Section XXIV. SENDING UNITS AND WARNING SWITCHES TROUBLESHOOTING.
GENERAL INFORMATION. This section lists the common sending units and warning switches 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.
SENDING UNITS AND WARNING SWITCHES 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.
SENDING UNITS AND WARNING SWITCHES TROUBLESHOOTING AND MAINTENANCE PROCEDURES.
TEST OR INSPECTION
AIR PRESSURE SWITCH NOT OPERATING.
Check the air pressure gage for proper reading (Figure 7-135).
If air pressure switch is damaged or defective--replace. Refer to paragraph 7-91.