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Barko 495B - SE Service Manual
Also see for 495B - SE: Operator's manual
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Contents
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Service ManualLast Updated - 9/28/2016495B SE (S)38PUMP ADJUSTMENTS (AA11 SAW PUMP)ADJUSTING WORKING PRESSURE (2800 PSI) AND STANDBY PRESSURE (425 PSI)Standby PressurePump CompensatorMax Displacement (Saw Speed) Adjustment1. Install an electronic (digital) pressure gauge on thesaw pressure test port located next to the pressureport on the pump.NOTE: When setting standby pressure, pressure willspike to approx. 2800 PSI before reading 425 PSI.This will ruin a 1000 PSI gauge. Use an electronic(digital) pressure gauge to check standby pressure.2. Run engine at low throttle with saw OFF.3. Loosen jam nut on Standby Pressure Adjustment,with 1/2" wrench.4. Adjust Standby pressure to 425 PSI by turningscrew in or out with a 5/32" allen wrench.(turn screw clockwise to increase,counterclockwise to decrease).5. Tighten jam nut.6. Stall saw or plug pressure line.7. Run engine at full throttle.8. Turn saw ON.9. Adjust Pump Compensator Pressure to 2800PSI by turning screw in or out with a 5/32" allenwrench. (turn screw clockwise to increase,counterclockwise to decrease).10. Tighten jam nut.11. Turn Saw OFF.12. Shutdown engine.13. Unstall saw or replace pressure line.14. Remove pressure gauge.The torque control is factory set and generally will notMinimum DisplacementAdjustmentTorque Controlrequire adjustment. Turning the screw in (clockwise) willincrease the load on the engine by holding the pumps on stroke at a higher pressure.SAW SPEED (RPM)The saw speed can be adjusted using the Max Displacement Adjustment. Turn in to slow saw down and out to |
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