6-39-7
7. WHEN HYDRAULIC OIL TEMPERATURE WARNING LAMP LIGHTS UP (engine is started)
余
Before disconnecting the connector, always turn the starting switch OFF.
余
Before carrying out below procedure, check all the related connectors are properly inserted.
余
After checking, insert the disconnected connectors again immediately unless otherwise specified.
HYD TEMP SENDER
25
CN-51
UNITED MCU
GND (FOR SENSOR 5V)
16
HYDRAULIC OIL
TEMPERATURE SENDER
CD-1
2
1
C
Starting switch : ON
Engine : Start
Does display go
off when
disconnect
CD-1?
Resistance
between CN-51
(16) and CN-51
(25) is 0~1
凂
?
Starting switch : OFF
Disconnect CN-51
Resistance
between CD-1
(1, 2) is in range
of 164~151
凂
?
Starting switch : ON
Disconnect CD-1
YES
YES
YES
NO
NO
NO
140L6ES108
Temperature (˚C ) ~ -30
~ -10
~ 0
~ 40
~ 70
~ 80
~ 90
~ 100
105~
Resistance (k
凂
)
22.22
~31.78
8.16
~10.74
5.18
~ 6.6
1.06
~1.28
0.39
~0.476
0.322
~0.298
0.243
~0.219
0.185
~0.167
0.164
0.151
Check Table
Cause
Remedy
High temperature
Defective temp
sensor
Short circuit
between temp
sensor and united
MCU
Defective united
MCU
Check hydraulic
system
Replace
Repair or replace
Replace
(SERIAL NO. : #0611-)
Summary of Contents for HX140L
Page 12: ...SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10...
Page 209: ...4 5 MEMORANDUM...
Page 694: ...8 68 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29...
Page 734: ...8 108 Assemble plug 2 Plug NPT1 16 11 EA 17 21078TM68 21078TM69 21078TM70 21078TM71...
Page 756: ...8 130 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10...