Feature: 1) Removing the clutch rotor using a puller. 2) Removing the bearing from the clutch rotor. 3) Measuring the clearance between the compressor clutch friction surfaces. 4) Ohm checking a one wire AC compressor clutch coil, the ground is supplied through the body of the compressor. 5) Two types of high-pressure cutout switches. The single function switch interrupts compressor function if system pressure becomes too high. The dual function switch first engages the high-speed cooling fan in an attempt to lower pressure by increasing heat transfer at the condenser. However, if system pressure continues to rise after the fan has been engaged, then the switch will interrupt compressor operation. 6) Holding the clutch hub with a suitable tool while the bolt or nut is removed. 7) Removing the clutch plate and hub using a puller. 8) Searching related installation video on the internet will be also recommended. Compatible with: JOHN DEERE 450CLC JOHN DEERE 450DLC JOHN DEERE 600CLC JOHN DEERE 600DLC JOHN DEERE 800C JOHN DEERE 800DLC Excavator JOHN DEERE KOMATSU PC300 KOMATSU PC450KOMATSU PC400HitachiKawasakiKobelco Part Number: 447220-4781 20Y-979-6121 17A-911-4810 447220-4780 Package included: 1 x Clutch Plate 1 x Pulley Bearing 1 x Electromagnetic coil
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