TM  10-3930-653-14&P (3)  Install gears onto respective shafts and measure clearance between splines of them in rotational direction. If splines are excessively worn, replace gear. Note : When making checks, gears should be installed in position on each shaft. If gears are not installed correctly, a wrong measurement will be obtained. Unit: mm(in) Checking Item   Standard Value Service Limit Clearance between output    0 1-0 2 shaft and output gear spline (0.004-0.008) -- in rotational direction Clearance between idle gear 0.1-0.2 shaft and reverse idle gear in (0.004-0.008) -- rotational direction Clearance between pump drive 0.073-0.156 gear and pump wheel boss (0.003-0.006) -- splines in rotational direction , I CASE COVER INSPECTION (1) Check switch plate of direction change rod for wear, and if unsatisfactory, replace. (2) Measure valve control lever end diameter, and check for wear or damage. If any defect is found, replace. Unit: mm(in) Checking Item   Standard Value Service Limit Valve control lever end 13.8-14.0 diameter (0.543-0.55) -- Fig. 4-319.  Checking Gear Splines Fig. 4-320. Fig. 4-321.  Measuring Valve Control Lever End Diameter 4-171