TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
Page 259 of 532
3-34. Piston Oiler Nozzles, Generator, and Starter Idler Gears a. Cut lking wire, remove 12 slotted nuts (fig. 3- TM 9-2815-220-34 136) and 1·emove six piston oiler nozzle assemblies. Remove 12 crankcase protectors Part No. 10X;Z. 0 0 0 • • • • Fisure 3·136. Removins in*1/ins piston oiler noiile auemblie1. b. Cut locking wires and remove two slotted nuts (fig. 3-137) attaching starter idler gear shaft to crankcase. Remove two slotted nuts attaching generator idler gearshaft to crankcase. G " h. . . TA021681 Figure 3-137. Removins ur installi11s ltarter a11d se11erator idler geaflliafr flanse nut1. c. Install mechanical adapter Part No. S7291 (fig. 3-1&) into tapped hole provided in end of starter idler gearshaft and install mechanical puller Part No. 8708712 into adapter. Slide hammer on puller against handle to pull starter idler gearshaft from crankcase assembly. Support starter idler gear with wꝏden blk while removing gearshaft and then remove idler gear. Remove and discard preformed packing. NOTE Remove generator idler gearshaft and idler gear in the same manner as instructed for starter idler gearshaft and idler gear. MECHANICAL PULLER ASSEMBLY Fisure 3-138. /(emovirig 1tarter and/or gc11erotar idler getml1aft. d. Cut lking wire and remove· six slotted nuts (fig. 3-139) attaching starter driven gearshaft bearing cage to crankcase assembly. Install two 6/16-24 jack screws in holes provided in cage. Alternately tighten jack screws until cage separates from crankcase. 3-57