Level 10 of 15 · Maintenance lab

Motor insulation low after wash-down

Level 10 of 15 in the Maintenance lab: a free maintenance exercise at Advanced level. Test with the insulation tester, read the PI, dry the windings and test again.

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Goal

Test with the insulation tester, read the PI, dry the windings and test again.

Done when

The acceptance test marks the skills this level practises.

Insulation resistance
Polarisation index
Dry-out

Skills

Insulation resistance
Polarisation index
Dry-out

Before you start

Level 9, Drive overcurrent trip at start, 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 9Drive overcurrent trip at start Next level 11Hydraulic press slow

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

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