TM 5-3805-261-20
Section XI. CAB SWITCH PANEL TROUBLESHOOTING.
7-40.
GENERAL INFORMATION. This section lists the common cab switch panel malfunctions which may occur
during the operation of the 130G Grader. You should perform the tests, inspections and corrective actions in the order
listed. Follow the troubleshooting procedures listed below step-by-step until you can go no further.
7-41.
CAB SWITCH PANEL TROUBLESHOOTING PROCEDURES. This section cannot list all possible
malfunctions, nor can it list all possible tests, inspections or corrective actions. If a malfunction is not listed, contact your
supervisor.
CAB SWITCH PANEL TROUBLESHOOTING AND MAINTENANCE PROCEDURES.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
a.
WINDSHIELD WIPERS DO NOT OPERATE.
Step 1. Check fuse number 4A.
If the fuse is blown--replace. Refer to paragraph 7-62.
Step 2. Test the continuity of the windshield wiper switch. Connect one lead of multimeter to back of switch and
one lead to ground (Figure 7-56).
Figure 7-56
If the multimeter needle does not move, the circuit does not have continuity. Replace windshield wiper switch.
Refer to paragraph 7-43.
7-105
