... portTravel(LH, Forward)Travel(LH, Backward)Travel(RH, Forward)Travel(RH, Backward)Port sizePF 1/4(290LC-7) 2-7 3
2-7 7CROSS SECTIONThe construction of the RCV pedal is shown in the below drawing. The casing ... Hexagon socket bolt30 Plug25721222019141512124523417 15131118309, 10162327 28 296826(290LC-7) 2-7 4
2-7 82. FUNCTIONFUNDAMENTAL FUNCTIONSThe pilot valve is a valve controls t...
... upfunction is canceled- Coolant temperature : Above 30°C- Mode : Default(S mode )- Warming up time : 10 minutes(Max )- Warming up lamp : ON- Default mode- Default mode- Changed mode- Warming up lamp ... lamp- Coolant temperature : Less than 30°C(After engine run )- Accel dial position is under 3- Coolant temperature : Above 30°C- Warming up time : Above 10 minutes- Changed mode se...
... SYSTEMGroup 1 Hydraulic Circuit 3-1 Group 2 Main Circuit 3-2 Group 3 Pilot Circuit 3-5 Group 4 Single Operation 3-1 3Group 5 Combined Operation 3-2 3
GROUP 1 HYDRAULIC CIRCUITSECTION ... Accumulator36 Accumulator37 Stop valve38 Port relief valve39 Port relief valve40Selector valve 3-1 25073HC01
... hydraulic tank through the control valve and the oilcooler.To oil coolerSuction filter(290LC-7) 3-2
3-3 All oil from each actuator returns to the hydraulic tank through the control valve.The bypass ... flow filterCheck valve(1)5.0kgf/cm2Check valve(2)3.0kgf/cm2Check valve(3)1.5kgf/cm2Oil cooler25073HC02
3-4 3. DRAIN CIRCUITBesides internal leaks from the motors and main pump, the oil...
... LEVER(RH)HYDTANKLINEFILTERSAFETYSOLENOID VALVEMAX FLOW CUT OFFSOLENOID VALVEPm2MPm2Pm1Pm1BUCKET CYLINDERBOOM CYLINDER25073HC08
3-1 2When carrying out the combined operation of swing and boom or arm of the left control valve, ... boost solenoid valveLine filterMax flow cut off solenoid valveSwing speed reducing valve25073CI03
3-6 BUCKET CYLINDERBOOM CYLINDERARM CYLINDERTRAVEL MOTORSWING...