BRIDGE ERECTION BOAT (BEB)
ELECTRICAL SYSTEMS TROUBLESHOOTING
Remove all jewelry such as rings, identification tags, bracelets, etc. If jewelry
or disconnected battery ground cable contacts battery positive post, a direct
short can result, causing damage to equipment or severe injury to personnel.
When removing cables, disconnect the ground cable first. Do not allow tools to
come in contact with hull when disconnecting cables. A direct short can
result, causing instant heating of tools, tool damage, battery damage or
battery explosion, and severe injury to personnel.
During installation of battery terminals, ensure positive clamps are installed
on positive (+) posts and negative clamps are installed on negative (-) posts.
Failure to connect clamps to correct posts will reverse polarity of circuitry and
may cause damage to rectifier diodes in alternator, vehicle wiring, and radios
Do not use a hammer during installation of battery terminal. Failure to
comply may result in damage to equipment.
Refer to the general troubleshooting instructions in the Introduction to
Troubleshooting, (WP 0004 00) prior to performing any electrical
Table 1. Electrical Troubleshooting Procedures.
TEST OR INSPECTION
1. Check position of master battery
Set master battery switch to ON
1. ELECTRICAL SYSTEM
1. If readings are below 24 volts, test
2. Check starting batteries and
auxiliary batteries voltage readings,
indicated on instrument panel
2. Replace defective batteries.
3. Check battery connections and
1. Clean battery posts and cable
2. Tighten cable leads.
3. Replace defective cables
4. If battery fails to charge, replace
4. Charge battery.
5. Check master switch.
If master switch is defective, replace