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STARTING AND OPERATING 429 Over The Road Operation With Snowplow Attached The blade restricts air flow to the radiator and causes the engine to operate at higher than normal temperatures. Therefore, when transporting the plow, angle the blade completely and position it as low as road or surface condi- tions permit. Do not exceed 40 mph (64 km/h). The operator should always maintain a safe stopping distance and allow adequate passing clearance. Under ideal snow plowing conditions, 20 mph (32 km/h) should be maximum operating speed. The operator should be familiar with the area and surface to be cleaned. Reduce speed and use extreme caution when plowing unfamiliar areas or under poor visibility. General Maintenance Snowplows should be maintained in accordance with the plow manufacturer's instructions. nals clean and free of corrosion. damage, the following precautions should be observed. congested areas where speeds are not likely to exceed 15 mph (24 km/h). At higher speeds operate in 4HI. • Vehicles with automatic transmissions should use 4LO range when plowing deep or heavy snow for extended periods of time to avoid transmission overheating. • Do not shift the transmission unless the engine has returned to idle and wheels have stopped. Make a practice of stepping on the brake pedal while shifting the transmis- sion. 5 |