7-20
Preparation
Keep the hydraulic oil temperature at
50
Ü
5˚C.
Measurement
Select the following switch positions.
Power mode switch : P mode
Slowly operate each control lever of
boom, arm and bucket functions at full
stroke over relief and measure the
pressure.
In the swing function, place bucket
against an immovable object and
measure the relief pressure.
In the travel function, lock undercarriage
with an immovable object and measure
the relief pressure.
Evaluation
(1)
Η
(2)
Η
Â
Θ
Ι
Κ
The average measured pressure should be within the following specifications.
Unit : kgf / cm
2
( ) : Power boost
SYSTEM PRESSURE REGULATOR RELIEF SETTING
17)
(3)
Model
HX145CR
HX145LCR
Function to be tested
Boom, Arm, Bucket
Travel
Swing
Standard
350 (380)
Ü
10
350
Ü
10
285
Ü
10
Port relief setting at 20 lpm
400
Ü
10
-
-
Pressure sensor
Main pump
a2
a1
Monitoring
(analog)
Cluster
145ZF7MS15
Summary of Contents for HX145 LCR
Page 11: ...SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10...
Page 204: ...4 5 MEMORANDUM HYUNDAI HEAVY INDUSTRIES CO LTD CONSTRUCTION EQUIPMENT DIV...
Page 627: ...8 155 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29...
Page 657: ...8 185 8 185 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10...
