specific areas of improvement for a4 include
1. mobility
2. power management
3. controls and displays
4. situational awareness
fuel capacity
cruisong range
combat weight
155 gal (top fuel cell 30 gal and bottom fuel cell 125)
250 miles at 35 mph
80,392 lbs (40.196 ton)
path: what does it stand for, whats the location, what did it consolidate and whats the function?
power allocation transfer transfer hub
pcm3 and hull power box
serves as a junction point to control, distribute, protect, and isolate power prior to supplying power to the s2pc and dvdb
start status indicators
fail status: (red) ecm reports failed start status
start status cold: (amber) ecm reports a cold start status
starting status start: (green) ecm reports start in progress status
mfocs location
in the turret behind the gunners position
mobility list
1. capabilities/capacities
2. 675 HP engine
3. improved cooling system
4. hmpt-800 transmission
5. electrical generation
6. fuel/water seperator
7. fan speed control valve
8. transmission control module
9. accelerator pedal
what is the 675 hp engine
v shaped, turbocharged, after- cooled, engine with 903 cubic inches of displacement
s2pc what does it stand for, where is it located, and what did it combine?
solid state power controller
located in the sub turret floor under the vc
combined power distribution functions of the TPB, signal distribution box, pcm1 and pcm2.
4 circuit breakers that need to be turned on manually
1. gpfu heater for gunner
2. gpfu heater for commander
3. microclimate cooling system
4. muos battery charger
what did the jbcp replace
fbcb2 or jcr
power management list
1. power allocation transfer hub
2. solid state power control
3. digital vehicle distribution box
4. turret battery unit
5. battery monitoring system
6. high speed slip ring
7. central processor unit
8. vehicle health management system
primary function of the improved cooling system
to remove heat energy created by the combustion process from the engine
digital vehicle distribution box location and function and what does it provide power to
located: left sponson
function: distributes electrical power, with circuit protection, to designated hull loads. provides interface to dtd for hull system status and digital diagnostics
provides power to:
cbrn system
hatch switches and sensors
exterior light/ dome lights
engine access door hydraulic system
rmp hydraulic system
bilge pumps
personnel heater
emubc definition
state of the art scalable charging system that provides the ability to charge a wide range of military and commercial batteries
crew v3 function
provides additional electronic countermeasure protection against high and low power remote control improvised explosive devices
controls and displays list
1. drivers switch indicator panel
2. drivers tactical display
3. common intelligent display
4. microclimate cooling system
5. expeditionary modular universl battery charger
6. gps retransmission system
7. dve-w
8. nato slave recepticle
9. afes cep
what is the hmpt-800
three range, fully automatic, electrically controlled, hydro mechanical cross drive transmission steer mechanism, braking mechanism, and hydraulic operated clutches
turret battery unit location, function
connected between the s2pc and the turret battery
designed to prevent the turret battery from outgassing by limiting either charge current or charge voltage based on battery condition
dve w definition
real time, un cooled, passive thermal imaging system
situational awareness upgrades
1. mfocs
2. kgv 72 ped
3. jbcp
4. counter radio controlled electronic warfare
transmission control module location and function
located, where the electric assembly was mounted
function: provides electrical control of the transmission, provides improved acceleration and braking
high speed slip ring function
provides the increased capability to transfer power, voice and data communication signals, video signals, radio frequency signals, cbrn filtered air, and dignostic data between the hull and turret
the warning light will illuminate under the following conditions
1. if battery voltage exceeds 30 volts
2. if coolant level is low
3. if coolant temperature exceeds 200 degrees farenheit
4. if engine oil pressure drops below 5 psi
5. if transmission oil temperature exceeds 265 degrees farenheit
6. if transmission oil pressure drops below 72 psi
7. if fuel filter is restricted to 7 inches of mercury or higher