CAT Hydraulic Pump Troubleshooting Guide > 자유게시판

This troubleshooting guide is meant that can assist you get your CAT hydraulic pump working once more. It can cowl the commonest issues and their options; thus, enabling you to rapidly put your machine again into use. If the pressure produced by your CAT hydraulic pump is incorrect, you should try a number of issues to revive it again. Here are a few of the most typical bother-shooting procedures for a CAT hydraulic pump that this manual will information you thru. Digging Software - Heavy responsibility digging requires greater pressures and move rates. Excavator Size - Greater excavators need pumps with more horsepower and capability. Operating Pressures - Match rated working strain to the pump specs. Operating Pace - Increased RPMs can provide extra movement. Responsiveness - Pumps with variable displacement assist present fast movements. Environmental Conditions - Certain pumps are higher for excessive cold, heat, or other situations. Noise Stage - Pumps generate noise that needs to be within snug operator ranges.

Such pumps have been designed with the purpose of offering a simple and reasonably priced answer for low-stress necessities. This part will talk about what gear pumps are and their main options, professionals and cons whereas using them in excavators in addition to some applications where they're mostly used. Definition and Main Options Gear Pump Gear pumps signify optimistic displacement units which generate stream by meshing collectively two gears. As these gears rotate, so does their pumping motion which moves fluid from an inlet in direction of the outlet. Totally different fashions can be found such as external or inner sort amongst others. Below is an overview of the five primary hydraulic system components your equipment incorporates. The reservoir is what holds the hydraulic oil. It’s a protective container that retains the hydraulic fluid readily obtainable for use by the hydraulic system components. The reservoir itself is sealed and designed to forestall hydraulic fluid from becoming contaminated with foreign materials, dirt and condensation by means of its filters. The reservoir additionally plays a role in helping to power the hydraulic pump parts system by providing a capacity for heat transfer.

I never get bored with watching one of those grabbers deal with used automobiles, ripping them apart and throwing them around like toys. Anyway, the machine did seem to be "lacking power" because the hydraulic pump was stalling the engine each time a fast movement was requested. Clearly, it had one thing to do with the torque limiter management of the pump - a basic Hydromatik A8VO (yes, it was an O&K, so it had to be a Hydromatik A8VO), outfitted with the torque limiter with hydraulic override. The potential of overriding the principle pump's torque limiter setting is a typical feature for such machines. It permits the pump torque demand to follow the engine's torque delivery at various rpm and the overriding pilot stress is normally controlled with an electric proportional pressure reducing valve. But where might I get a proportional electric signal on the spot to make the valve work? Wait a minute, it's a scrap yard, you may build something from scrap!