10.18 Service air receiver
10.18.1 Drain condensate manually.
Fig. 40 Condensate drain tap
1
Condensate drain tap
1. Undo the knurled screw on the condensate drain tap and drain the condensate into a suitable
canister.
2. Close the condensate drain tap.
➤ Dispose of the condensate according to valid environmental regulations.
10.18.2 Checking the safety relief valve
Precondition The machine is switched off.
Wear eye and ear protection.
Fig. 41 Testing the safety relief valve
1
Ring (blowoff pressure reduction)
1. Close the user's shut-off valve between the machine and the compressed air system.
2. Switch the machine on until the air receiver is full.
(machine switches to IDLE running)
3. Shut down the machine and remove the panel on the air receiver.
4. Turn the ring
1
until the safety relief valve opens.
5. Turn the ring
1
back again.
6. Open the user's shut-off valve between the machine and the compressed air system.
The safety relief valve does not open?
➤ De-commissioning the machine until the defective safety relief valve is replaced.
10 Maintenance
10.18 Service air receiver
Number: 9_6945 01USE
Service manual Screw compressor
Aircenter SX 3/7.5 SIGMA CONTROL BASIC
75
