MEASURING& ADJUSTING PRESSURESSK115DZ M/C LPU-5001~ INSPECTIONITEM Cleanliness of HydraulicOil Temperature of HydraulicOil EngineCoolantTemperature STANDARDS FOR TESTING
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LowIdle Hi- Idle
PRESSURE MEASURING J, Uj~nl CONDITION, Point READING FROM SPECIRCATION FUNCTION HydraulicOil Tank Class: NAS7-9 N/A TakeSample HydraulicOil TankSurface ’C- 45-55°F-113-131 N/A AmbientTemperature -10oC_ 50oc RadiatorSurface !°C- 60-90°F-140-1941 N/A (14°F ~ 122oF) 850~900 RPM Throttle@"LO"-Idle Externally Mounted 2335-2370 RPM Throttle@"HI"- Idle Tachometer
z
ziii PILOTCIRCUIT
MAIN RELIEFS
PORT RELIEFS
LOWPRESSURE REUEFS
Om
AutoAcceI-Decel "ON" (Optional) o,[o]tVjl "-ro]il=l~ I PRIMARYPRESSURE F TRAVEL R
Gear Pump Main Pump
ATTACHMENT
RH HH BUCKET ROD (DO NOTADJUST) HEAD BOOM ROD (DO NOTADJUST) HEAD ARM ROD (DO NOTADJUST) HEAD F RH TRAVE~ (DONOTADJUST) F LH R R SWING L U DOZER D Enginein "HI" Idle Cont~’olsin Neutral
m
850 -1000RPM
Main Pump Main Pump Main Pump Main Pump
Main PumpPFI~
Main Pump Main Pump Main Pump
~5
Throttle@"HI"- Idle
P3 al a2
47 -53 670-750 P3 Engine - Hi Idle at Hi Idle, 350-355 4980-505C TR1 Engine Simultaneous LH/RH 350-355 4980-505( TR2 ! Operation Travel Stalled.
al a2 al a2 al a2 al a2 al al a2 a2 a2 a2 al a2 al a2
300-305 4270-434C MR1 BucketDigging 300-305 4270-434C MR2 BoomRaising 330-340! 4694,4836 RV8 Bucket Dump 330-340 4694,4836 RV7 BucketDigging 330-340 4694-483( RV6 BoomLowering 330-340 4694-4836 RV5 BoomRaising 330-340 4694-4836 RVl0 ArmOut(CylinderIN) 330-340 4694-4836 RV9 ArmIn (Cylinder OUT) 360-370 5120-5263 RV14 "H’-Mode,Engineat Hi Idle. SimultaneousLH/RHTravel 360-370 5120-5263 RV13 Engaged 360-370 5120-5263 RV13 "H"-Mode,Engineat Hi Idle. LH/RHTravel 360-370 5120-52~ RV14 Simultaneous En~la~led 280-310 3982-4409 RV11 BucketLock,Stall Swing 280-310 3982-4409 RV12 BucketLock,Stall Swing 260~28( 3982~4409 HV15 BladeUpandStall 260-28( 3982,4409 RV16 BladeDown andStall 455-668 Internal Enginein "HI" Idle 32-47 455-668 Shims Controlsin Neutral 32,47 Low
NEGATIVE CONTROL PRESSURES
Pressure Enginein "HI" Idle Controlsin Neutral
Main Pump
Pil Pi2
32-47 32-47
455-668 455-668
Relief Enginein "HI" Idle Valves Controlsin Neutral
TEST PORTLOCATIONS:
al & a2TestPorts
Pil Test Port ~_o__
PORT,~:~
P3 Test Port
s;o~=-o~-~
NOTE: Take Measurements with Engineat "HI" Idle unlessotherwise specified. Thestandard toleranceshall be an allowablerangein field measurements.
Pi2 TestPort
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