Hitachi ZW180 Technical Manual page 41

Operational principle, wheel loader
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Group 1 Control System
General ....................................................T2-1-1
Engine Control .........................................T2-1-6
Pump Control .........................................T2-1-15
Transmission Control .............................T2-1-20
Other Controls........................................T2-1-41
Group 2 ECM System
Outline .....................................................T2-2-1
Fuel Injection Control ...............................T2-2-2
Engine Start Control .................................T2-2-4
Other Controls..........................................T2-2-5
Group 3 Hydraulic System
Outline .....................................................T2-3-1
Main Circuit ..............................................T2-3-2
Pilot Circuit.............................................T2-3-13
Steering Circuit.......................................T2-3-26
Hydraulic Drive Fan Circuit .....................T2-3-32
-CONTENTS-
Group 4 Electrical System
Outline .....................................................T2-4-1
Main Circuit ..............................................T2-4-2
Electric Power Circuit ...............................T2-4-3
Indicator Light Check Circuit.....................T2-4-4
Accessory Circuit......................................T2-4-5
Preheat Circuit .........................................T2-4-6
Starting Circuit..........................................T2-4-8
Charging Circuit .....................................T2-4-12
Serge Voltage Prevention Circuit ............T2-4-16
Engine Stop Circuit .................................T2-4-18
Lamplight Circuit ....................................T2-4-19
Head Light Circuit...................................T2-4-20
Turn Signal Circuit ..................................T2-4-24
Brake Light Circuit ..................................T2-4-25
Hazard Light Circuit ................................T2-4-26
Horn Circuit ............................................T2-4-27
Reverse Light/Buzzer Circuit ..................T2-4-28
Parking Brake Circuit..............................T2-4-30
4GDT-2-1
SECTION 2
SYSTEM

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