COMMAND AND CONTROL KEYBOARD
built into the engine control system to provide maximum
safety for LCAC personnel.
The function of the C&C keyboard is to provide the
operator or engineer with a centralized means of control
Engine Control Channel Selector Switch
for various craft functions. Each control function is
designated on an applicable keyboard switch. As shown
The function of the engine control channel selector
in views A and B of figure 6-14, the LCAC C&C
switch is to select which CSEP will be used for engine
keyboard comes in two styles. The design represented
control. The operator can select the desired channel by
in view A is found on LCACS 1 through 14 and 24. The
using the ENGINE CNTL A/B switch located on the
design represented in view B is found on LCACs 25 and
C&C keyboard. his switch provides redundancy in
above.
case of a system malfunction or an emergency.
The C&C keyboard is divided into the following
five functional areas:
Alarm and Monitor System Indicators
1. FUEL/DEFUEL
The function of the TF40B engine control AMS
2. MISC
indicators is to inform the operator of existing operating
3. LUBE
conditions and any alarm condition that may affect craft
movement. The TF40B AMS includes the following
4. ENGINE FEED
indicators:
5. APU FEED
Engine intake air filter alarm
In the following paragraphs, we will briefly discuss each
Blow-in door open alarm
of these functions. Refer to figure 6-14 as you read about
these functional areas.
Lube oil filter alarm
Compartment hot alarm
FUEL/DEFUEL Section
Chip sump alarm
The FUEL/DEFUEL section contains the switches
Chip bearing alarm
the operator or engineer can use to control the fuel
transfer valves, defueling valves, and fuel transfer
Low oil quantity alarm
pump.
Engines 1,2,3, and 4 ready to start
MISC Section
Engines 1,2, 3, and 4 sequence failure
Engines 1, 2, 3, and 4 degradation alarm and
The MISC (miscellaneous) section contains
percentage
switches that the operator or engineer can use to control
Engines 1, 2, 3, and 4 lube oil temperature
the application of 60-Hz electrical power, battery power,
and shore power to the craft. This section also has
Engines 1, 2,3, and 4 lube oil pressure
switches the engineer can use to test the generators. It
also contains the CSEP channel switches for the bow
Engines 1, 2, 3, and 4 exhaust gas temperature
thrusters, rudders, and engine control system. The
Engines 1, 2, 3, and 4 inlet temperature
cushion vanes and engine compartment ventilation fans
are also controlled from this section of the C&C
Engines 1, 2, 3, and 4 inlet pressure
keyboard.
Engines 1, 2, 3, and 4 compressor pressure
LUBE Section
Engines 1,2,3, and 4
Engines 1,2,3, and 4
The LUBE section contains the switches the
These indicators are provided at the engineer control
engineer can use to control the lube oil system valves.
There are four switches in this section, one for each lube
station. Refer to the appropriate technical manual for a
oil system valve.
detailed functional description of these indicators.
6-17
