KAESER SM 8 Service Manual page 51

Maintenance
 Insert the control air pipe (13) into the elbow fitting (12) and tighten up the union nut.
 Open the isolation shut ---off valve between the compressor and the compressed air
system.
Perform a test run
When the operating temperature is reached (see chapter 1.1), shut
down the compressor package (see chapter 8.3) and lock the main
disconnect in the "off" position in accordance with applicable lock out/
tag out procedures (example: OSHA CFR 29 § 1910.147) to ensure the
compressor does not restart.
Afterwards, carry out a visual check for leaks.
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