Lull 6K Service Manual - Manual (Page 120)

Reference Diagrams
4-33 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
ENGINE
WATER
TEMPERATURE
ENGINE
PRESSURE
OIL VOLTAGE
BATTERY
FUEL
LOCK
OSC
REAR
BRAKE
PARK
PRESS
BRAKE
LOW
10 11
12
7
9 8
1 4
5 6
8 5
GRD
1 12
OIL
2 11
LAMPS
3 10
POWER
4 9
WATER
6 7
FUEL
30
87A 87
86
85
30
87A 87
86
85
1 7-1/2A
3
2
4
6
5 20A
10A
10A
30A
10A
D C B A F E
3
2
7
GAUGE MODULE AND CONNECTOR
B C
RELAYS
P30796
LOCK
OSC.
GREEN-16
WHITE-14
RED-14
R3
D
B
C
E
GREEN-16
WHITE-14
RED-14
BLACK-16
WHITE-14 A
B
C
BLACK-16
WHITE-16
RED-16
BLUE-16
ORANGE OR TAN -16
BROWN-16
WHITE-14
SWITCHED
FUSE PANEL
36445A
TRANSMISSION
CONTROLLER
DIODE MODULE
P21787
D
R1
PINK-14 11
LIGHT RELAY
- OSC. LOCK WARNING
- PROXIMITY SWITCH
RELAY
P30959
SWITCH
DISCONNECT
TRANSMISSION
4
VIOLET-14
BLUE-16 A
TAN-14
BRAKE RELEASED - SW
BRAKE APPLIED - SWIT
PARKING BRAKE PR
CLOSED BELOW 100 P
OPEN ABOVE 100 PSI
OPERATES TRANSMIS
AND WARNING LAMP #
C A
B
460 PSI
PULL TO APPLY
PUSH TO RELEA
PARK BRAKE
BOOM BELOW 40°
SERVICE BRAKE RELEASED
SERVICE BRAKE APPLIED
BOOM BELOW 40°
SERVICE BRAKE APPLIED
BOOM BELOW 40°
OPERATING FRAME TILT
SERVICE BRAKE RELEASED
BOOM ABOVE 40°
PROXIMITY
SWITCH
RELAY #1
PIN #86
SOLENOID
VALVE
FRAME TILT LOCKOUT
PILOTED VALVE
REAR OSCILLATION LOCK SYSTEM OPERATION / TROUBLESHOOTING GUIDE
CLOSED
CLOSED
CLOSED
OPEN
PILOTED
FRAME TILT ALLOWED
UNPILOTED
FRAME TILT DISABLED
ENERGIZED
ENERGIZED
DE-ENERGIZED
UNLOCKED
UNLOCKED
LOCKED
12 VOLTS
12 VOLTS
12 VOLTS
0 VOLTS
BOOM ABOVE 40°
SERVICE BRAKE APPLIED
OPEN 0 VOLTS DE-ENERGIZED LOCKED
UNPILOTED
FRAME TILT DISABLED
ENERGIZED LOCKED PILOTED
OPEN 0 VOLTS DE-ENERGIZED LOCKED
UNPILOTED
FRAME TILT DISABLED
BOOM ABOVE 40°
(ATTEMPTING TO
FRAME TILT)
OPERATING
PARAMETERS
OFF
OFF
OFF
ON
ON
ON
SERVICE BRAKE AXLE
LOCK PILOTED VALVE
GAUGE PORT
PRESSURE
1000 PSI
MINIMUM
1000 PSI
MINIMUM
0–5 PSI
0–5 PSI
0–5 PSI
0–5 PSI
STABILIZER
CYLINDER
REAR
FRAME TILT ALLOWED
PILOTED
REAR OSC.
LOCKED
LIGHT (10)
UNPILOTED
FRAME TILT ALLOWED
PILOTED
UNPILOTED
PILOTED
UNPILOTED 0-5 PSI
0-5 PSI
1000 PSI
0-5 PSI
MINIMUM
PRESSURE
GAUGE PORT
1000 PSI
MINIMUM
MINIMUM
1000 PSI
FRAME TILT ALLOWED
PILOTED
UNPILOTED
UNPILOTED
UNPILOTED
FRAME TILT ALLOWED
PILOTED
UNPILOTED
OVERRIDE PILOTED
FRAME TILT LOCKOUT
VALVE
UNPILOTED
FRAME TILT DISABLED
WHILE
FRAME TILTING
S1 SV1 R1 G1 G2 PD2 PS1 PD1
Rear Oscillation Lock System Operation, Mid-Inlet Hysraulic System - Diagram 9