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SECTION 4
OPERATIONAL PERFORMANCE TEST
Group 1 Introduction
Operational Performance Tests ...................................... T4-1-1
Preparation for Performance Tests ............................... T4-1-2
Group 2 Standard
Operational Performance Standard Table ................. T4-2-1
Main Pump P-Q Diagram ...............................................T4-2-10
Sensor Activating Range ................................................T4-2-12
Group 3 Engine Test
Engine Speed ....................................................................... T4-3-1
Lubricant Consumption ................................................... T4-3-3
Group 4 Machine Performance Test
Travel Speed ......................................................................... T4-4-1
Service Brake Function Check ........................................ T4-4-4
Service Brake Wear Amount ............................................ T4-4-6
Parking Brake Function Check ....................................... T4-4-7
Bucket Stopper and Bell Crank Stopper
Clearance .......................................................................... T4-4-8
Hydraulic Cylinder Cycle Time ......................................T4-4-10
Dig Function Drift Check ................................................T4-4-12
Bucket Levelness ...............................................................T4-4-13
Control Lever Operating Force .....................................T4-4-14
Control Lever Stroke ........................................................T4-4-16
Group 5 Component Test
Primary Pilot Pressure (Including Brake Circuit) ...... T4-5-1
Secondary Pilot Pressure .................................................. T4-5-4
Main Pump Delivery Pressure......................................... T4-5-6
Main Relief Set Pressure ................................................... T4-5-8
Steering Relief Pressure ..................................................T4-5-12
Overload Relief Valve Set Pressure .............................T4-5-14
Main Pump Flow Rate Measurement.........................T4-5-16
Service Brake Pressure (Front and Rear) ..................T4-5-24
Parking Brake Release Pressure ...................................T4-5-26
Brake Accumulator Pressure ........................................T4-5-28
Brake Warning Pressure (Pressure-Decreasing) .....T4-5-30
Brake Warning Pressure (Pressure-Increasing) .......T4-5-32
Transmission Clutch Pressure .......................................T4-5-34
Torque Converter Pressure (Inlet) ...............................T4-5-36
CONTENTS
Group 6 Adjustment
Rewrite of Aftertreatment Device Serial NO. ............ T4-6-1
Clean DEF Tank..................................................................... T4-6-2
Transmission Learning ...................................................... T4-6-3
Lift Arm Angle Sensor Learning ..................................... T4-6-7
Digging Position Adjustment ......................................... T4-6-9
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