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SPL-012 Gearbox Oil Level Check

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This source is a single-point lesson for Quellmoor Ridge, dated 2025-09-29, on checking gearbox oil level. It covers stopping and waiting before reading the sight glass, acceptable MIN/MAX level criteria, top-up restrictions, checklist recording, and the action required if the level is below MIN.

Key facts

  • SPL-012 is titled "Gearbox oil level check."1
  • The document is a single-point lesson for Quellmoor Ridge dated 2025-09-29 by Callum Rydings.1
  • The lesson is marked fictional and not for operational use.1
  • To check the gearbox oil level, stop the turbine and wait 20 minutes so the oil settles.2
  • Read the sight glass on the generator side of the gearbox.2
  • The gearbox oil level must be between MIN and MAX.2
  • Top-up is only permitted with PWG 220 through the 10 micron filter cart, and PWG 320 must not be used.2
  • Record the gearbox oil level check result on item 4 of the daily checklist.2
  • If the level is below MIN, do not restart the turbine and report it to the O&M Supervisor because of the risk of alarm A2130.3

Contents

Document identification

The document title is “SPL-012 - Gearbox oil level check.”4 It is a single-point lesson for Quellmoor Ridge dated 2025-09-29 by Callum Rydings.4 The slides state that the material is fictional and not for operational use.4

How to check

Stop the turbine and wait 20 minutes so the oil settles.5 Read the sight glass on the generator side of the gearbox.5 The oil level must be between MIN and MAX.5 Top up only with PWG 220 through the 10 micron filter cart, and never use PWG 320.5 Record the result on item 4 of the daily checklist.5

Good or not good

The lesson asks the operator to judge whether the level is good or not good.6 If the level is below MIN, do not restart; report it to the O&M Supervisor because of the risk of alarm A2130.6

Figures

  • Figure f01 (slide 2): Generated description: The figure shows two side-by-side tank or gauge diagrams with circular containers inside gray panels, each marked with horizontal reference lines labeled MAX and MIN. In the left panel, the yellow liquid level lies between MIN and MAX and is captioned in green “OK - between MIN and MAX,” while in the right panel the yellow liquid is below MIN and is captioned in red “NOT OK - below MIN.”.7
  • Figure f02 (slide 3): Generated description: A two-panel diagram shows a circular tank or gauge in a gray box with horizontal MIN and MAX level lines labeled on the right. In the left panel, a gold liquid fill sits between the MIN and MAX lines and is labeled in green “OK - between MIN and MAX.” In the right panel, the gold liquid level is below the MIN line and is labeled in red “NOT OK - below MIN.”.8

Sources

Footnotes

  1. SPL-012 Gearbox Oil Level Check — slide 1 · ✓ quote verified ↩ ↩2 ↩3

  2. SPL-012 Gearbox Oil Level Check — slide 2 · ✓ quote verified ↩ ↩2 ↩3 ↩4 ↩5

  3. SPL-012 Gearbox Oil Level Check — slide 3 · ✓ quote verified ↩

  4. SPL-012 Gearbox Oil Level Check — slide 1 · paraphrase ↩ ↩2 ↩3

  5. SPL-012 Gearbox Oil Level Check — slide 2 · paraphrase ↩ ↩2 ↩3 ↩4 ↩5

  6. SPL-012 Gearbox Oil Level Check — slide 3 · paraphrase ↩ ↩2

  7. SPL-012 Gearbox Oil Level Check — slide 2 · generated description ↩

  8. SPL-012 Gearbox Oil Level Check — slide 3 · generated description ↩

Provenance badges✓ quote verified the quoted words were found verbatim in the source textparaphrase reworded from the source text; numbers checked, no verbatim quotegenerated description written by a model to describe a figure; not a quote

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