Caused by the gear pump heat the main reason

Analysis of gear pump heat: When using 2CY-4.2 / 2.5 gear pump, there will be pump body fever, the following reasons: 1, high ambient temperature, small tank volume, poor cooling, will make the pump heat. 2,2CY-4.2 / 2.5 gear pump rotation can cause poor rotation of the gear pump heat, should be handled separately: (1) 2CY-4.2 / 2.5 gear pump dirt. Disintegrate to remove foreign matter. (2) axial clearance or radial clearance is too small. Re-adjust and repair. (3) Poor coaxiality between pump and engine coupling. Coaxiality should be guaranteed within 0.1mm. (4) Pump parts are not demagnetized. All parts must be demagnetized before assembly. (5) The working oil outlet is blocked. Remove foreign body. (6) Incorrect assembly. 2CY-4.2 / 2.5 gear pump two pin hole machining reference plane is not assembled reference plane, such as the first pin into, and then tighten the screw, the pump will not move. The correct way is to turn the gear pump while tightening the screws, and finally with the pin hole and into the pin. 3, the oil viscosity is too high or too low. Re-election oil. 4, side panels, bushings and gear face serious friction. Repair or replace. Exclusion method can also refer to its implementation. (This article by the Asian fluid network members Botou Gear Pump Factory editor release, reprint please specify Asia Fluid Network, Business Advisory Hotline :)

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