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TM 9-2350-287-34
12-3. APU GEARCASE REPAIR (continued).
16.
17.
18.
19.
20.
Install key (20) on shaft (19).
Install drive sprocket (22) on
shaft (19) over key (20).
Install chain (21) around two gear sprockets (24) and drive sprocket (22). Install bushing (23) on shaft (19).
Lightly apply grease to chain (21).
Install spacer plate (18) on shaft (19) and secure with screw (16) and new Iockwasher (17). Torque screw (16)
between 50 and 55 ft-lb (68 and 75 N·m).
21.
Remove screw (16), Iockwasher (17), and spacer plate (18) from shaft (19).
12-14
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