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 (2) Remove injection driven gearshaft hub clnmp (I, fig. 3-234) from injection pump drive gcarshaft ball bearing. Cut locking wire (3) and remove six bolts (2) attaching drive gearshaft to injection advance vane housing. Remove two cotter pins, slotted nuts (4), and flat washers attachjng injection advance flyweight fulcrum pin to injec- tion pump drive gearshafL Remove gearshaft (17, f ig. 3-236), bal l bearing (15) and retaining ring (14) as an assembly. (3) Removing retaining ring (14) securing injection pump drive geahaft ball bearing (15) drive gearshaft (17). Pition injection pump drive gearshaft (fig. 3-ë) in arbor press and press drive gearshaft from ball bearing using prs plate support bearing. (4) Remove advance flyweight adjusting ring (18, fig. 3-?) flyweighʦ (10) and oil control housing (9) from flyweight housing (8) as an assembly. Disconnect and remove flyweight compression spring (4) seats (6) and retainers (21), from flyweight and remove flyweighʦ from adjusting ring. parate adjusting ring and remove from oil control housing. 3-138 Change 3 figure 335. Removi11g i11jec1io11 pump dri11e gearshoft bearing. )