@@dasbhabani031 *Why are the odd number of pistons incorporated in an Axial Piston Pump* 1. With two pistons, there is one piston in the intake phase and another in the delivery phase. But during actually one piston cannot stay either in intake or delivery all the time. This results fluctuating fluid flow. But when you have three pistons, there is one piston in the intake phase and another in the delivery phase all the time. As a result, fluid flows in an unbroken motion so that it results into smooth running pumps. 2. Even numbers of piston generates fluctuation in in flow rates or pressure which cause fluid Pulsations. But when there’s an odd number of pistons, each stroke provides smoother flow, hence there is no pulsation. 3. As there is a consistent flow and with minimum vibration, machine gets less mechanical stress and even load distribution results parts reliability ie. longer parts life.
Advantages : 1. Hydraulic axial piston pumps are highly efficient due to their design, resulting in better energy utilization and reduced heat generation. Volumetric efficiency is 95% of the total efficiency of about 90% 2. This high efficiency is critical for maintaining the overall performance and longevity of a hydraulic system. 3. Hydraulic axial piston pumps offer variable displacement capabilities, allowing for precise control of fluid flow and pressure 4. The precise control achieved through variable displacement contributes to better controllability of the hydraulic system. Disadvangaes 1. Cost is a major disadvantage of a piston pump, as they can be expensive affairs up-front. 2. Complexity of the machinery. 3. If not properly lubricated, the mechanical parts within a piston pump are prone to wear due to the high pressure they are placed under and the psi they generate. 4. Require a higher filtering accuracy and high level of maintenance standards. 5. Higher operating cost compare to gear or vane type pump.
PRESSURE RELIEF VALVE : 1.Normally closed type Valve 2. Fitted in bypass line to reservoir tank 3. Outlet is connected to reservoir tank 4. It opens when the inlet pressure (System Pressure or Pilot Pressure) becomes more than preset value 5. No bypass check valve is required. 6. No external drain line. PRESSURE REDUCING VALVE : 1. Normally Open type Valve 2. Fitted in Main line to system 3. Outlet is connected to the system 4. It closes when outlet pressure( System Pressure or Pilot Pressure) becomes more than Preset value 5. Bypass check valve installed. 6. External drain line installed.
1. Check Alternator W point to ECU and ECU to tachometer line 2. May be the Alternator is having an issue 2. ECU input need to check 3. ECU output need to check 4. Tachometer malfunctioning and it's input need to check.
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