Stabil-trak™ system – SkyTrak 6042 Service Manual User Manual
Page 514
Stabil-TRAK™ System
10.8
Model 6042 Legacy
Origin 7/02
10.4
STABIL-TRAK™ ELECTRICAL CIRCUIT OPERATION AND TROUBLESHOOTING
Definitions:
PB = Park Brake
SB = Service Brake
DE = De-energized
E = Energized
C = Closed
O = Open
Stabil-TRAK™ System Troubleshooting
FREE PIVOT
MODE
FINAL POSITIONING
MODE
LOCKED
MODE
Reference
Reference
Reference
Machine
Conditions
Switch/
Relay
Solenoid
Ignition On
Boom Below 40°
PB & SB Released
Trans. Fwd. or Rev.
Ignition On
Boom Above 40°
PB & SB Released
Trans. Fwd. or Rev.
Ignition On
Boom Above 40°
PB & SB Applied
Trans. Neu.
Solenoid 12A
E
DE
DE
Solenoid 12B
E
DE
DE
Solenoid 3
DE
DE
E
Solenoid 4A
DE
E
DE
Solenoid 4B
DE
E
DE
Boom Angle Sensor
C
O
O
Boom Switch Relay
E
DE
DE
Stabilizer Lock Relay
DE
DE
E
Stabilizer Light
OFF (DE)
OFF (DE)
ON (E)
Neutral Start Relay
DE
DE
E
Park Brake Disengage Relay
E
E
DE
Park Brake Solenoid A
E
E
DE
Park Brake Solenoid B
E
E
DE
Park Brake Switch
O
O
C
Service Brake Switch
O
O
C