5-10
1. If the engine coolant temperature or the hydraulic oil temperature is overheated over 100
˚
C, 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
CAN #2
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
Haptic controller
CLUSTER
AIRCON
OFF
CAN #1 & #2
140L5MS09
Description
Condition
Function
First step
warning
Activated
- Coolant temperature :
Above 103˚C
- Hydraulic oil temperature :
Above 100˚C
-
-
Warning lamp : ON , buzzer : OFF
Pump input torque is reduced.
-
-
Warning lamp & buzzer : ON
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 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...