TB 065 - Vehicle Battery Systems Flashcards
The “Six-Battery System” evolved from the need of an electrical system which was capable of maintaining the _____ _____ Radio, the _____ Radio, the _____ Radio and the _______ _______ ________ (___), while having enough amperes to supply the rest of a vehicle’s electrical requirements.
800 MHz radio, UHF, VHF, MOBIL DATA TERMINAL
This system has been installed in all heavy apparatus and consists of six (two sets of three), lead acid ___ volt batteries.
12
These batteries are rated at ____ cold crank amperes at __ degrees F.; they have a reserve capacity of ____ minutes at ___ amperes draw per hour.
950
0
190
25
Diesel engines draw approximately ____ amperes per cubic inch when starting
2
The batteries are connected in ________ to the rest of the electrical system. This configuration allows the _______ or the on board battery charger to charge all batteries simultaneously.
Parallel
Alternator
_____of the six batteries are used to start the apparatus.
5
The sixth battery (____ _____) is not connected to the starting circuit and is strictly used to keep the 800 MHz Radio, the UHF and VHF Radio and the MDT powered at all times.
Right rear
How many modifications that have been made on all heavy apparatus equipped with the new Six-Battery System:
4
- The battery selector switch has been chanced to a simple “_______” switch. This new switch is located in proximity to the old battery switch.
On-off
- The combined use of the 800 MHz Radio, the UHF and VHF Radio, and the MDT units, causes a constant ______ amperes per hour draw on the battery system.
8
Due to this constant drain, an automatic onboard (___ amp) battery charger has been installed on each apparatus. This charger is connected to the “______ _______” _______ receptacle (____ volt shore power).
40amp
Engine block heater
110 volt
Heavy apparatus must be plugged in when the vehicle, is
In quarters
When the battery charger is in operation, the amount of charge will be shown on the ammeter located on the _____ ______ side of the charger. (The ammeter on the right front side is ________.)
Left front
Disconnected
When the batteries are at full charge, the charger will automatically
Shut off
The ammeter will show a reading of _____ and the green indicator light on the front of the charger will _______.
0
Activate
NOTE When the apparatus is out of service for an extended period of time (over ____ hours or the on-board battery charger cannot be plugged in, the radio “cut off switch” must be _____ _____ to avoid running down the batteries. This switch is located inside the _____ compartment.
10 hours
Turned off
Radio compartment
- All apparatus have been installed with a
Low voltage warning system
An audible warning device activates anytime the batteries fall below
12.2 volts
When the device activates, the apparatus must either be ______ or the _________ battery charger must be plugged in.
Started
On-board
- A digital voltmeter has been installed on either the _______ or the ________ ________. This voltmeter should be monitored to insure that a minimum of _____ volts are available from the batteries at all times.
Dashboard or center console
12.2
The Four-Battery System Designed for
Rescue ambulances
It consists of two batteries under the ______ and two batteries in the (____) side compartment of the vehicle.
Hood
Left
There are ______ specific features to the Four-Battery System:
3
- A battery charger is located under the ________ seat of the ambulance.
Passenger sear
