Winterizing Apparatus Cooling Systems

Issue 10 and Volume 139.

Winterizing Apparatus Cooling Systems TRAINING NOTEBOOK As the winter season approaches, many departments will be servicing their apparatus cooling systems. However, keep in mind that maintaining a cooling system is an ongoing process that should be carried out more than once a year. Unfortunately, many departments service their apparatus cooling systems on an annual basis only. ANTIFREEZE First, let’s discuss antifreeze. There are several common mistakes that are made when installing antifreeze. One of the biggest misconceptions is that all you have to do is add some new antifreeze to last year’s supply, and that will be sufficient until next year. In most areas of the United States, a mixture of 50% antifreeze and 50% water will be adequate. If this balance is off, it can cause big problems. Antifreeze is in a progressive state of breakdown. Simpfy adding to last year’s supply will tip the scales and result in…

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