25. Pressure switch settings, common to many air compressors, are set for a range of 40 to 250 PSI and an adjustable differential of 35 to 60 PSI. As to the regulator, if you Google general purpose regulators you’ll find many, and they are not that expensive. Selecting the right pressure switch is simple when you know what to look out for. For the best site experience please disable your AdBlocker. You will need rubber coated sheet material, cut to shape, punch a few holes in it, and presto, back in business...Dave, Some of the add-ons on this site are powered by. The safety valve pops open to relieve excessive air pressure if the pressure switch fails to shut off the air compressor at the cut-out pressure setting. Contact the air compressor repair manufacturer to buy a new assembly. 4.6 out of 5 stars 205. $16.25 $ 16. Also, install a plastic tube to the unloader valve to prevent breakage in the future. The rebuild kit includes the cylinder sleeve, piston and seals. 90. First, let me show you the steps for adjusting the pressure switch in any compressor and then I will tell you about both the fixed range and adjustable range screw arrangements for setting a pressure switch. 25. Or, remove the cover from the switch (unplug the compressor first) and locate the pressure switch part number. 1. Follow the steps in this repair guide and video to install the air compressor pump rebuild kit on Craftsman, Porter Cable, DeWalt and Devilbiss air compressors. The air compressor pressure switch will also help your machinery maintain the proper pressure level … So if you don’t want to try and fix the broken regulator adjustment knob, replace the whole thing, and save the new gauge that will come with the regulator as a spare.eval(ez_write_tag([[468,60],'about_air_compressors_com-banner-1','ezslot_3',147,'0','0'])); New comment? Brand new complete rebuild kit for: VT Series Campbell Hausfeld, Speedaire, Sears, and Wards compressors. Square D by Schneider Electric 9013FHG12J52M1X Air-Compressor Pressure Switch, 125 Psi Set Off, 30 Psi Fixed Differential, 1/4" Npsf Internal, 2-Way Release Valve, Auto/Off Cut-Out Lever . The step-by-step repair guide and video explain how to replace an air compressor pressure switch in less than 45 minutes. Hey Michael. A pressure switch is a standard component of an air compressor, and its main function is to tell the compressor when to start and when to stop. These switches meet pressure and electrical requirements of air compressors. Also after I did this, the friend that was helping me, tells me that the adjuster knob, (see photos 2-3) for the pressure in the tank was stripped, but in (photo 3) it is cracked, & I don’t know if this has anything to do with the problem that I’m faced with. In an adjustable pressure switch, you will find two types of screw arrangements. More than 16 years on line helping folks with their air compressor problems! If air leaks out the unloader when the pump stops, replace the check valve because the check valve leaks air back towards the unloader. 4.6 out of 5 stars 202. Replace the safety valve if it leaks air constantly. I would braze in a new thread. The air compressor unloader valve is usually built into the pressure switch assembly. FREE Shipping on orders over $25 shipped by Amazon. Most air compressor models use a kit for rebuilding the air compressor pump. FREE Shipping on orders over $25 shipped by Amazon. Click Here to view other pressure switch technical videos/docs. Square D 4 Port 135-175 PSI Air Compressor Pressure Switch 9013FHG54J59M1X New. Replace the safety valve if it leaks air constantly. What Is an Air Compressor Pressure Switch? Before buying a new pressure switch, do note that pressure switches should be replaced by a qualified and certified electrician. This short pressure switch video helps explain the many different types of pressure switches and how to choose the correct one. Terry M. FENWAI model FW-10 pressure switch rebuild These pressures are automatically regulated by the factory-installed pressure switch for safety, so only set them if you are putting a replacement pressure switch on your compressor. We'd welcome it here! Simple when you know what to look out for s my experience that putting these puppies back together an! This short pressure switch rebuild adjustable pressure switch, do note that pressure switches should be by. And the other one is for an adjustable range motor, will cause extra on..., please enable JavaScript in your browser before proceeding look out for unloader valve to prevent breakage the. Controls or alarms when a set pressure is reached, piston and seals short pressure switch is an exercise frustration... The regulator, if you want to persist, here ’ s the electric counterpart to the unloader! 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