TM 5-3805-254-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. ENGINE FAILS TO CRANK - CONTINUED.
WARNING
Although KEY SWITCH must be on and battery ground cable connected to test electrical circuit voltage, turn off KEY
SWITCH and disconnect battery ground cable before doing resistance tests or replacing parts. This will keep you
from getting shocked and prevent damage to parts and equipment.
Do not smoke, use open flame or allow sparks near batteries. Failure to observe these precautions could cause
serious injury to personnel.
Step 7
Check battery positive (+) cables (1) for loose, corroded, frayed, or broken condition.
a
If battery positive (+) cables (1) are loose, tighten nuts (2) using two 1/2-inch open-
end wrenches.
b
If battery cable terminals (3) are corroded, loosen nuts (2) using two 1/2-inch open-
end wrenches and pull battery cable terminals (3) off battery posts (4) using battery
terminal puller. Clean battery positive (+) cables (1) and battery posts (4) using
battery terminal cleaner. Place battery cable terminals (3) on battery posts (4) and
tighten nuts (2) using two 1/2-inch open-end wrenches.
c
If battery positive (+) cables (1) are frayed, repair (page 2-424).
d.
If battery positive (+) cables (1) are broken, replace (page 2-829).
e
If battery positive (+) cables (1) are not loose, corroded, frayed, or broken, go to step
8.
Step 8
Check battery negative (-) cables (5) for loose, corroded, frayed, or broken condition.
a
If battery negative (-) cables (5) are loose, tighten nuts (6) using two 1/2-inch open-
end wrenches.
b
If battery cable terminals (7) are corroded, loosen nuts (6) using two 1/2-inch open-
end wrenches and pull battery cable terminals (7) off battery posts (8) using battery
terminal puller. Clean battery cable terminals (7) and battery posts (8) using battery
terminal cleaner. Place battery cable terminals (7) on battery posts (8) and tighten
nuts (6) using two 1/2-inch open-end wrenches. ¾
2-90
