Windsor-Severence Fire Protection District
Heavy Rescue
Production Specification
SVI #774 Page 59 of 126 April 19, 2010
ROTO-RAY WARNING LIGHTS SWITCH
The Roto-Ray front warning lights shall be separately controlled through a virtual switch on the MUX display.
HORN RING SELECTOR SWITCH
A virtual button on the MUX display shall allow control to either the air horn or the electric horn from the steering wheel
horn button. The electric horn shall sound by default when the selector switch is in either position which is in accordance
with FMVSS requirements.
AIR HORN ACTIVATION
The air horn actuation shall be accomplished by the steering wheel horn button and a right side officer's mounted
Linemaster model SP491-S81 foot switch. An air horn activation circuit shall be provided to the chassis harness pump
panel harness connector.
MECHANICAL SIREN ACTIVATION
The mechanical siren shall be actuated by two (2) Linemaster model SP491-S81 foot switches mounted in the front
section of the cab for use by the driver and officer. A red momentary siren brake rocker switch shall be provided in the
switch panel on the dash.
The siren shall only be active when master warning switch is on to prevent accidental engagement.
BACK-UP ALARM
An ECCO model 575 backup alarm shall be installed at the rear of the chassis with an output level of not less than 107
dB. The alarm shall automatically activate when the transmission is placed in reverse.
INSTRUMENTATION
An ergonomically designed instrument panel shall be provided. The gauges shall be backlit with red LED lamps. All
gauges shall be driven by stepper motor movements. The instrumentation system shall be multiplexed and shall receive
engine and transmission information over the J1939 data bus to reduce redundant sensors.
The instrument panel shall contain the following gauges:
One (1) electronic tachometer shall be included. The scale on the tachometer shall read from 0 to 3000 RPM.
One (1) electronic speedometer with an integral LCD odometer/ trip odometer and hour meter shall be included. The
speedometer shall have a dual scale with miles per hour (MPH) as the dominant scale and kilometers per hour (KPH) on
the minor scale. The speedometer scale shall read from 0 to 90 MPH (0 to 140 KPH). The odometer shall display up to
9,999,999.9 miles. The trip odometer shall display up to 9,999.9 miles. The LCD screen shall also be capable of
displaying certain diagnostic functions. The hour meter shall display engine hours of operation.
One (1) three function gauge with primary system, secondary system and fuel level shall be included. The scale on the
air pressure gauges shall read from 0 to 140 pounds per square inch (PSI). The air pressure scales shall be non-linear to
expand the scales in the region of normal operation. A red indictor light in the gauge shall indicate a low air pressure.
The scale on the fuel level gauge shall read from empty to full. A yellow indicator light shall indicate low fuel at the quarter
tank level.
(112 Seiten)
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