Code Alarm SRT 5500 Specifications download pdf (Page 13)

December 2013

REQUEST FOR PROPOSALS FOR

PURCHASE AND DELIVERY OF HEAVY-DUTY BUSES

RFP SRTA-2014-01

TECHNICAL SPECIFICATIONS

PAGE-13

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c. All clamps, fittings, etc., must be easily accessible and installed in such a manner

that they are easily removed and replaced.

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10.5 Brake Lines at Wheels

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Flexible brake lines shall be Parker Hannifin Model 293 with nut and sleeve type fittings,

or approved equal. They shall be of adequate length to prevent any strain,

regardless of relative motion between brake valve and brake chamber, without allowing

chafing or rubbing.

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10.6 Brake Relay Valve

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A brake relay valve shall be provided. It shall be Bendix-Westinghouse R-12, or approved

equal.

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10.7 Check Valve

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A check valve shall be provided between #1 and #2 tanks, adjacent to the second tank,

and accessible for service.

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10.8 Interlock Valves, Door, Accelerator and Brake

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Door, accelerator and rear brake interlock valves shall be mounted to minimize length of

air lines. Location to be approved by the SRTA.

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10.9 Towing-Air Line Connector

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An air line connector (Shrader, or approved equa) shall be installed on the front and

rear end of the coach. Final installation locations shall be approved by the SRTA.

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10.10 Switch, Low Air Pressure

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The switches shall be connected in parallel and shall trigger a red indicator "LOW AIR"

light and an audible alarm when the air pressure of any reservoir is below 90 p.s.i.

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11. PROPULSION SYSTEM

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The powerplant shall be arranged so that accessibility for all routine maintenance is assured. No

special tools, other than dollies and hoists, shall be required to remove the powerplant. Two

mechanics shall be able to remove, replace, and prepare the engine and transmission assembly

for service in less than 20 total combined man hours. The muffler, exhaust system, air cleaner,

air compressor, starter, alternator, radiator, all accessories, and any other component requiring

service or replacement shall also be easily removable independent of the engine and

transmission removal.

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11.1 Engine

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a. Coach shall be powered by a Cummins ISL heavy-duty diesel engine with a

minimum 280BHP, 2200 RPM peak torque of 900 foot lbs., 1300 RPM, or

approved equal.

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b. Power plant shall be a complete unit, mountable and demountable unit installed

in the “T” or in-line configuration. The engine installation shall include motor

mounts and related accessories that provide proper vibration isolation and

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Code Alarm SRT 5500 Specifications Page 13

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