The fire pump is critical to any fire protection plan. It must start for the first time and work well during a bushfire emergency. Regular maintenance will ensure that the pump is primed ready for action at short notice and will reduce stress during final preparations on the day of high bushfire danger.
In this post, we’ve run through some of the most important maintenance procedures to perform on your fire pump and cover some of the complications that could result from neglecting them:
It’s important that you run the engine for a few minutes on a regular basis during the fire season. Bear in mind that fuel can become stale in just a few months and must be replaced. Using a fuel additive can extend the fuel life. Make sure the fuel tank is left full and that you have sufficient additional fuel on site for refills during an emergency.
Check the oil level in the engine and refer to the engine manual for the type of oil needed if the level needs topping up. The pump must be on level ground to ensure the oil sensor detects the correct oil level in the engine. The engine will not run if there is insufficient oil.
Check the air filter is clean and there is sufficient air flow around the engine.
Outside the fire season, consider getting the engine serviced once a year to keep the engine in top condition.
Check the pump bowl is full of water by removing the filler cap on the top of the pump. Replace the cap before starting the engine.
Aussie fire pumps are self priming so once set up they should hold their prime unless drained. If the bowl is empty, refill it. Never run the pump without water running through it.
On starting the pump, water should be expelled through the discharge port within minutes. The length of the suction and discharge hose will determine the time taken to prime.
The pump will not prime if there is an air leak in the suction hose or the strainer is blocked. Check the suction hose coupling includes the seal and that it’s in good condition, and that the strainer is fully submerged and not blocked.
Run the pump at full revs for the best performance.
If the pump is used for pumping saltwater or chemicals it must be flushed with clean water immediately after use. Failure to do so can lead to corrosion of the impeller that can cause it to seize.
With the pump running, check for leaks. If water is leaking from the back of the pump the mechanical seal needs to be replaced. An Aussie rejuvenation kit is simple to fit and can be done by any mechanically minded person. Details available online.
Hoses & Sprinklers
Your hoses need to be in good condition and long enough to reach around your property. Sprinklers should be run to ensure they are not blocked.
Share the Knowledge
Regular practice is the best way to ensure that everyone in the household and even neighbours are familiar with starting and using the pump and the hoses.
Maintaining your fire pump is essential for your safety during the bushfire season.
Hope for the best, prepare for the worst.
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