Lull 6K Service Manual - Manual (Page 112)

Reference Diagrams
4-25 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
B C
1 7-1/2A
3
2
4
6
5 20A
10A
10A
30A
10A
D C B A F E
3
2
7
30
87A 87
86
85
30
87A 87
86
85
30
87A 87
86
85
A
B
C
GAUGE MODULE AND CONNECTOR
TRANSMISSION
CONTROLLER
SWITCHED
FUSE PANEL
36445A
D
B
C
GREEN-16
WHITE-14
RED-14
RELAYS
P30796
LOCK
OSC.
E BLACK-16
VIOLET-14
BRAK
BRAK
PAR
BLUE-16 A
BLUE-16
DIODE MODULE
P21787
BLUE-16
P30959
SWITCH
DISCONNECT
TRANSMISSION
BLUE-16
CLOS
OPEN
R3
R1
R2
PROXIMITY SWITCH
RELAY
OSC. LOCK WARNING
LIGHT RELAY
SERVICE BRAKE
RELAY
WHITE-14
TAN-14
PINK-14 11
4
GREEN-16
WHITE-14
RED-14
37139
BOOM BELOW 40°
SERVICE BRAKE RELEASED
BOOM BELOW 40°
SERVICE BRAKE APPLIED
BOOM BELOW 40°
SERVICE BRAKE APPLIED
OPERATING FRAME TILT
BOOM ABOVE 40°
SERVICE BRAKE RELEASED
PROXIMITY
SWITCH
FRAME TILT
OVER-RIDE SWITCH
SERVICE BRAKE
SWITCH
RELAY #1
PIN #86
STABILIZER
SOLENOID
FRAME TILT
LOCKOUT SOLENOID
CLOSED OPEN
CLOSED
CLOSED
OPEN
OPEN
OPEN
CLOSED
CLOSED
OPEN
CLOSED
OPEN
ENERGIZED
FRAME TILT ALLOWED
DE-ENERGIZED
FRAME TILT DISABLED
ENERGIZED- WHILE
FRAME TILTING
ENERGIZED
(UNLOCKED)
12 VOLTS
12 VOLTS
12 VOLTS
12 VOLTS
12 VOLTS
12 VOLTS
0 VOLTS 0 VOLTS
0 VOLTS
12 VOLTS
12 VOLTS
0 VOLTS
BOOM ABOVE 40°
SERVICE BRAKE APPLIED
OPEN OPEN CLOSED 0 VOLTS 12 VOLTS 0 VOLTS
DE-ENERGIZED
(LOCKED)
BOOM ABOVE 40°
(ATTEMPTING TO
FRAME TILT)
OPEN
DEPENDS ON
BRAKE POSITION
OPEN 0 VOLTS 0 VOLTS
OPERATING
PARAMETERS
REAR OSC.
LOCKED
LIGHT (10)
OFF
OFF
OFF
ON
ON
ON
REAR OSCILLATION LOCK SYSTEM OPERATION / TROUBLESHOOTING GUIDE
R1 R3 R2 S1 V2 S2 S3 V1
RELAY #2
PIN #86
DEPENDS ON
BRAKE
POSITION
RELAY #3
PIN #86
ENERGIZED
(UNLOCKED)
DE-ENERGIZED
(LOCKED)
DE-ENERGIZED
(LOCKED)
DE-ENERGIZED
(LOCKED)
ENERGIZED
FRAME TILT ALLOWED
DE-ENERGIZED
FRAME TILT DISABLED
DE-ENERGIZED
FRAME TILT DISABLED
Rear Oscillation Lock System Operation, Control Manifold Hydraulic System - Diagram 7