Maintaining The Check Valve; Fig. 16 Cleaning The Check Valve - KAESER Premium Compact W 200/4 Service Manual

10.12
Material
Precondition
Fig. 16
No.: 9_9418 20E
10 Maintenance

10.12 Maintaining the check valve

The pressure gauge does not read 0 bar after venting?
Shut-off valve still open.
➤ Defective condensate drain.
➤ If manual venting does not bring the oil separator tank pressure gauge to zero: Contact
the authorised KAESER Service.
Maintaining the check valve
The check valve is installed in the air receiver inlet port. It prevents the compressed air from flow‐
ing back from the air receiver to the compressor block.
Compressed air for blowing out
Cleaning cloths
Spares as required
The supply disconnecting device is switched off.
The disconnecting device is locked off.
A check has been made that no voltage is present.
The machine is fully vented (no pressure). Verify the absence of pressure using a suitable measur‐
ing device (pressure gauge).
The machine has cooled down.
The user's shut-off valve between the machine and the air network is closed.
Cleaning the check valve
Enclosure
1
Screw plug
2
Valve cone
3
1. CAUTION!
Danger of burns from hot components!
➤ Wear long-sleeved clothing and gloves.
➤ Work carefully.
2. Remove the plug.
3. Clean the valve cone and seat.
The complete valve must be replaced if the valve seat is badly worn or damaged.
4. Insert the valve cone, spring and O-ring in the valve seat.
5. Close the check valve with screw plug and O-ring.
Service Manual Reciprocating compressor
Premium compact W
Valve seat
4
Spring
5
O-ring
6
43