Section 28(32) in Technical Specifications of HVAC Ordinary Bus
32.0Wind screen wipers.- Electrically operated wind screen wiper system having two wiper arms with blades shall be provided. The wiper motor shall be heavy-duty steel body for minimum of two-speed operations. The wiper arms shall rest horizontally when not in use. The sweep angle shall be sufficiently wide for clear view during rainy days. The windscreen wiping system shall be 24 V, variable speed, pantograph type fitted with time delay relay. The windshield washer system shall deposit washing fluid on the windshield and when used with the wipers, shall evenly and completely wet the entire wiped area. The windshield washer system shall have two minimum 2.5 litre tanks located for easy refilling from inside the bus and two Nozzles at suitable location for proper spray of fluid. Reservoir pumps, lines and fitting shall be corrosion resistant and reservoir itself shall be translucent for easy determination of fluid level. The windscreen wiping system shall be in accordance with CMVR/BS: 7827 Part 1, 2, 3 (section 1, 2) or latest.
