SkyTrak 6042 Service Manual - Manual (Page 523)

10.17 Model 6042 Legacy Origin 7/02
Stabil-TRAK™ System
Figure 10-21 Stabilizer Cylinder Solenoids, Check Valves and Pressure Reducing Cartridge
10.5.6 Hydraulic Troubleshooting - Free Pivot Mode, Base Oil Out
MA10,0790
Front
2
3
4
5
6
8
9
1
7
Legend
1. Stabilizer Cylinder
2. Solenoid 12A
3. Solenoid 12B
4. Pressure Reducing Cartridge
5. Solenoid 4A
6. Solenoid 4B
7. Solenoid 3
8. Check Valve 2A
9. Check Valve 2B
Conditions:
• Ignition ON, engine
running
• Boom angle is
below 40°
• Travel select lever in
(F) FORWARD or
(R) REVERSE
• Park brake ON
• Service brake
DISENGAGED
If OK
Not
OK
With boom below 40°, when frame
swaying to the left, the right front tire
comes off the ground.
Refer to Section 10.4, “Stabil-TRAK™
Electrical Circuit Operation and
Troubleshooting.”
Check electrical wiring.
Not
OK
Check solenoid coils 12A and 12B on
the Stabil-TRAK™ manifold for correct
resistance (7-9 ohms).
Replace solenoid(s).
If OK
Not
OK
Remove solenoid cartridges 12A and 12B
from Stabil-TRAK™ manifold and inspect
for debris or damage. Refer to Section
8.13.9, “Stabilizer Cylinder.”
Clean passages or replace
cartridge(s).
Not
OK
Replace check valve(s).
Inspect check valves on frame sway
cylinder. Refer to Section 8.13.8, “Frame
Sway Cylinder.”
Not
OK
Replace check valve(s).
Inspect check valves 2A and 2B
on the stabilizer cylinder. Refer to
Section 8.13.9, “Stabilizer Cylinder.”
If OK
If OK