SkyTrak 8042 Service Manual - Manual (Page 886)

10.45 Model 8042, 10042, 10054 Legacy Rev. 10/03
Stabil-TRAK™ System and Boom Interlock System
10.12.10 Hydraulic Troubleshooting - SLOW PIVOT Mode, Base Oil Out
Conditions:
• Ignition ON, engine
running
• Boom angle is
above 40°
• Travel select
lever in (F)
FORWARD or
(R) REVERSE
• Park brake OFF
• Service brake
DISENGAGED
If OK
Not
OK
While traveling, ride feels spongy
(riding on 3 wheels).
Check electrical wiring.
Not
OK
Check solenoid coils 4A and 4B in the
Stabil-TRAK™ manifold for correct
resistance (7-9 ohms).
Replace solenoid(s).
If OK
Not
OK
Remove solenoid coils 4A and 4B from
Stabil-TRAK™ manifold and inspect
for debris or damage. Refer to Section
8.13.9, “Stabil-TRAK Cylinder.”
Clean passages or replace cartridge(s).
If OK
Not
OK
Replace check valve(s).
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).”
Inspect check valves on frame sway
cylinder. Refer to Section 8.13.8, “Frame
Sway Cylinder.”