TM 5-3805-261-20
Section I. CHARGING SYSTEM TROUBLESHOOTING.
7-1.
GENERAL INFORMATION. This section lists the common charging system 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.
7-2.
CHARGING SYSTEM 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.
CHARGING SYSTEM TROUBLESHOOTING AND MAINTENANCE PROCEDURES.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
Condition of battery will indicate if charging system is operating properly. An adjustment or
replacement is necessary if the battery is consistently low or requires excess fluid (more than one
ounce per cell, per week).
BATTERY LOW OR REQUIRES TOO MUCH FLUID.
Step 1.
Check the battery electrolyte level. Refer to TM 5-3805-261-10.
Fill batteries if necessary. Refer to TM 5-3805-261-10.
Step 2.
Check the battery cables between the starter motor, battery and engine ground for corrosion or
damage. Refer to paragraph 7-112.
Replace cables as necessary. Refer to paragraph 7-112.
Step 3.
Check alternator. Refer to paragraph 7-5.
Replace alternator if necessary. Refer to paragraph 7-5.
7-7
