TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Remove 1. Cut locking wires (A). 2. Remove two slotted nuts (B) attaching starter idler gear shaft to crankcase. 3. Remove two slotted nuts (C) attaching generator idler gearshaft to crankcase. Install 1. Install two slotted nuts (C) securing generator gearshaft to crankcase. 2. Install two slotted nuts (B) securing starter gearshaft to crankcase. 3. Install locking wire (A) securing slotted nuts. idler idler Figure 5-181. Removing or installing starter and generator idler gearshaft flange nuts. 1. Install mechanical adapter - 5120-837-5091 (A) into tapped hole provided in end of starter idler gearshaft. 2. Install mechanical puller - 5120-310-4668 (B) into adapter. Slide hammer on puller against handle to pull starter idler gearshaft from crankcase assembly. 3. Support starter idler gear (C) with wooden block while removing gearshaft and then remove idler gear. 4. Remove and discard preformed packing (D). Note. The generator idler gearshaft and idler gear are removed in the same manner as in- structed for starter idler gearshaft and idler gear. Figure 5-182. Removing starter and/or generator idler gearshaft. 5-106 Remove 1. Cut locking wire (A). 2. Remove six slotted nuts (B) attaching starter driven gearshaft bearing cage to crankcase assembly. Install two 5 / 16-24 jack screws in holes provided in cage. Alternately tighten jack screws until cage separates from crankcase. Install 1. Install six slotted nuts (B) securing starter driven gearshaft bearing cage to crankcase assembly. 2. Install locking wire (A) securing slotted nuts. Figure 5-183. Removing or installing starter driven gearshaft bearing cage attaching parts.