National Wildfire Coordinating Group

RT-130, Wildland Fire Safety Training Annual Refresher (WFSTAR)

Troubleshooting the Amazing Mark III Pump

RT-130 Decorative banner. Group of photos depicting wildland firefighters performing various duties.

From setup, running and shutdown, proper procedures to reduce the need for troubleshooting a Mark III pump are discussed.
Category: Operations
Core Component(s): Incident Reviews and Lessons Learned
Estimated Delivery Time: 30 minutes; Video Length: 11:06



Following the proper procedures to setup, run, and shut down a Mark III pump will reduce the need for troubleshooting and increase fireline operational efficiency.

Facilitator Preparation

  • Review the video and module tools.
  • Consider additional activities and discussion questions pertinent to the location and agency.

Facilitating the Discussion

  • Show the video.
  • Facilitate a small or large group discussion using the following discussion questions.

Discussion Questions

  1. How can you prime the pump if there is not a hand pump available?
  2. Does the pump’s fuel mixture change in different regions?
  3. How long does a pump need to warm up?
  4. What can happen to the pump if you run it without water?
  5. What safety mechanism is in place to avoid over-speeding or revving from a lost prime?
  6. What can happen if you choke a pump that is already warmed up?
  7. How can you tell if you have flooded the pump?
  8. What are the some of the steps to get a flooded pump running? Are there additional tricks not shown in the video for getting a flooded pump started?
  9. What will happen if you reinstall the crank case bolt without the copper gasket?


Additional Video Information

This video is also available as a download. (57 MB)
Download the .srt file for closed captioning (you may need to right click and Save As). For information on how to add closed captioning to a video, see this how to page.

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