8042 and 10042 stabil-trak™ system troubleshooting, Section 10.7, “stabil-trak, Electrical circuit operation and troubleshooting – SkyTrak 8042 Service Manual User Manual
Page 857: Stabil-trak™ system and boom interlock system
Stabil-TRAK™ System and Boom Interlock System
10.16
Model 8042, 10042, 10054 Legacy
Rev. 10/03
10.7
STABIL-TRAK™ ELECTRICAL CIRCUIT OPERATION AND TROUBLESHOOTING
(8042/10042)
IMPORTANT: Before using the 8042 and 10042 Stabil-
TRAK System Troubleshooting chart and diagrams,
complete the Section 10.8, “Stabil-TRAK™ System
Test,” on page 10.20, to determine what part of the
system is not functioning properly.
Definitions:
PB = Park Brake
SB = Service Brake
DE = De-energized
E = Energized
C = Closed
O = Open
8042 and 10042 Stabil-TRAK™ System Troubleshooting
FREE PIVOT
MODE
SLOW PIVOT
MODE
LOCKED
MODE
Reference
Reference
Reference
Page (10.19)
Machine
Conditions
Switch/
Relay
Solenoid
Ignition On
Boom Below 40°
Boom Retracted
PB & SB Released
Trans. in Forward or Reverse
Ignition On
Boom Above 40°
Boom Extended
PB & SB Released
Trans. in Forward or Reverse
Ignition On
Boom Above 40°
Boom Extended
PB & SB Applied
& Trans. in Neutral
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)
Ignition Switch
C
C
C
Park Brake Switch
O
O
C
Service Brake Switch
O
O
C
Secondary Function Manifold
Park Brake Solenoids
E
E
DE
Park Brake Disengage Relay
E
E
DE
Neutral Start Relay
DE
DE
E