attachment 2 section i ? technical specifications commuter coach ...

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ATTACHMENT 2
All switches and controls shall be marked with easily read identifiers. All panel-mounted switches and
controls shall be replaceable, and the wiring at these controls shall be serviceable from the vestibule or
the driver's seat.
A silent alarm switch to be “OTTO” style, located on the side of the driver's left hand panel. When
activated, the "Emergency Call Police" sign posting shall be displayed on the front and side destination
signs as well as provide a signal to the mobile radio system.
A momentary engine override switch shall be provided on the driver control panel to permit the driver
to move the coach off the road. The override switch shall be a spring loaded switch with a guarded
cover. All labeling of controls shall be permanent.
2.9.3.6 INSTRUMENTATION
The speedometer, air pressure gauge(s), and certain indicator lights shall be located on the front cowl
immediately ahead of the steering wheel. The steering wheel spokes or rim shall not obstruct the
driver's vision of the instruments when the steering wheel is in the straight-ahead position. Illumination
of the instruments shall be simultaneous with the marker lamps. Glare or reflection in the windshield,
side window, or front door windows from the instruments, indicators, or other controls shall be
minimized. Instruments and indicators shall be easily readable in direct sunlight.
Indicators immediately in front of the driver shall at a minimum include:
Headlamp Highbeam
Right Turn - may use same indicator as left turn
Left Turn - may use same indicator as right turn
Hazard warning
Parking brake applied
Service brakes applied (may be common with parking brake indicator)
The instrument panel shall include a speedometer indicating no less than 80 mph and calibrated in
maximum increments of 5 mph. The speedometer shall be a rotating point type, with a dial deflection
of 220 0 to 270 0 and 40 mph near the top of the dial. The speedometer shall be sized and accurate in
accordance with SAE Recommended Practice J678. A Dixson programmable electronic speedometer
with odometer indicating vehicle speed in miles per hour, between 0 mph and 80 mph, shall be
supplied. Speedometer speed and odometer mileage readings must be accurate within limits of plus
nothing to minus 2% when coaches are equipped with new tires. The speedometer shall be equipped
with an odometer with a capacity reading no less than 999,999 miles.
The instrument panel shall also include air brake reservoir pressure gauge(s) with indicators for front
and rear air tanks and fuel gauge. The instrument panel and wiring shall be easily accessible for service
from the driver's seat or top of the panel. Wiring shall have sufficient length and be routed to permit
service without stretching or chafing the wires. The oil pressure, water pressure, and voltmeter(s) to
indicate the operating voltage across the coach batteries shall be relocated to the rear electrical J-box in
the #3 baggage compartment