ARMY TM 9-6115-641-24
AIR FORCE TO 35C2-3-456-12
2-11-3. Cleaning
a.
Remove terminal cover(s) (2, Figure 2-3) from battery post(s), if applicable.
b.
Clean battery post(s) and cable terminals with battery terminal cleaner.
c.
Install terminal cover(s) (2), if removed.
2-11-4. Repair.
NOTE
If cable cannot be repaired, refer to Appendix D.
a.
Remove applicable broken or damaged terminal as shown in Figure 2-3 or Figure 2-4.
b.
Slide new shrinkable tubing (4, Figure 2-3 or Figure 2-4) over cable end.
c.
Install applicable terminal to cable end as described in Appendix D.
d.
Heat shrinkable tubing (4) with heat gun until secure.
2-11-5. Installation.
a.
Install applicable cable assembly as shown in Figure 2-3 or Figure 2-4.
b.
Connect negative battery cable terminal (1, Figure 2-3) to battery.
c.
Close access doors.
2-12. Batteries.
2-12-1. Testing.
a.
b.
c.
d.
e.
f.
g.
Batteries give off flammable gas. Do not smoke or use open flame when perform-
ing maintenance. Flames and explosion could result in severe personal injury or
death.
Shut down generator set.
Open engine access doors and disconnect negative battery cable terminal. (1, Figure 2-3).
Remove battery vent caps.
Test specific gravity of electrolyte in each battery cell with a hydrometer. Refer to Table 2-7 for state of charge
with specific gravity corrected to 80°F (27°C). Refer to Table 2-8 for specific gravity temperature corrections.
Recharge or replace batteries as necessary. Retest batteries per above instructions.
Install battery vent caps.
Connect negative battery cable. Close engine access doors.
Table 2-7. STATE OF CHARGE WITH SPECIFIC GRAVITY CORRECTED TO 80°F (27°C)
Specific Gravity
Percent Charge
1.280
100
1.250
75
1.220
50
1.190
25
1.160
Little Useful
1.130
Capacity, Discharged
2-28
