Periodic Service

This is the first recommended checkup maintenance. This service helps with the general condition of your equipment.

The Periodic Service includes the following

• Inspect the general condition of your equipment, including oil leaks and the cleanliness of compressor assembly unit.

• Inspect and replace inlet filter(s) as required.

• Check lube oil level.

• Verify all 4-20 mA current loops are operating properly (as indicated on your transmitter monitor page).

• Verify surge detection unit operates properly.

• Inspect inlet filters and silencer for cleanliness and general condition.

• Verify that discharge check valve operates properly to prevent backflows.

• Verify proper operation of blow-off and butterfly valves.

• Inspect control arm(s) of variable control vanes for slippage.

• Calibrate inlet guide vane and variable diffuser vane operating span.

• Inspect all mechanical and electrical connections are secure (up to discharge cone).

• Check coupling alignment and outer blades of disc-pack for distortion and/or fatigue cracks.

• Verify that discharge expansion joint alignment and allowable flange loading is not exceeded.

• Test limit switches.

• Visual inspection of the motor.

• Inspection report.