TM 5-3740-214-14
Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE LACKS POWER (Continued)
(2)
Make sure the battery ground connection is securely fastened.
(3)
If there is any corrosion on the battery or around the terminals, rinse it off with a baking soda and
water solution.
(4)
If there is dirt on the top of the battery, brush it off.
(5)
If the cable insulation is frayed or broken, replace the cable and go to Step 6e.
(6)
If there are cracks in the sides or the cover of the battery, replace it and go to Step 7e.
Figure 5-130. Battery Voltage Test
b.
Check the battery voltage. Use a volt-ohmmeter.
(1)
Undo retainer strap and remove battery box cover.
(2)
Connect the positive (+) meter lead to the positive (+) battery terminal and the negative (-) meter
lead to the negative (-) battery terminal.
(3)
If the meter reads between 11.5 and 12 volts, the battery is ok. Go to Step 8.
(4)
If the meter reads less than 11.5 volts, go to Step 9c.
c.
Check the electrolyte in the battery. Use a hydrometer to check the specific gravity.
CAUTION
The electrolyte level must be kept above the plates in the battery.
DO NOT overfill the battery. The electrolyte should not overflow onto the battery cover when the
cell covers are placed over the cells.
5-120