Hyundai Robex 22-7, Руководство по обслуживанию

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5-4 Performance test of the hydraulic pump
5-4-1 Measuring instrument
Measuring range of flow rate ( / min) 7~ 200
Measuring range of pressure 0 ~ 34.3MPa(350kgf/cm
2
)
Measuring range of temperature (
°
C) 0 ~ 150
Port size PF1 O ring type
Pressure gauge 49.0MPa(500kg/cm
2
), 4.9MPa(50kgf/cm
2
)
Tachometer Diesel tachometer (digital type)
Hose for testing
5-4-2 Preparation
1. Park machine on flat ground and stop engine.
5-4-3 Connecting tester
1. Remove the hose on the pump port of the control valve.
2. Connect the removed hose to the outlet of the tester.
3. Connect the hose on the discharge of the pump to the inlet of the tester.
4. Connect pressure gauge to port measuring port.
5-4-4 Measuring procedure
Open the throttle valve of the tester and start the engine. Read the pressures on the
pressure gauge and measure the flow at that time. At the same time, record the engine
speed.
Hydraulic
pressure tester
5-4
Equivalent to the hose of 20.6MPa
(210kgf/cm
2
) high pressure (Nominal size
PF3/ 8-PF3/ 8
×
1m)