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 air main.
Precondition The power supply isolating device is switched off,
the device is locked off,
the absence of any voltage has been verified.
The machine is fully vented (no pressure). Verify the absence of pressure using a suitable measur‐
ing device (pressure gauge).
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, mount the head with the gasket and tighten the screws
diagonally.
The tightening torque for the cylinder head screws is given in the following table.
Compressor block
Tigthening torque M
A
[Nm]
Low-pressure cylinder
head
High-pressure cylinder
head
Cap nut
Screw
Screw
KC 150-2
23
9.6
–
KC 236-2
23
9.6
–
KC 420-2
46
23
–
KC 550-2
80
23
37
KC 750-2
80
46
–
KC 1000-2
80
46
–
Tab. 38 Tightening torque for cylinder head screws
10.14.3 Starting the machine and performing a trial run
1. Open the user's shut-off valve between the machine and the air distribution network.
2. Switch on the machine.
3. Switch off the machine and check for leaks.
Significant malfunction in cylinder head and valves?
Severe coking
➤ Have a KAESER SERVICE technician replace the cylinder head and valves.
10 Maintenance
10.14 Cylinder head and valves
76
Assembly and operating manual 2-stage piston compressor
EPC-2-G
No.: 9_5753 24 E
Содержание EPC 150-2-G
Страница 2: ...KKW PEPC 2 04 en SBA KOLBEN AGGREGAT 2 STUFIG 20170303 120300...
Страница 6: ...Contents iv Assembly and operating manual 2 stage piston compressor EPC 2 G No 9_5753 24 E...
Страница 10: ...List of Tables viii Assembly and operating manual 2 stage piston compressor EPC 2 G No 9_5753 24 E...
Страница 100: ...13 Annex 13 2 Dimensional Drawing 90 Assembly and operating manual 2 stage piston compressor EPC 2 G No 9_5753 24 E...