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BATTERY TESTING - Continued
BATTERY TESTING - Continued

M48A5 Tank Chassis, Transporting: For Bridge, Armored-Vehicle-Launched; Scissoring Type, Class 60 -3 Page Navigation
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TM 5-5420-226-20-3
BATTERY TESTING (Sheet 3 of 5)
Testing Using Hydrometer (Sheet 2 of 2)
8.
Using correction chart (G), correct
readings recorded in step 6 to 80°F.
Example: Hydrometer shows 1.280
specific gravity. Electrolyte temperature
is O°F. Using correction chart (G),
note that for electrolyte temperature
of O° F, 0.032 is to be subtracted from
hydrometer reading. Therefore, corrected
reading is: 1.280-0.032 = 1.248.
Using pencil and paper, add all six corrected
9.
readings together and divide by 6 to
find the average reading for the battery.
If average reading for battery is below
10.
1.225, charge battery (TM 5-5420-226-10).
If any two of six readings for battery are not
11.
within 0.025 of each other, replace battery
(page 10-253).
Replace rubber battery cover (page 10-256).
12.
Turn MASTER BATTERY switch to ON (TM
13.
5-5420-226-10).
End of Task
TA168911
10-260






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