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6-40
GROUP 4 MECHATRONICS SYSTEM
CN-75
1
2
PUMP EPPR VALVE
9
CN-52
8
18
9
10
10
MCU
FUSE
NO.12
CN-1
Wiring diagram
1. ALL ACTUATORS SPEED ARE SLOW
Boom, Arm, Bucket, Swing and travel speed are slow, but engine speed is good.
Spec : P-mode 1850
±
50 rpm S -mode 1750
±
50 rpm E-mode 1650
±
50 rpm
Before carrying out below procedure, check all the related connectors are properly inserted and
fault code on the cluster.
INSPECTION PROCEDURE
※
※
※
1)
SPEC : 100~700 mA
See TEST 2
SPEC : 2~25 kgf/cm
2
See TEST 3
SPEC : 15~25
Ω
(20˚C)
See TEST 1
Check electric
current at EPPR
valve
Check resistance
at EPPR valve
Check pressure
at EPPR valve
YES
YES
YES
YES
NO
NO
NO
NO
Cause
Remedy
Defective
hydraulic system
Defective
EPPR valve
Defective MCU
Short circuit or
poor connection
between CN-52
-CN-75
Defective EPPR
valve
Replace
Replace
Check & repair
wire harness or
between CN-52
-CN-75
Replace
140L6MS01
Check if HCESPN
140 active fault
display on the LCD
Содержание HX130 LCR
Страница 11: ...1 1 SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10 ...
Страница 174: ...4 5 MEMORANDUM HYUNDAI HEAVY INDUSTRIES CO LTD CONSTRUCTION EQUIPMENT DIV ...
Страница 218: ...4 49 4 49 No of pin Receptacle connector female Plug connector male 14 1 7 6 14 MG610406 KET SDL CONNECTOR 13 ...
Страница 517: ...8 89 Insert O rings to the relief valve 30 and reassemble them to rear cover 20 This completes assembly 17 32038SM42 ...
Страница 536: ...8 108 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29 ...
Страница 545: ...8 117 125LCR8TM61 After assembling spring 44 in order clamp plug 41 Tightening torque 5 5 0 5 kgf m 39 8 3 6 lbf ft 31 ...
Страница 566: ...8 138 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10 ...
Страница 577: ...8 149 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 ...
Страница 609: ...8 181 1 STRUCTURE GROUP 11 WORK EQUIPMENT SECTION C SECTION B SECTION A 130ZF8DA44 SECTION A SECTION B SECTION C ...