Lull 1044C-54 Series II Service Manual - Manual (Page 74)

Reference Diagrams
4-8 31200079
Diagram 4-3 — Electrical Schematic (cont’d)
MV0440
R
R
PIN 86 IS GROUND ON ALL RELAYS
15 AMP
E
F
A
B
C
D
(USED ON 4 SECTION ONLY)
EXTEND
BOOM
STAB. SOL. SV1 (1.2 AMP INRUSH)
BACK-UP ALARM (.6 AMPS)
HORN (6 AMPS MAX.)
87A 87 85
30 86
FOOT
SWITCH
A
38329A COIL
BLUE-16
39076C
SELECTOR VALVE
39510B HARNESS
B B A
6K MACHINES)
RED-16
FRONT
JOYSTICK
(OPTION ON
SWITCH
P31598
JOYSTICK
REAR
PUSHBUTTON
BREAKERS
P29694
40 AMP
CIRCUIT
12 VOLTS
40° SWITCH POWER OUT
20° SWITCH POWER OUT
RED-16
GREEN-16
WHITE-16
BLACK-16
BLACK BROWN
BLUE
POWER
IN
GROUND
OUT
POWER
C
D
A
B
A
B
A
B
P13707
HORN
B
A
BACK-UP
BLACK-14
+ -
ALARM
GA SEND
P29317
FUEL LEVEL
GROUND (9.6 AMPS AT INRUSH)
START RELAY(.41-.48 AMPS)
GROUND (2.4 AMPS)
BLACK-16
RIGHT
YELLOW-16
C
B
A
D
RED-16
BLACK-16
WHITE-16
OPEN BELOW 92 PSI DIFFERENTIAL
DIFFERENTIAL PRESSURE SWITCH
OUTRIGGER CYLINDERS-BASE END
68441A SPST-NO
CLOSED ABOVE 92 PSI DIFFERENTIAL
LEFT
BLACK-16
WHITE-16
YELLOW-16
BLACK-16
RED-16
GROUND BLUE
BROWN
POWER
IN
POWER
BLACK
OUT
HORN
STUD ON BOARD
SWITCHED POWER FOR OPTIONS
STAB. SOL. SV2 (1.2 AMP INRUSH)
STAB. SOL. SV3 (1.2 AMP INRUSH)
PROXIMITY SWITCH GROUND
RED-16
BLACK-16
WHITE-16
GREEN-16
J4
J3
J2
J1
9
12
10
11
14
13
1
3
5
6
7
8
4
2
J15
J14
BLUE-16
GRAY-14
VIOLET-16
PINK-16
BLACK-16
YELLOW-14
ORANGE-16
BLACK-16
B
A
C
J5 RED-12 FROM ENGINE HARNESS, UNSWITCHED POWER
RED-14
SOLENOID VALVE ON
REAR AXLE STABILIZER
37115X PROXIMITY SENSOR IS N. O.
BOOM ANGLE GREATER THAN 40° NO
BOOM ANGLE LESS THAN 40° NC
38200C-3
GROUND
OPER COMP TO
MAINFRAME
CONTROL VALVE(ENERGIZED
38329A COIL
W/BOOM BELOW 20°)
BOOM EXTEND LESS THAN 20' NC
BOOM EXTEND GREATER THAN 20' NO
37115X PROXIMITY SENSOR IS N. O.
WHITE-10
35646A
38200C-5
POS. CABLE
2/0 RED
BATTERY +
12V
-
MOUNTING BOLT
TO LOWER STARTER
CONNECT BATT GRD
NEG. CABLE
65724A STARTER
SOLENOID
MOTOR
MAINFRAME
ENGINE TO
GROUND
38200C-4
2/0 BLACK
95 AMP
BOSCH
ALTERNATOR
D+
B+
4923247
WIRE W/DIODE
BLACK-10
67789A
RELAY
STARTER
SV1
ON REAR STABILIZER CYLINDER
REAR AXLE STABILIZER VALVE
2-WAY SOLENOID VALVE ON
38329A COIL
SV3
38329A COIL
SV2 VALVE ON VALVE PLATE
REAR AXLE STABILIZER CONTROL
3-WAY SOLENOID VALVE ON
R
E
D
6
YELLOW-14
VIOLET-14
ENERGIZED W/BOOM BELOW 40°
RED-12
WHITE-12
BLACK-14
BLACK-14
37115X PROXIMITY SENSOR IS N. O.
BOOM ANGLE LESS THAN 20° NC
BOOM ANGLE GREATER THAN 20° NO
POWER
BROWN
IN
GROUND
BLUE
OUT
POWER
BLACK
65924A PROXIMITY SWITCH HARNESS
ON TRANSFER CARRIAGE
65923A PROXIMITY
SWITCH HARNESS,THRU
TRANSFER CARRIAGE
D
C
B
A
C
B
A
RED-16
BLACK-16
WHITE-16
ON TRANSFER CARRIAGE
ON TRANSFER CARRIAGE
ON OUTER BOOM
B
A
VALVE ON VALVE PLATE
BOOM/TRANSFER EXTEND CUTOUT
SOLENOID VALVE
38329A COIL
SV4
ENERGIZED WITH BOOM EXTENDED LESS
THAN 20' OR OUTRIGGERS DOWN
CONNECTS UNDER SEAT BOX
INTERMEDIATE HARNESS, 66961D
D
C
B
A
CUTOUT HARNESS, 66809C
CONNECTS UNDER SEAT BOX
BOOM/TRANSFER EXTEND
BOOM ABOVE 40° & FOOT
ENERGIZED W/BOOM BELOW 40° OR
SWITCH DEPRESSED
39351A PROXIMITY
SWITCH HARNESS,THRU
TRANSFER CARRIAGE
J7
RELAYS FOR CIRCUIT BOARD
ALL ARE THE SAME
30/40 AMP-LULL#66820X
BLACK-16
YELLOW-16
PINK-16
BLUE-16
GRAY-16
GREEN-16
REMOVE RELAY ON ALL
OTHER MACHINES
85 30
87 87A 86
YELLOW-16
RED-16
BLACK-16
WHITE-16
BLACK-16
ORANGE-16
YELLOW-14
GRAY-14
BLACK-16
BLUE-16
PINK-16
VIOLET-16
GREEN-16
WHITE-16
BLACK-16
RED-16
66891C (10366981)
CIRCUIT BOARD
ON MACHINES W/DRY DISC BRAKES
67064A SPST-N.O., 1000 PSI
67062A SPST-N.O., 250 PSI
ON MACHINES W/ROADWAY LIGHTS
& ROADWAY LIGHTS
P13774
ON OUTER BOOM
38231A PROXIMITY SWITCH HARNESS
F2
A B A B
WHITE-16
R
E
D
BLACK BLACK WHITE
RELAY SOCKET
86
TOP VIEW
87A
87 85
30
10
AMP
TO CIRCUIT BOARD
& SHIFTER HARNESS
(SEE SHT 2)
T
S
S
STUD ON BOARD