SkyTrak 8042 Service Manual - Manual (Page 884)

10.43 Model 8042, 10042, 10054 Legacy Rev. 10/03
Stabil-TRAK™ System and Boom Interlock System
10.12.8 Hydraulic Troubleshooting - SLOW PIVOT Mode, Rod Oil Out
While traveling, ride feels spongy
(riding on 3 wheels).
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
Check electrical wiring.
Not
OK
Check solenoid coils 4A and 4B on the
Stabil-TRAK™ manifold for correct
resistance (7-9 ohms).
Replace solenoid(s).
Not
OK
Remove solenoid cartridges 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
If OK
Not
OK
Replace check valve(s).
Inspect check valves on frame sway
cylinder. Refer to Section 8.13.8, “Frame
Sway Cylinder.”
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).”