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 MODEL AVOS-l790-20R J TA055605J Figure .i.x. lien 1· 1i111 <• 11d (lrRv1·11 drt h1J11i 1 1 g n 11 d ba$t t11dding as+tmbly. i. Fuel lnjectio11 P11p Dl'il'e Couple>' Ha{(. In- spect the front and rear coupler sleeves (4 and 18, fig. 3-232) and hubs for wear and mutilation and t· fit with mating hub splines (10 a 15) the splines of mating parts. Mating splines must match with- out binding, with a maximum total backlash of 0 .006 inch from the input encl through the output end. Check the quad rings (9 and 16) for cracks, tears, deterioration, or loss of resilience. 3-99. Assembly a. Fuell njedion Pump Advance Unit 1\ssembly. (1) Install accessory driven gearshaft plug (47, fig. 3-230) and secure with retaining ring (48). 3-144 Change 1 (2) Measure the total thickness (A, fig. 3-239) of ball bearing inner race to face of outer race, with end play removed. Measure the total thickness (B) from inner face of bevel gear to inner face of bear- ing journal. Add thickness of ball bearing race (A) I and gearshaft measurement (B) and subtract from . 2.6605 to 2.6625-inch. Add 01· remove 0.002-inch shim laminations front shim pack, Part No. 8761041, until required dimension (C) is obtained. NOTE The shim pack has several 0.002-inch laminations. Shims may be stripped from the pack to obtain shim dimensions. If shims must be added, they will have to be stripped from a new shim pack. ) )