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5-10
1. If the engine coolant temperature or the hydraulic oil temperature is overheated over set
temperature, the warning lamp is ON and the pump input torque or the engine speed is reduced as
below logic table.
2. LOGIC TABLE
GROUP 7 ENGINE OVERHEAT PREVENTION SYSTEM
Engine
ECM
MCU
Drive signal
Cluster
Overheat warning signal
Emergency
warning lamp
Hydraulic temp sensor
Main control valve
Pump power
shift EPPR
Main pump Pilot pump
Hydraulic temp signal
CAN #1
Hydraulic temperature
warning lamp
Normal
CN-16
Emergency
CN-16A
CN-16B
CAN #2
Accel dial signal
Accel dial
130ZF5MS09
Description
Condition
Function
First step
warning
Activated
- Coolant temperature :
Above 103˚C
- Hydraulic oil temperature :
Above 100˚C
-
-
Warning lamp : Pops up and buzzer
sounds.
Pump input torque is reduced.
Canceled
- Coolant temperature :
Less than 100˚C
- Hydraulic oil temperature :
Less than 95˚C
- Return to pre-set the pump absorption
torque.
Second step
warning
Activated
- Coolant temperature : Above 107˚C
- Hydraulic oil temperature : Above 105˚C
-
-
Emergency warning lamp pops up on the
center of LCD and the buzzer sounds.
Engine speed is reduced after 10 seconds.
Canceled
- Coolant temperature :
Less than 103˚C
- Hydraulic oil temperature :
Less than 100˚C
-
-
Return to pre-set the engine speed.
Hold pump absorption torque on the first
step warning.
Summary of Contents for HX130 LCR
Page 11: ...1 1 SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10 ...
Page 174: ...4 5 MEMORANDUM HYUNDAI HEAVY INDUSTRIES CO LTD CONSTRUCTION EQUIPMENT DIV ...
Page 536: ...8 108 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29 ...
Page 566: ...8 138 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10 ...