The tool salesman tries to sell you a micron gauge for your HVAC repairs. What is going on here? How are filters, vacuum pumps, and (ex)planets related?
Emergency Vehicle HVAC Balance
How is balance relevant to the HVAC system? The short version is that the amount of refrigerant must be balanced with the interior volume of the system.
What the HVAC System Needs
The HVAC technician’s duty when performing maintenance is to understand each component clearly and inspect for anything that could impede its function.
Introduction to Emergency Vehicle HVAC: What is Heat?
The concept is how can we move the heat from inside the box to outside the box? It really doesn’t matter what the box is.
Just Ask Engineering: What Makes a Part Reusable or Not?
When rebuilding a pump, deciding what to replace versus reuse is a common question. Fortunately, the process is straightforward: break the pump into individual components and evaluate each piece one at a time.
EV Tech Talk: What Happens When You Shift Out of Road Mode Into Pump Mode?
Fire department training divisions should include some input from the mechanical division. As a mechanic, I can’t teach someone the proper way to put out a fire. I’m not trained for that. In the same breath, firefighters aren’t expected to know how the equipment they use works mechanically. Although firefighters don’t need to understand how to fix the equipment, a general understanding of how something works affects how they use it.
Pump Packing vs. Mechanical Seal
In this article, we are going to discuss what packing and a mechanical seal are. But first we need to know what the purpose of these “seals” is in our pumping systems. To put it very simply, they keep the oil and water separated.
Five Top Preventive Maintenance Tips for Fire Pumps
The fire pump is arguably the most important piece of equipment on an engine, and pump manufacturers have specific guidelines for keeping fire pumps in the best working order. We spoke with two W.S. Darley & Company pump experts, Greg Field, vice president of pump manufacturing operations, and Shawn Kelly, training manager, about the subject and they gave us five preventive maintenance tips to keep your fire pump in top shape.
Podcast: Social Media Community for Fire Apparatus Technicians
F.A.T. Talk is a community on Facebook for fire apparatus technicians. Now counting more than 3,100 members, the community is a place for fire apparatus technicians globally to gather and share information. Join Chris Mc Loone and F.A.T. Talk founder Greg Moore as...
Atoka (TN) Fire Department Gets Sutphen SLR 75 Aerial-Ladder Quint
Atoka decided on a SLR 75 built on a Monarch heavy-duty custom chassis with a 62-inch four-door extended cab and a 10-inch raised roof seating five firefighters, three of them in SCBA (self-contained breathing apparatus) seats.
Exxon Mobile and Dow Chemical Demand Big Water
An industrial setting requires fire trucks to flow a high volume of pressured water and foam at an extremely high rate of speed to elevated storage tanks and large processing facilities.
KME Delivers 101-Foot Tractor-Drawn AerialCat to West Palm Beach (FL) FD
This marks the first TDA ordered for the city of West Palm Beach. West Palm also has ordered a 103-foot 4 Section Tandem Axle KME Tuff Truck™.












