Lull 6K Service Manual - Manual (Page 109)

Reference Diagrams
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K 4-22
BACK-UP
ALARM
OUTPUT
+ –
925 CCA
12V
BATTERY
MOTOR
STARTER
1
2
3
4
5
6
7
8
9
10
11
12
– +
OIL PRESS
SENDER
WATER TEMP
SENDER
CIRCUIT
BREAKER
SOLENOID
WHITE-12
RED-
6
P21787
DIODE
MODULE
ALTERNATOR
DELCO 10 SI
78 AMP
BLACK-8
RED-14
WHITE-12
GR
A
Y
-1
6
GR
E
E
N
-1
6
1/0 RED
1/0
BLACK
TRANSMISSION
TEMP SENDER
WH
IT
E-
1
6
FUEL LEVEL
GAUGE SEND
HORN
RED-16
RED-14
STARTER
RELAY
O.
GRAY-16
ORANGE-16
GREEN-16
WHITE-16
TRANSMISSION CONTROL VALVE OPERATION
TRANSMISSION GEAR ACTIVATED SOLENOID
FORWARD - 3RD
FORWARD - 2ND
FORWARD - 1ST
M3 - M2 - M4
NEUTRAL
REVERSE - 3RD
M1
REVERSE - 2ND M1 - M4
REVERSE - 1ST M1 - M2 - M4
--
P13707
P13774
P29694
YELLOW-14
WHITE-8
P29317 P23222 P19472 P23217
HARNESS
INTERMEDIATE HARNESS LOWER HARNESS
P30712
35532A
35646A
NEG. CABLE
POS. CABLE
CLUTCH CUT OFF
FORWARD - 2ND
FORWARD - 1ST M2 - M4
REVERSE - 2ND
REVERSE - 1ST M4
M2 - M4
E PRESS
INDUCTIVE
TRANSMITTER
P32077
SELECTOR VALVE
P31560 BLUE-16
38471A HARNESS
35197A HARNESS
P31599 COIL
38073D 38074C
P28569
35647A
GROUND
MANIFOLD
13
14
REAR
JOYSTICK
FRONT
JOYSTICK
PUSHBUTTON
SWITCH
P31598
FUEL
BR
OW
N-
14
P21777
RED-12
40 AMP
BREAKER
CIRCUIT
40 AMP
P29694
RED-12
SHUTOFF
WHITE-12
RED-12
VIOLET-14
SOLENOID VALVE
ON STABILIZER BLOCK
VIOLET-14
– + + –
– +
PINK-14
PROXIMITY SENSOR IS N.O.
37115X
YELLOW-14
GREEN-16
RED-14
WHITE-14
BLACK-14
– +
ENGINE TO
MAINFRAME
GREEN-16
BOOM ANGLE GREATER THAN 40° - N.O.
BOOM ANGLE LESS THAN 40° - N.C.
PST - N.C.
(OPTION ON
6K MACHINES)
BLUE
BLACK BROWN
C
A
RED-16
WHITE-16 A
A
B
BLACK-16 B
C
B
WHITE-16
BLACK-16
RED-16
GROUND
POWER
OUT POWER
IN
BLACK-16
+
–
–
+
A
A B
B
BLACK-16
SOLENOID VALVE
FRAME TILT CUTOUT
BOOM OVER 40°
A
B
BRAKE PRESSURE SWITCH
LESS THAN 250 PSI - N.O.
39505A
GREATER THAN 250 PSI - N.C.
SPST - N.O. SWITCH
PARKING BRAKE PRESSURE SWITCH
37139A
DPST - N.C. SWITCH
LESS THAN 100 PSI - N.C.
GREATER THAN 100 PSI - N.O.
850 PSI - N.C.
HAN 850 PSI - N.O.
38200C-3
GROUND
OPER COMP TO
MAINFRAME
FRAME TILT OVERRIDE PRESSURE
LESS THAN 100 PSI - N.O.
GREATER THAN 100 PSI - N.C.
SWITCH, REAR OSC LOCK
SPST - N.O. SWITCH
37106A
M3 - M4
M3
M4
PINK-14 PINK-14
TAN-14
TAN-14
BROWN-14
PIN NO.
V-1
V-2
DIODE MODULE
P21787
Electrical Diagram, Models 644B and 6K w/Control Manifold Hydraulic System - Diagram 6