Daewoo Doosan Dozer Series DD80 DD80L Electrical Hydraulic
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Page 1
1DOZER SERIES
TABLE OF CONTENTS
Electrical Circuits
DD80, DD80L - Canopy Model ....................................................................... 3
DD80, DD80L - Cabin Model .......................................................................... 4
Hydraulic Circuits
DD80, DD80L ................................................................................................. 6
Page 2
2ELECTRICAL CIRCUITS
Page 3
DD80, DD80L - CANOPY MODEL
1
5 6
3
2
4
0
I
II
-
5599-1108E
I
II
1
L3
L6
L4
L5
L1
L2
TERMINAL NO FOR CONTROLLER
D
1
2
3
ABC E H G F
P1
K J
A
F
BC
DE
P2
(2)
0.85RY
0.85RB
P1-K1
VALVE.1+
BATTERY- IN
BATTERY+ IN
0.85BY
NEUTRAL SWITCH
CALIBRATION SWITCH
PILOT LAMP
COM
(OPEN IN NEUTRAL)
(MOMENTARY)
0.85B
0.85B
NO
NC
SYSTEM ERROR
PREHEAT
LIMP HOME
SPARE
+ 0
0
+
0
+
0 +
0
+
0
+
0
+
+
SENSOR
STEER (L)
FNR
SENSOR
SENSOR
STEER (R)
SENSOR
THROTTLE TRACK
(L.H) PPU
TRACK
(R.H) PPU
SENSOR
BRAKE
PICK UP
ENGINE
0.85B
DOUT.0
DIN.2
P1-A2
1.25RY
SNSR_PWR
ANIN.1
SNSR_GND
SNSR_PWR
P1-D1
1.25BR
1.25BY
1.25BW
-
A
B C
1.25R
A
P1-D2
P1-D3
P1-A1
P2-D3
0.85Or
DIN.1
P2-C2
0.85G
DIN.0
ANIN.0
SNSR_GND
SNSR_PWR
ANIN.2
SNSR_GND
SNSR_PWR
PPU.0/ACH4
SNSR_GND
P1-F3
1.25RW
1.25RB
1.25RL
1.25RG
B
C
-
A
B
P1-A3
P1-F2
P1-F1
1.25YR
1.25YB
C
-
1.25Y
A B
C
-
P1-H1
P1-H3
P1-C2
6
5
P2-F3
0.85L
0.85B
2
4
3
1
0.85LB
0.85P
0.85R
P2-A1
0.85Gr
J3-A
J3-B
J3-C
J3-D
J3-E
J3-F
P1-C1
1.25WR
SNSR_PWR
PPU.3/ACH7
SNSR_GND
SNSR_PWR
SNSR_GND
PPU.4/HSI.3
1.25LY
1.25LR
A
1.25LB
B C
-
P1-G2
P1-G1
P1-G3
1.25GB
1.25GY
A
B
- P1-B3
P1-B2
CONTROLLER
BATT+
(OUT)
BATT-
(OUT)
EPROM:
/BOOT
TXD
RXD
BATT-
SNSR_PWR
PPU.1/ACH5
SNSR_GND
SNSR_PWR
PPU.2/ACH6
SNSR_GND
VALVE.0-
VALVE.0+
VALVE.1-
P1-K2
1.25WG
1.25WY
1.25WB
1.25WL
A
B
C
-
A
P1-C3
P1-J2
P1-E1
1.25BrB
1.25BrR
1.25W
B C
-
P1-J3
P1-E3
P1-J1
P1-K3
REMOTE COMPUTER CONNECTOR
87a
30
85
0.85B
1.25RL
86
87
HYD. OIL FILTER
ENG. OIL FILTER
HOUR METER
ENG. OIL PRESS
GAUGE PANEL
TACHO METER
AIR CLEANER
WATER TEMP.
CHARGE
FUEL GAUGE
ILLUMINATION
W/T GAUGE
ILL.
T
5 0.85WR
0.85G
0.85GY
0.85BW
4
8
1
11
0.85GY
0.85GY
0.85YB
0.85WG
0.85WG
0.85BY
0.85B
12
10
5
H
(+)
(-)
ENG OIL
FILTER SWITCH
HYD OIL FILTER
SWITCH x2
0.85B
INDICATOR
ENG OIL
PRESS
SWITCH
WATER TEMP
SWITCH
0.85B
0.85B
0.85WR
0.85R
0.85B
0.85YR
0.85L
3
F
9
6
W
7
2
2
1
3
4
0.85B
0.85WG
0.85R
WATER TEMP SENDER
FUEL SENDER
HORN
REAR LAMP
24V 70W
0.85RG
0.85B
P
0.85B
0.85R
-
+
0.85YG
0.85RY
FUEL PUMP
+
0.85B
FUEL PUMP SWITCH
HORN RELAY
0.85B
85
87
87a
( R H )
( L H )
24V 70W
WORKING LAMP
( L H )
0.85B
0.85B
0.85RG
0.85RG
0.85B
( R H )
HEAD LAMP
24V 70W
2RG 0.85RG
0.85B
0.85RG
LAMP RELAY
LAMP SWITCH
0.85RW
2RY
86
30
0.85WR
0.85RW
0.85WG
5W
0.85B
1
B
A
1.25YB
1.25BrB
D
C
0.85LY
0.85L
5
6
3
2
4
0.85RL
0.85B
0.85RL
0.85B
CONTROLLER
PREHEAT
0.85BrY
0.85BrR
11
1.25RW
P2-F1
P2-E1
1.25B
0.85RY
0.85BrY
5
8
0.85RY
2
12
PCP (L.H)
B
A 1.25BrW
PCP (R.H)
4
0.85RW
1.25YR
6
7
9
10
0.85RL
1
3
THERMO
SWITCH
6
0.85LB
0.85YB
7
3
8
0.85BW
GLOW PLUG
LIMP HOME (R.H) SWITCH
LIMP HOME (L.H) SWITCH
0.85W L
0.85W
RESISTOR (L.H)
LIMP HOME
RESISTOR (R.H)
LIMP HOME
D
C
4
6
5
2
3
1
0.85RW
0.85B
0.85B
0.85RW
PREHEAT RELAY
5
DIODE 3
0.85BR
D
2
1
4
0.85L
0.85L
C
5BR
PP
F-
E
5W
B
ALTERNATOR
24V 50A
5B
E
F+
I
R
B
12V 100AH 12V 100AH
BATTERY
ENG STOP MOTOR
30
0.85B
60B
0.85R
0.85RL
1
10A
0.85RY
0.85L
0.85YG
0.85RB
10A
2
3
4
15
10A
10A
5
6
10A
10A
0.85RW
7
16
17
8
10A
10A
0.85WR
FUSE BOX
0.85LR
0.85WR
15A
9
2RY
2RY
18
19
20
15A
10
11
12
15A
15A
13
14
15A
15A
0.85WR
0.85WR
1.25W
1.25W
0.85WR
0.85WR
PST
TML
B
BR
R1
0.85Br
0.85BW
PREHEAT
ON
START
OFF
2W
2WR
DIODE 2
0.85RW 0.85RL
DIODE 1
CIRCUIT BREAKER
0.85Br
5W
0.85W
5WR
PP
STARTER CONTROLLER
0.85B
0.85WG
0.85Br
P
B
E
N
S
0.85BY
0.85LR
R2 C
ACC
0.85BY
0.85BW
D
B
STARTER RELAY
C
60B
5Y
5W
STARTER SWITCH
ENG STOP RELAY
0.85LR
0.85L
30
86
0.85LY
P1
0.85B
87a
87
85
P2
0.85LW
0.85B
0.85LR
B
E
0.85L
A
+
-
60B
-
BATTERY RELAY
+
60B
2R
A
E
BR
B
FUSIBLE LINK
2WR
60B 24V 4.5KW
0.5G
A
STARTER
50
A
DD80L DOZER
ELECTRIC CIRCUIT
HBOH701L
0.85W Y
RESISTOR (L.H)
LIMP HOME
RESISTOR (R.H)
LIMP HOME
0.85WG
0.85WR
-
0.85B
0.85B
0.85RB
3
6
10
9
2
0.85WR
7
10
9
5
0.85WR
30
85
0.85B
87a
86
87
WORK / TRAVEL SWITCH
BACK UP ALARM
CANOPY
1
HEAD
LAMP
2
ENG
STOP
3
B/U
ALARM
4
CONTRLR
POWER
5
HORN
RELAY
POSITION:
(1)
(4)
(3)
(5)
500 OHM
500 OHM
500 OHM
500 OHM
(OFF SHOWN)
LIMP HOME
FWD
FWD
REV
REV
HI
LO
HI
LO
Page 4
DD80, DD80L - CABIN MODEL
1
5 6
3
2
4
0
I
II
DIODE 7
-
5599-1080H
I
II
1
L3
L6
L4
L5
L1
L2
0
I
0
I
II
I
II
0
I
II
1
HEAD
LAMP
2
ENG
STOP
3
B/U
ALARM
4
CONTRLR
POWER
5
RADIO
6
HORN
RELAY
POSITION:
(2)
0.85 L
REVISED 09/01/98
500 OHM
500 OHM
500 OHM
500 OHM
HI
HI
LO
LO
0.85RY
0.85RB
P1-K1
VALVE.1+
BATTERY- IN
BATTERY+ IN
0.85BY
NEUTRAL SWITCH
CALIBRATION SWITCH
PILOT LAMP
COM
(OPEN IN NEUTRAL)
(MOMENTARY)
0.85B
0.85B
NO
NC
SYSTEM ERROR
PREHEAT
LIMP HOME
SPARE
+ 0
0
+
0
+
0 +
0
+
0
+
0
+
+
SENSOR
STEER (L)
FNR
SENSOR
SENSOR
STEER (R)
SENSOR
THROTTLE TRACK
(L.H) PPU
TRACK
(R.H) PPU
SENSOR
BRAKE
PICK UP
ENGINE
0.85B
DOUT.0
DIN.2
P1-A2
1.25RY
SNSR_PWR
ANIN.1
SNSR_GND
SNSR_PWR
P1-D1
1.25BR
1.25BY
1.25BW
-
A
B C
1.25R
A
P1-D2
P1-D3
P1-A1
P2-D3
0.85Or
DIN.1
P2-C2
0.85G
DIN.0
ANIN.0
SNSR_GND
SNSR_PWR
ANIN.2
SNSR_GND
SNSR_PWR
PPU.0/ACH4
SNSR_GND
P1-F3
1.25RW
1.25RB
1.25RL
1.25RG
B
C
-
A
B
P1-A3
P1-F2
P1-F1
1.25YR
1.25YB
C
-
1.25Y
A B
C
-
P1-H1
P1-H3
P1-C2
6
5
P2-F3
0.85L
0.85B
2
4
3
1
0.85LB
0.85P
0.85R
P2-A1
0.85Gr
J3-A
J3-B
J3-C
J3-D
J3-E
J3-F
P1-C1
1.25WR
SNSR_PWR
PPU.3/ACH7
SNSR_GND
SNSR_PWR
SNSR_GND
PPU.4/HSI.3
1.25LY
1.25LR
A
1.25LB
B C
-
P1-G2
P1-G1
P1-G3
1.25GB
1.25GY
A
B
- P1-B3
P1-B2
CONTROLLER
BATT+
(OUT)
BATT-
(OUT)
EPROM:
/BOOT
TXD
RXD
BATT-
SNSR_PWR
PPU.1/ACH5
SNSR_GND
SNSR_PWR
PPU.2/ACH6
SNSR_GND
VALVE.0-
VALVE.0+
VALVE.1-
P1-K2
1.25WG
1.25WY
1.25WB
1.25WL
A
B
C
-
A
P1-C3
P1-J2
P1-E1
1.25BrB
1.25BrR
1.25W
B C
-
P1-J3
P1-E3
P1-J1
P1-K3
REMOTE COMPUTER CONNECTOR
87a
30
85
0.85B
1.25RL
86
87
HYD. OIL FILTER
ENG. OIL FILTER
HOUR METER
ENG. OIL PRESS
GAUGE PANEL
TACHO METER
WIPER SWITCH
AIR CLEANER
WATER TEMP.
CHARGE
FUEL GAUGE
ILLUMINATION
W/T GAUGE
ILL.
T
0.85L
5 0.85WR
0.85G
0.85GY
0.85BW
4
8
1
11
0.85GY
0.85GY
0.85YB
0.85WG
0.85WG
0.85BY
0.85B
12
10
5
H
(+)
(-)
ENG OIL
FILTER SWITCH
HYD OIL FILTER
SWITCH x2
0.85B
INDICATOR
ENG OIL
PRESS
SWITCH
WATER TEMP
SWITCH
0.85B
0.85B
0.85WR
0.85R
0.85B
0.85YR
0.85L
3
F
9
6
W
7
2
2
1
3
4
0.85B
0.85WG
0.85R
WATER TEMP SENDER
FUEL SENDER
HORN
REAR LAMP
24V 70W
0.85RG
0.85B
P
0.85B
0.85R
-
+
0.85YG
0.85RY
FUEL PUMP
+
0.85B
FUEL PUMP SWITCH
HORN RELAY
0.85B
85
87
87a
( R H )
( L H )
24V 70W
WORKING LAMP
( L H )
0.85B
0.85B
0.85RG
0.85RG
0.85B
( R H )
HEAD LAMP
24V 70W
2RG 0.85RG
0.85B
0.85RG
LAMP RELAY
LAMP SWITCH
0.85RW
2RY
86
30
0.85WR
HEATER
FAN
(HIGH)
0.85B
0.85LB
DIODE 6
WINDOW
WASHER
M
0.85B
31b
0.85L
0.85LY
0.85LR
53
53b
(LOW)
53a
53e
M
WIPER MOTOR
M
DIODE 5
0.85Y
DIODE 4
FAN SWITCH
HEATER SWITCH
0.85YB
1
0.85W
0.85WB
CONVERTER
DC / DC
3
2
0.85RW
0.85WG
5W
0.85B
1
B
A
1.25YB
1.25BrB
D
C
0.85LY
0.85L
5
6
3
2
4
0.85RL
0.85B
0.85RL
0.85B
CONTROLLER
PREHEAT
0.85BrY
0.85BrR
11
1.25RW
P2-F1
P2-E1
1.25B
0.85RY
0.85BrY
5
8
0.85RY
2
12
PCP (L.H)
B
A 1.25BrW
PCP (R.H)
4
0.85RW
1.25YR
6
7
9
10
0.85RL
1
3
THERMO
SWITCH
6
0.85LB
0.85YB
7
3
8
0.85BW
GLOW PLUG
LIMP HOME (R.H) SWITCH
LIMP HOME (L.H) SWITCH
0.85W L
0.85W
RESISTOR (L.H)
LIMP HOME
RESISTOR (R.H)
LIMP HOME
D
C
4
6
5
2
3
1
0.85RW
0.85B
0.85B
0.85RW
PREHEAT RELAY
5
DIODE 3
0.85BR
D
2
1
4
0.85L
0.85L
C
5BR
PP
F-
E
5W
B
ALTERNATOR
24V 50A
5B
E
F+
I
R
B
12V 100AH 12V 100AH
BATTERY
ENG STOP MOTOR
30
0.85B
60B
0.85R
0.85RL
1
10A
0.85RY
0.85L
0.85YG
0.85RB
10A
2
3
4
15
10A
10A
5
6
10A
10A
0.85RW
7
16
17
8
10A
10A
0.85WR
FUSE BOX
0.85LR
0.85WR
0.85RG
15A
9
2RY
2RY
18
19
20
15A
10
11
12
15A
15A
0.85L
0.85Y
13
14
15A
15A
0.85WR
0.85WR
1.25W
1.25W
0.85WR
0.85WR
PST
TML
B
BR
R1
0.85Br
0.85BW
PREHEAT
ON
START
OFF
2W
2WR
DIODE 2
0.85RW 0.85RL
DIODE 1
CIRCUIT BREAKER
0.85Br
5W
0.85W
5WR
PP
STARTER CONTROLLER
0.85B
0.85WG
0.85Br
P
B
E
N
S
0.85BY
0.85LR
R2 C
ACC
0.85BY
0.85BW
D
B
STARTER RELAY
C
60B
5Y
5W
STARTER SWITCH
86
85
0.85RW
0.85RG
0.85B
0.85L
0.85RW
0.85RW
ROOM LAMP
0.85B
87a
STEREO RELAY
30
0.85LR
87
0.85BR
0.85B
10
0.85RY
0.85L
11
STEREO
CAR
9
( L H )
0.85GrL
0.85BW
0.85GrR
0.85BY
8
2
7
1
ANTENNA
( R H )
SPEAKER
ENG STOP RELAY
0.85LR
0.85L
30
86
0.85LY
P1
0.85B
87a
87
85
P2
0.85LW
0.85B
0.85LR
B
E
0.85L
A
TERMINAL NO FOR CONTROLLER
D
1
2
3
ABC E H G F
P1
K J
A
F
BC
DE
P2
+
-
60B
-
BATTERY RELAY
+
60B
2R
A
E
BR
B
FUSIBLE LINK
2WR
60B 24V 4.5KW
0.5G
A
STARTER
50
A
DD80L DOZER
ELECTRIC CIRCUIT
HABH801L
0.85W Y
RESISTOR (L.H)
LIMP HOME
RESISTOR (R.H)
LIMP HOME
0.85WG
0.85WR
-
0.85B
0.85B
0.85RB
3
6
10
9
2
3
6
10
9
2
3
6
10
9
2
1
2
3
6
10
9
2
0.85B
0.85B
0.85WR
0.85RG
0.85B
0.85WR
0.85WR
0.85LW
0.85LR
5
10
9
1
0.85WR
0.85L
7
10
9
5
0.85WR
30
85
0.85B
87a
86
87
WORK / TRAVEL SWITCH
BACK UP ALARM
CABIN
(5)
(1)
(6)
0.85 RB
0.85 L
87a
87
85
G
30
86
(4)
(3)
FWD
FWD
REV
REV
(OFF SHOWN)
LIMP HOME
Page 5
3HYDRAULIC CIRCUITS
Page 6
DD80, DD80L
N S
CONTROL
ELECTRIC
DISPLACEMENT
AIR BREATHER
36.3kg.m/1600rpm
TANDEM PUMP
CONTROL
DISPLACEMENT
ELECTRIC
91ps/1800rpm
DB58
SENSOR
SPEED
ENGINE
PUMP
CHARGE
DC SWITCH
HP FILTER
A
CD
B
CHARGE
PUMP
HP FILTER
DC SWITCH
N
C
A
B
D
CALIBRATION
SWITCH
SWITCH
NEUTRAL
BRAKE VALVE
+
-
SENSOR
+
AB
0
C
-
POSITION
ROTARY
F-N-R
A
+ -
C
0
B
+
AB
0
C
-
THROTTLE
LEFT
STEER
(for CALIBRATION & DIAGNOSTICS)
4-CHARACTER ALPHA/NUMERIC LED
<<DC/2 MICROCONTROLLER>>
RED - STATUS LED
GREEN - POWER LED
-
C
0
B
A
+ +
A
B
0
C
-
STEER
RIGHT
BRAKE
INCH/
C B
A
B
C
C
B
A
SPEED
MOTOR
LEFT
-
0
+
ENGINE
SPEED
-
0
-
0 +
RIGHT
MOTOR
SPEED
RIGHT TRAVEL MOTOR
displ.
displ.
LEFT TRAVEL MOTOR
PUMP
IMPLEMENT
S
max
SENSOR
SPEED
max
MOTOR
SPEED
SENSOR
MOTOR
COMMUNICATION
(RS232)
(3-SECTION)
CONTROL VALVE
- = GROUND
0 = SIGNAL
+ = 5 VOLTS DC
SYSTEM ERROR LAMP
A B
EDC
RIGHT
A B
LEFT
EDC
LIFT CYLINDER
B1
A1
TILT CYLINDER
B2
A2
ANGLE CYLINDER
B3
A3
R
L
R
L
DD80 (L) DOZER
HYDRAULIC CIRCUIT
HBOH601L
20 bar
420 bar
420 bar
420 bar
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Here you can find the most complete service and repair manual for the Daewoo Doosan Dozer Series DD80 DD80L Electrical Hydraulic Schematic Manual.
This professional technical manual contains service, maintenance, and troubleshooting information for your Daewoo Doosan Dozer Series DD80 DD80L. It includes:
- Electrical Circuits for DD80, DD80L - Canopy Model and DD80, DD80L - Cabin Model
- Hydraulic Circuits for DD80, DD80L
The manual is useful for both professional mechanics and DIY enthusiasts. It has easy-to-read text sections with top-quality diagrams and instructions, specifically written for do-it-yourself work as well as experienced mechanics. The manual covers every single detail of the machine and provides step-by-step instructions based on the complete disassembly of the machine.
Accurate, clear, and concise text, combined with illustrations, make it possible for anyone with even a bit of basic mechanical knowledge to safely and easily service and repair their Daewoo Doosan Dozer Series DD80 DD80L.
Comprehensive diagrams, in-depth illustrations, and all the manufacturer's specifications and technical information are included. The manual is full printable and compatible with all versions of Windows & Mac.
With this manual, you will have instant access to the material needed to service and repair your Daewoo Doosan Dozer Series DD80 DD80L, with no waiting for postal delivery.
The manual covers a wide range of topics including MOT Test Checks, Roadside Repairs, Routine Maintenance, Engine and Associated Systems, Cooling, Heating and Air Conditioning Systems, Fuel and Exhaust Systems, Transmission, Brakes, Suspension, Body Equipment, Electrical Systems, Wiring Diagrams, Tools and Working Facilities, General Repair Procedures, Fault Finding, and a Glossary of Technical Terms.
Get your Daewoo Doosan Dozer Series DD80 DD80L Electrical Hydraulic Schematic Manual full service repair manual immediately and start working on your machine without any delay.
