SkyTrak 6042 Service Manual - Manual (Page 521)

10.15 Model 6042 Legacy Origin 7/02
Stabil-TRAK™ System
Figure 10-19 Stabilizer Cylinder Solenoids, Check Valves and Pressure Reducing Cartridge
10.5.4 Hydraulic Troubleshooting - Free Pivot Mode, Rod Oil Out
MA10,0790
Front
3
2
4
5
6
8
9
1
7
Legend
1. Stabilizer Cylinder
2. Solenoid 12B
3. Solenoid 12A
4. Pressure Reducing Cartridge
5. Solenoid 4A
6. Solenoid 4B
7. Solenoid 3
8. Check Valve 2A
9. Check Valve 2B
Not
OK
Refer to Section 10.4, “Stabil-TRAK™
Electrical Circuit Operation and
Troubleshooting.”
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, “Stabilizer Cylinder.”
Inspect check valves 2A and 2B
on the stabilizer cylinder. Refer to
Section 8.13.9, “Stabilizer Cylinder.”
Replace solenoid(s).
Clean passages or replace
cartridge(s).
Replace check valve(s).
If OK
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.