TM 5-3805-261-20
Section XXVI. HORN AND BACK-UP ALARM TROUBLESHOOTING.
7-98.
GENERAL INFORMATION. This section lists the common horn and back-up alarm 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.
7-99.
HORN AND BACK-UP ALARM 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.
HORN AND BACK-UP ALARM TROUBLESHOOTING AND MAINTENANCE PROCEDURES.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
a.
HORN FAILS TO OPERATE.
Step 1. Turn service lights on and check circuit breaker number 60A.
Reset circuit breaker.
Step 2. Check fuse number 15A.
If fuse is blown--replace. Refer to paragraph 7-63.
Step 3. Check horn assembly (Figure 7-147).
Figure 7-147
7-240
