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Work shop manual for ps18m pilot air compressor

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Hi There, We are in a rental property and have a bosch 21e hot water system. We haven't been getting hot water and the gas bottles have been checked and are full. Do we have to light the pilot and are...

You may have a dirty pilot orifice. Try this. Turn off the pilot by turning the control knob to off. Remove the front panel to get access to the pilot orifice. Use a can of compressed air with attached straw (the same stuff you use to clean computer keyboards) and blow out the pilot orifice, which is inside the pilot assembly where the pilot flame burns. Blow it out from the top and from the sides through the air holes. Then relight the pilot and see if that improves the flame size and color (blue) to heat the thermocouple.
Here is a link to the manual and instructions.

Mar 23, 2011 | Heating & Cooling

1 Answer

I have a roll air compresor its the weelbarrow type gas powerd wen i start it it fills up then it shuts off it will start again wen tanks are empty and the prosses has to be repited over an over

The pilot valve controls the pressure, idles the engine when set pressure is obtained and releases compressed air thru small vent while the engine is idling. If the idle is set too low, the engine may stall. Try increasing idle speed and make sure that when set pressure is reached that air is venting from pilot muffler vent. The pilot valve can be easily tested. With engine off and pressure in tank, flip the pilot valve start lever up then down. When flipped up, the throttle control shuld activate idle and the pull rope should be easy to pull. With lever down, throttle is pulled on engine and compressor is loaded making the rope very difficult to pull. If the engine stalls with air in the tank flip lever up to easily start engine then down to pump. Good holidays

Dec 19, 2010 | CRL 4hp Gas Powered Compressor

1 Answer

I have a 45920I air compressor and the unloader vavle does not work do the compressor does not shut down when it is full. Also the idle solenoid cable sticks. How can I get these things and do they make a...

You can use universal pilot valves and throttle control. Shop on ebay or Look closely at the fittings that are required to fit a different valve on your compressor. Most all pilot valves work the same however there are hundreds of fitting combinations. The throttle control is easier because they usually all have 1/8 thread into the pilot. Universal parts cost much less. I would suggest taking your compressor to a shop that specializes on air compressor repair and they could suggest what pilot would work best. Good holidays

Dec 01, 2010 | Northstar Air Tools & Compressors

1 Answer

Hard starting does this model have an unloader

There are two types of unloaders used on IR compressors. One is oil pressure controlled, and second is manually activated for starting. According to the photo and model number provided, yours is manually operated. Follow air line from compressor to tank. The pilot valve (brass valve) between airline and tank is a multi-function component. There is a flip leaver or pull ring w/ hold that unloads the compressor by venting air thru small muffler. The valve also contains the check-valve holding pressure in the tank, a means of adjusting pressure and controlls throttle for engine. For easy start, flip leaver upright and start; to run, flip leaver to right angle of stem.

Nov 19, 2010 | Ingersoll Rand 2475F13GH Ir Stationary...

1 Answer


the pilot valve or control valve when it unloads sends a air signal to close the motor throttle down to idle and depending on what form of control it uses for the compressor it will either use head unloaders to hold open the inlet valves or a unloader that dumps the compressor output to atmosphere, this one uses a silencer mounted near the pilot valve. if it uses this type remove the silencer and retest the operation. either you have a motor that is out of adjustment or the compressor is not unloading!

Jan 24, 2010 | Air Tools & Compressors

1 Answer

2004 Honda Pilot A/C stop working. No clicking sound or cold air

See if it's the compressor by watching the compressor either spinning ( compressor is working ) or not ( compressor not working ). Compressor will not engage if refrigerant is low. Add R-134a ( 12 oz. can )

Sep 08, 2009 | 2008 Honda Pilot

1 Answer

2003 Honda Pilot a/c compressor stopping after 2 secs.

If i was guessing on this problem i would say that the pressure switch is malfunctioning and telling the computer to shut the a/c down. It could be a power stearing or a throttle switch as well.

Jul 24, 2009 | 2003 Honda Pilot

2 Answers

The air conditioning on my Honda Pilot 2008 does not cool. It only blows warm air. Help.

1 st you should take into shop and have them do a vacume test on system ( they will **** out any freon and let system sit with a vacume pressure - to determain if there r any leaks ) if no leaks and everything else chks out just charge system --- or compressor is bad

Jul 02, 2009 | 2008 Honda Pilot

1 Answer

How do make air compressor shut off at your desired air pressure

You compressor has a pilot valve that controls the tank pressure and the speed of the engine. Locate the brass pilot valve, (It has a flip lever that unloads the compressor) you will notice that it has two locking nuts that allow for adjustment when loosened. Loosen the small lock nut and turn the upper-most part of the pilot valve out to reduce pressure, in to increase pressure. Hope this helps, enjoy.

Dec 11, 2008 | Honda Quincy 17 - Gallon Air Compressor...

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