TM 9-2320-209-10-1 (8) Avoid operating the engine or the power train at full speed. CAUTION During road test, do not go faster or operate the truck continuously at the maximum allowable speeds shown on the truck instruction and caution data plate. c. Road test. All trucks received by the using organization must be road tested to check their operation and condition. For all new or reconditioned trucks, except those driven 50 miles or more during delivery, the road test will be a minimum of 50 miles. For used trucks and trucks driven 50 miles or more during delivery, the road test will be long enough to observe truck operation and conditions. The operator will look at the instrument panel and gages, as often as possible, for signs of unsatisfactory performance. Stops will be made at least every 10 miles to give the operator a chance to inspect the truck for possible coolant, oil, fuel or exhaust leaks and any signs that may show the engine, transmission, wheel hubs, brakedrums, axle differential or transfer assemblies are over- heated. The truck must be checked throughly for any control hard to operate and any instrument not operating properly. Unusual noises and vibrations will be noted. All unusual conditions will be reported to organizational maintenance unit. d. After the Road Test. After the road test, fix any faulty condition which can be done at operator's maintenance level. Tell organizational maintenance unit about any other faulty conditions. 3-2