TM 9-4940-568-343-48 3-14. SWING DRIVE ASSEMBLY REPLACEMENT (Continued)(14) With help from assistant and usinglifting device, remove nine screws (12),washers (13), and swing drive assembly(1) from subframe assembly (6).(15) Remove two screws (9), washers (10)and chain from swing drive assembly(1).(16) Remove 33 screws (24) and washers(25) from bearing gear (22).(17) Attach lifting device to bearing gear (22)with three screws (23).(18) Remove bearing gear (22) fromsubframe assembly (6).(19) Remove three screws (23) and liftingdevice from bearing gear (22).WARNINGUnsafe welding practicescan cause serious injuryfrom fire, explosions, orharmful agents. Allow onlyauthorized personnel toweld or cut metals, and fol-low safety precautions inTM 9-237. Protective cloth-ing and goggles must beworn; adequate protectiveequipment used, a suitablefire extinguisher keptnearby; and requirementsof TM 9-237 strictly fol-lowed.(20) Weld spacer ring (20) to subframeassembly (23) in accordance to TM9-237.SHIM .005IN.(.127 mm)612132620110922622242523620
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