have a damaged coupling changed by an authorised KAESER Service agent.
Refit the safety screen.
Close all access doors and replace all cover panels.
10.9 Checking the pressure relief valve.
Pre---condition: Machine switched off.
Activate password level 4.
In order to check the pressure relief valve, the machine’s working pressure is raised above
the blowoff pressure of the valve.
Pressure relief valve blows off.
Excessive noise is caused when the pressure relief valve blows off.
There is danger of scalding from hot oil.
There is danger of injury from bursting components and compressed air.
Close all access doors; replace and secure all removable panels.
Wear ear and eye protection.
Abort the test if the working pressure reaches 10% above the blowoff
pressure of the valve.
WARNING
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