MEGA Corp. MTT-OPS-1 - Manual (Page 13)

MTT-OPS-1
13 Nov 2013
SECTION 2
System Description
2-4
CAB CONTROL SYSTEM (ANALOG)
Multi-function control box that is mounted in the
vehicle cab to control all water tank functions.
Controls are available for the monitor, intermittent
spray, water pump, work lights, foam suppression,
adjustable nozzle, system, spray heads, spray bar,
gravity dump bar and tank drain valve. The control
box also provides indications of tanker water level
and a system fuse holder. The cab controls requires
24 VDC vehicle power to operate.
There are several different configurations of the in-
cab control boxes. Each box is designed and
mounted for a specific prime mover. These
configurations are as follows:
The control functions operate as follows:
Standard
Step Box
Coffin Box
Control Function
Joystick Sends command signals to the
logic box (electric monitor) or
hydraulic control valve assembly
(hydraulic monitor) to move the
monitor left, right, up and down.
TIMER ON Sets ON time (variable adjust-
ment 5-100 sec) of selected spray
heads and dump bar when the
timer switch is in the intermittent
position
TIMER OFF Sets OFF time (variable adjust-
ment 5-100 sec) between timer
cycles of selected spray heads
and dump bar when the timer
switch is in the intermittent posi-
tion.
PUMP Routes vehicle hydraulic system
pressure and flow to the water
pump hydraulic drive motor.
MONITOR Opens the water cannon BFV.
LIGHTS Provides power to work lights.
FOAM Open or closes the foam concen-
trate tank in-line control valve.
INTERMITTENT/
CONSTANT Activates or deactivates system
timer function.
AUX Reserved for specialized func-
tions.
ADJUSTABLE
NOZZLE Adjusts monitor nozzle from
FOG/FAN to STREAM.
AUX Reserved for specialized func-
tions.
WATER LEVEL Indicates tank water level.
SYSTEM Provides power for all cab control
functions.
LT BUMPER Opens or closes left front bumper
spray head.
LT VSS Opens or closes left vertical side
spray head.
LT REAR Opens or closes left rear spray
head.