SkyTrak 8042 Service Manual - Manual (Page 880)

10.39 Model 8042, 10042, 10054 Legacy Rev. 10/03
Stabil-TRAK™ System and Boom Interlock System
10.12.4 Hydraulic Troubleshooting - FREE PIVOT Mode, Rod Oil Out
Not
OK
Not
OK
Not
OK
When frame swaying right, left front
tire comes off the ground
Conditions:
• Ignition ON, engine
running
• Boom angle is
below 40°
• Travel select
lever in (F)
FORWARD or
(R) REVERSE
• Park brake OFF
• Service brake
DISENGAGED
Check solenoid coils 12A and 12B on
the Stabil-TRAK™ manifold for correct
resistance (7-9 ohms).
Remove solenoid cartridges 12A and 12B
from Stabil-TRAK™ manifold and inspect
for debris or damage. Refer to Section
8.13.9, “Stabil-TRAK Cylinder.”
Replace solenoid(s).
Clean passages or replace cartridge(s).
If OK
If OK
If OK
Not
OK
Replace check valve(s).
Inspect check valves on frame sway
cylinder. Refer to Section 8.13.8, “Frame
Sway Cylinder.”
Check electrical wiring.
Refer to Section 10.7, “Stabil-TRAK™
Electrical Circuit Operation and
Troubleshooting (8042/10042),” Section
10.9, “Stabil-TRAK™ Boom Interlock
Electrical Circuit Operation and
Troubleshooting (10054, 13198-17984),”
or Section 10.10, “Stabil-TRAK™ Boom
Interlock Electrical Circuit Operation and
Troubleshooting (10054, 17985-19987
and 0160002332 & After).”