Ac Compressor Test Bench

In most cars the air compressor is located near the upper left section of the engine compartment.

Ac compressor test bench.

Test bench ms111 is used for diagnostics of the piston axial piston rotor and scroll compressors if vehicle climate systems on r134a or r1234yf. Diagnostics of all types of 12 24v compressors of belt driven vehicle air conditioners in both automatic and manual modes. Then attach the black wire to the negative side of the battery. Https bit ly 2kmxwvk r134a freon operated test bench for diagnostics of ac compressors.

A reading of 0 00 indicates that there s a short in the windings. Step 2 check the belt connected to the compressor for any tears rips or notches on both the inner and outer sides of the belt. Connect your negative or black battery cable with the grounded contact in the compressor. Open the hood of your vehicle and locate the air compressor.

Connect your ac compressor clutch to a 12 volt battery to see if it engages. Connect the positive or red wire to the positive side of the battery. Test for ac compressor clutch function. Knowing when your ac compressor is running or not is critical to diagnosing the ac system but also for charging the.

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.