frame 1 TM 9-2320-209-34-2-1 c. Replacement. 1. 2. 3. 4. GO NOTE Crankshaft and camshaft gears must be put on, and cam- shaft gear retaining nut put on and tightened as soon as possible after the gears are heated. Heat crankshaft gear (1) and camshaft gear (2) to 250° F. Aline keyway in crankshaft gear (1) with key on crankshaft (3) and push crankshaft gear in place on crankshaft, making sure crankshaft gear teeth mesh with teeth on oil pump idler gear (4). CAUTION Do not turn crankshaft gear (1) while camshaft gear (2) is off or valves will be damaged. As camshaft gear (2) is being put on to camshaft (5), aline keyway in camshaft gear with key on camshaft. Aline timing marks (6) on camshaft gear (2) with timing mark (7) on crank- shaft gear (1). TO FRAME 2 2-163