TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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TM 9-2815-220-34 remove camshaft drive shaft and reset valve tim· ing. Valve timing may be reset following the in· structions that follow in paragraph e. d.1. Checking Valve Tim·ing. Turn flywheel coun- terclockwise, viewed from rear, until pad on valve adjusting screw is just free of the valve stem (in- take valve has just closed, fig. 2-158). In this posi- tion the flywheel mark "GR INT CLOSE 0.100 CLR" should be alined with timing mark (fig. 2-159.1). If flywheel marks are not alined with mark within 1/4 inch at the time the adjusting screw pad becomes free of valve stem, it will be Fig111·et.JS9. F/y/11·el timing marksali11ed ilh µui11terfur af11f' ti111i11g -1·i9ltt liu11k qf yli ndrrs, model A\IDS-17Z-iC a11d A\'DS-1190-D 11gi11f' . Figure2-J59.I. Flywhetl timing mark ali11edforvalvt timing - ght bank qfcylinders, model AVDS-1790-2DR engine. 2·96.4 Change 3 necessnry to remove camshaft drive shaft and reset valve timing. Valve timing may be reset fol- lowing the instructions in paragraph e. below. e. Special Timing Instructions. (I) Remove six capscrews, flat washers and I loop clamp (fig. 2-160) attaching camshaft gear housing cover. Remove cover and gasket. Discard gasket. (2) Remove retaining ring (fig. 2-161) and camshaft drive gearshaft plug with mechanical puller Part No. 8761297 (fig. 2-162). Remove I camshaft drive shaft using mechancal puller Part N9. 8761297 (fig. 2-J 63). � TAl261 5 � � �� \ x� f'igu re · 160. Rp1111wi11g m· i+11tulfi119 C'11111�/tr10 !J<'«, . ltu11+i11g ('Ol/('1°, Figure i-161. Remi g ur i11stalfi l/U camsltujl <fri ve gea 1hoft plug retai11i 11g ,;119.