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
Содержание HX145 LCR
Страница 11: ...SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10...
Страница 204: ...4 5 MEMORANDUM HYUNDAI HEAVY INDUSTRIES CO LTD CONSTRUCTION EQUIPMENT DIV...
Страница 553: ...8 82 Insert O rings to the relief valve 30 and reassemble them to rear cover 20 This completes assembly 17 32038SM42...
Страница 627: ...8 155 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29...
Страница 636: ...8 164 125LCR8TM61 After assembling spring 44 in order clamp plug 41 Tightening torque 5 kgf m 36 lbf ft 31...
Страница 657: ...8 185 8 185 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10...
Страница 668: ...8 196 14 15 3 Install cover 3 to body 1 and tighten bolts 14 Torque 10 12 5 kgf m 72 3 90 4 lbf ft 7 21078DA10...