SHOP MANUAL
Ch 6 page 2
ELECTRICAL SYSTEM
El.system index
How to use the electrical documentation .......................................... 5
Troubleshooting, what to do ............................................................................................................5
Description of the VCU2 functionality .............................................. 7
Doosan Moxy VCU 2 ......................................................................................................................7
Find wiring contact on VCU2 ..........................................................................................................8
LCD Instrumentation Unit ................................................................. 10
Warning Lights Display .................................................................................................................10
LCD screen main menu ................................................................................................................11
LCD use description ...................................................................................................................11
Pos reference list ..........................................................................................................................12
Description of the main electrical system. ...................................... 16
General description ......................................................................................................................16
Welding on the dump truck ...........................................................................................................16
Battery hazard prevention ............................................................................................................17
Component position .......................................................................... 19
Electrical parts view ......................................................................................................................19
El.system, outside front and rear .................................................................................................. 21
Electrical equipment inside cab ....................................................... 22
El.system, Cab inside ...................................................................................................................22
Switch panel .................................................................................................................................23
Heater unit exploded ....................................................................................................................24
Heater unit parts list .....................................................................................................................25
Ignition key switch Pos 49 ............................................................................................................25
Air conditioning system componenets ..........................................................................................26
Product final inspection ................................................................................................................27
Refrigerant charging .....................................................................................................................28
Regulation controll ........................................................................................................................ 29
Preassure reading and troubleshooting ........................................................................................31
Safety measures ........................................................................................................................... 32
Use of the A.T.C ...........................................................................................................................34
Central lubrication main unit, (overview) ......................................................................................37
Rear frame ................................................................................................................................... 39
DA series functions and parameters ............................................... 40
Brake/brake charge system (Accumulators) (7) .........................................................................40
WDB Cooling (only on DA40) (7) .................................................................................................. 40
Emergency Steering system (9) ...................................................................................................41
Park brake (6) ..............................................................................................................................42
Low engine oil pressure (2) ..........................................................................................................42
Low coolant level (3) ..................................................................................................................... 42
Clogged air filter (4) ......................................................................................................................42
Central lubrication pump (11) .......................................................................................................42
Charge lamp (12) ..........................................................................................................................43
Body tip system (13) ..................................................................................................................... 43
Load weighing (32) .......................................................................................................................44
Differential lock (28) .....................................................................................................................44
Cooling fan control ........................................................................................................................ 45
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