KAESER KOMPRESSOREN EPC-2-G Series, Сборка и руководство по эксплуатации

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Precondition Machine at operating temperature.
1. Close the user's shut-off valve between the machine and the air network.
2. Start the machine and measure the receiver charging time.
Result The valves should be checked for coking if there is a significant difference between the measured
charging time and the charging time when the machine was new.
Further information See chapter 7.7 for air receiver charging time measurement.
10.14.2 Cleaning the cylinder head and valves
The machine must be isolated from the compressed air network and completely vented before un‐
dertaking any work on the pressure system.
Precondition The supply disconnecting device is switched off,
the device is locked off,
the absence of voltage has been verified.
The machine is fully vented (no pressure).
The user's shut-off valve between the machine and the air network is closed.
1. Remove the cylinder head screws and lift off the head.
2. Remove the cap nut (if one is fitted).
3. Clean the cylinder head and valves.
4. After cleaning the cylinder head and valves, mount the head with the gasket and tighten the
screws diagonally.
Tightening torque for cylinder head screws
Model Low pressure cylinder
head
screws M
A
[Nm]
High pressure cylinder
head
screws M
A
[Nm]
Cap nut M
A
[Nm]
EPC 150–2 23 9.6 –
EPC 230–2 23 9.6 –
EPC 420–2 46 23 –
EPC 550–2 80 23 37
EPC 750–2 80 46 –
EPC 1000–2 80 46 –
Tab. 39 Tightening moment
10.14.3 Starting the machine and carrying out a trial run
1. Open the user's shut-off valve between the machine and the air system.
2. Switch on the machine.
3. Switch off the machine and check visually for leaks.
Significant malfunction in cylinder head and valves?
Severe coking
➤ Have a KAESER Service Technician renew the cylinder head and valves.
10 Maintenance
10.14 Cylinder head and valves
62
Assembly and operating manual 2-stage piston compressor
EPC-2-G
No.: 9_5753_04 E