TM 5-2420-231-23-1
0080
Table 1. Stabilizers and Backhoe Auxiliary Hydraulic Controls Do Not Operate - Continued.
080
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
12. Using a digital multimeter, test for
Stabilizers and Backhoe
Continuity - Replace pilot controls
continuity between pilot control
Auxiliary Hydraulic Controls
wiring harness (WP 0187).
wiring harness connector (WP
Do Not Operate - Continued
Proceed to Test Step 5.
0007, Figure 219) terminals 5 and
No Continuity - Proceed to step 13.
all other terminals on connector.
There should be no continuity.
13. Using a digital multimeter, test for
Continuity - Replace pilot controls
continuity between pilot control
wiring harness (WP 0187).
wiring harness connector (WP
Proceed to Test Step 5.
0007, Figure 219) terminals 6 and
No Continuity - Replace pilot controls
all other terminals on connector.
controller (WP 0191).
There should be no continuity.
Connect all wiring harness connectors.
Install stabilizer control switches (WP
0190).
Install left tower boot (WP 0287).
Proceed to Test Step 5.
Test Step 5. Verify That Symptom Is
Resolved.
1. Ensure all wiring harness connec-
tors are connected.
2. Start and operate machine (TM 5-
2420-231-10).
3. Turn pilot control switch to the on
position (TM 5-2420-231-10).
4. Operate right and left stabilizer
Right and Left Stabilizers Cylinder
Operates Normally - Stop engine (TM
down then up (TM 5-2420-231-10).
5-2420-231-10).
Monitor and record machine oper-
Troubleshooting complete.
ation.
Left and Right Stabilizer Will Not
Operate - Stop engine (TM 5-2420-
231-10).
Repeat troubleshooting from the
beginning.
END OF WORK PACKAGE
0080-7/(8 blank)