Level 12 of 15 · Maintenance lab

Control valve hunting

Level 12 of 15 in the Maintenance lab: a free maintenance exercise at Advanced level. Wet air, low supply and a high gain make the valve hunt: sort the air first.

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Goal

Wet air, low supply and a high gain make the valve hunt: sort the air first.

Done when

The acceptance test marks the skills this level practises.

Positioner
Instrument air quality
Valve stroke test

Skills

Positioner
Instrument air quality
Valve stroke test

Before you start

Level 11, Hydraulic press slow, comes first. Do it first if the ideas are new to you.

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Free, in your browser, nothing to install. Your work is saved on this device. Updated 1 Nov 2026.

15 levels

Levels in the Maintenance lab

Keep a small plant running: find faults with real instruments, fix them safely and record the work in a CMMS.

Foundation

Levels 1 to 2

Intermediate

Levels 3 to 8

Advanced

Levels 9 to 15

Previous level 11Hydraulic press slow Next level 13Gearbox running hot

Part of the Maintenance lab

Keep a small plant running: find faults with real instruments, fix them safely and record the work in a CMMS.

Feeds these internships (training, not employment): Commissioning and Maintenance, Instrumentation and Process Control, Control Panel Design and Wiring.

About the Maintenance lab

Ready for Control valve hunting?

Free, in your browser, with nothing to install.

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