Connect the meter in series with the device then apply 12 volts to see what the current reads. The clutch can also be inspected by.
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. Mercury-Lincoln AC Compressor Clutch For Sale. I replaced the compressor dryer orifice leaked tested it vaccumed and recharge. Mpn98488 - brandfour seasons - typesair compressor hvac - categoryauto parts air conditioning heat mercury lincoln ford ac compressor clutch.
Free shipping on qualifying orders over 100. Picked it up took it for a drive and blew fuse in 5 minutes. Perform an AC clutch coil resistance test with an Ohmmeter.
But with the plug on the low side switch removed I can run a lead direct to the 12v batt post and get solid clutch engagement. Save Reply moparado Registered Joined Apr 19 2018 3768 Posts. But can see if the clutch is ok the compressor turning real hard could put a strain on the clutch itself causing amps to increase.
The issue that you may have is the pulley bearing seized up and may have spun on the front of the compressor nose cone and will. The shaft turning smoothness inspection should be done next remove the compressor completely from the vehicle with all the caps removed use a wrench to turn the compressor. Choose a location on the wiring diagram that will isolate the compressor from any other loads such as the condensing fan motor.
Shorting the contacts at the connector on the low side of course makes no difference. This one gives instructions how how to properly check amp draw of the compressor in the AC or heat pump. I am trying to find a way to diagnose the clutch issue manually.
Va914 on Fri June 04 2004 851 AM. Searching the Internet tells me that the average current draw for a 12V magnetic clutch is approx. Search Auto AC Forum Archives.
The 25 amp circuit beaker trips the wiring at the HP cutout is starting to smoke and the wire insulation is deforming. When I check volts and amps through the harness to the compressor I get 12v and no amps not even enough to light up my test light. If the charge Amps stays above say 3 to 4 Amps most likely a bad battery.
I am retrofitting a 508 into my system and have a Q. Ad Search Over 10 Million Heavy Duty Truck Parts. Current draw 50 amps 25 amps Engagement speed 0 to 3000 rpm X426 0 to 2600 rpm X430 Drive pulley O.
Up to 8 cash back Recommended Services. Voltage drops to 125 from the 14 volts otherwise. A reading of 000 indicates that theres a short in the windings.
Air Conditioner Compressor Clutch - 25 to 5 amps Heater AC blower motor depends on load size and speed setting - 2 to 30 amps Measuring Amp Loads One way to measure the amp load in a circuit or device is to use a multimeter that can read amps. There are 2 connectors for the AC compressor the C1 connector at the top and front and the C2 connector under and towards the back. Lights in room might dim because of higher than normal amp draw.
Less currentamps needed to get the motor rolling now. If the charging voltage drops below 2 amps the battery is probably OK. Yes you can just replace the clutch pulley on the ac compressor.
Im not sure if this tells you your compressor may be bad and maybe only the clutch coil itself. The current draw on the compressor clutch is over 20 amps DC. Hes dealt with the refrigerant R1234yf but not the AC compressor itself so I have a few questions.
On my charger a good battery will drop down to about 1 to 1 12 Amps. What is an AC compressor clutch and what does it do. Bus aIr ConDItIonIng Compressor anD CLutCh Today in the bus transportation business operating costs are critically important.
Older units will draw more current. It is a 6 Amp charger. Air conditioning clutch energized at all times causing 3 amp draw 1 - 9 of 9 Posts V Vegas Chuck Registered Joined Sep 9 2021 6 Posts Discussion Starter 1 Sep 9 2021 2014 WK2 36l Limited has parasitic draw of 28 amps if you pull fuse 62 draw is gone any input is appreciated.
Sanden 508 amp draw. Turn the internals clockwise and check for areas where it is rough to turn if there are any rough spots these are problem areas. The GMFrigidaire A-6 long type compressor shares the same basic design as the Sanden with one additional cylinder.
Dash AC clutch current draw. The compressor is a Tama and the only marking is SAE. This is the draw after start up.
Took it back to the shop and they say new compressor is bad AC Delco. Compressor clutch is new takes 3 amps to run it within specs Alternator is new puts out 55 amps clean voltage. If you had a 24volt relay to control it but wired in the 12 volt to the clutch and drew off a converter id think it would be a pretty simple wire job.
It has the same characteristics except that it is very large both in capacity and external dimensions. Similar current draw can occur in a DC coil of a solenoid a relay and even in our AC compressor clutch too. It is about 125 inches long and 5 inches in diameter with over 12 cubic inches of displacement per revolution.
Or a 12 amp draw 120 volts ac. Problem persists even if I disconnect the AC and jump the compressor right to battery. Should I put a relay in-line between the thermostat and the 508.
Been suspecting slipping belt yet no noise and everything visually turns at full speed. It has nothing to do with what the correct amperage draw should be under its various load conditions. The current compressor is wired directly to the thermostat.
Automotive Air Conditioning Information Forum Archives Provided by www. 16 years of experience. Same Day Shipping Available.
Grab and hold your ceiling fan blades then turn it on. As can be seen below from the 04 FSM p24-13 the clutch coil amp draw should be 20-39 amps with system voltage between 115-125V. Try again without holding the ceiling fan blades.
The issue is the AC clutch will NOT engage. A reading of OL or infinity indicates an open in the windings. Up to 25 cash back Thank you for holding Kishore The correct size fuse for the AC clutch on your 2010 Buick Lucern is in fact a 10 AMP fuse fuse 4 and the common cause for this fuse blowing is usually due to excessive draw from the AC clutch coil providing there is no short to ground in the Dark green power feed wire from the fuse panel to the AC.
Finding ways to. Just doing a few searches on other AC clutch amp draw and it seems they trun around 3-5 amps 12 volt so I serously doubt yours will be more than double that. When measuring the amperage draw of a compressor make sure to read only the amperage drawn by the compressor.
Shop then added another pound of freon to it. Typically a clutch coil should be between the range of 2 to 5 Ohms and any reading below 2 Ohms or over 5 Ohms indicates a bad coil. They left it running for two hours did not blow the fuse.
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