TM 5-6115-465-12
TO 35C2-3-446-1
NAVFAC P-8-625-12
TM 06858B/06859D-12
WARNING
gravity temperature corrections Refer to table 3-4 for state
of charge with specific gravity corrected to 800F.
Battery electrolyte contains sulfuric acid
WARNING
which can cause severe burns. Handle
batteries with care. If electrolyte should
Batteries generate hydrogen, a highly volatile
contact the skin or clothing, rinse im-
gas, during charging. There shall be no
mediately with clean water.
smoking or open flame in the vicinity.
NOTE
(2) Recharge or replace batteries as necessary.
The 6TN and 6TL batteries can be mixed or
Table 3-3. Specific Gravity Temperature Corrections
matched.
However,
maintenance-free
batteries cannot be mixed or matched with
Temperature F
military batteries. The 6TN and 6TL batteries
Correction Factor
will perform properly in hot weather as long
+120
+0.016
as electrolyte levels are carefully monitored.
+115
+0.014
If the electrolyte expands and causes the level
+110
+0.012
to rise, some fluid must be removed. If the
+105
+0.010
+100
+0.008
distilled water may be used to obtain the
+95
+0.006
proper level. A good grade of drinking water
+90
+0.004
(excluding mineral waters) may be used if
+85
+0.002
distilled water is not available.
+80
+75
-0.002
+70
-0.004
of 1.280 and should be used in these batteries.
+65
-0.006
+60
-0.008
Do NOT adjust the electrolyte in wet batteries
+55
-0.010
to a lower specific gravity.
+50
-0.012
(2) Install batteries and connect as shown in
+45
-0.014
+40
-0.016
+35
-0.018
NOTE
+30
-0.020
+25
-0.022
When installing battery cables, always
+20
-0.024
connect ground (negative) cable last.
+15
-0.026
(3) Install retainer and secure withwashers and
+10
-0.028
nuts.
+5
-0.030
-0.032
(4) Apply an approved corrosion preventive
-5
-0.034
compound to battery pests and cable terminals.
-10
-0.036
-15
-0.038
b. Replacement.
-20
-0.040
(1) Removal.
(a) Remove battery tray retaining screws and washers
Corrected to 800F
Percentage Charge
Specific Gravity
100
1.280
(c) Remove battery cables.
1.250
75
NOTE
1.220
50
25
1.190
When removing battery cables, always dis-
Little useful capacity
1.160
connect ground (negative) cable first.
1.130
Discharged
(d) Remove batteries from battery tray.
(2) Installation. Refer to subparagraph a. above
Removal.
a.
for installation instructions.
(1) Tag and disconnect electrical leads to the slave
c.
Testing.
receptacle.
(1) Test specific gravity of electrolyte in each battery
cell with a hydrometer. Refer to table 3-3 for specific
washers (3) to remove slave receptacle (4).
Change 15