TB-9-2300-378-14 Technical Bulletin for Air Induction System M48 M60 Download
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TB 9-2300-378-14 (d) (e) (f) (g) (h) (i) (j) (k) (l) (m) (n) Disconnect wiring harness connector from right and left bank pressure switches. Remove screw and nut securing wiring harness and clamp to tube pad retaining straps at two locations at rear of engine (view B). Take clamps off wiring harness. Remove screw and clamp securing wiring harness at two locations at rear of engine. (view A). Take clamps off wiring harness. Disconnect starter cable at disconnect bracket (view A). Cut tie wraps. Remove four screws and nuts securing starting cable connector to disconnect bracket. Remove connector from bracket (view A). Unscrew retaining nut from shell. Slide retaining nut back along cable (view A). Slide sleeving back along wiring harness lead (view A). Slide bushing back along cable (view A). Remove pin from position “C” of insert (view A). Pull lead from bushing and retaining nut (view A). Remove wiring harness from engine. (2) Installation (a) (b) (c) (d) (e) (f) (g) (h) (i) (j) (k) (l) (m) (n) d. Engine to Bulkhead Lead Assembly Replacement (Fig. 6-21). (1) Removal Lay wiring harness in position on engine between pressure switches and starter cable disconnect bracket (views A and B). Connect wiring harness long lead connector to right bank pressure switch and wiring harness short lead connector to left bank pressure switch (view A). Connect ground leads to right and left bank pressure switch mounting brackets (view A). Secure with screws and new lockwashers. At two locations at rear or engine (view B), assembly pads and retraining straps around tube assemblies. Pull slack out of wiring harness and secure wiring harness to retaining straps with clamp, screw, and nut. At two locations at rear of engine and at three locations along top left side of engine, route wiring harness along with smoke generator wiring harness and secure both harnesses with engine with clamp and screw (views A and B). Temporarily place shell in position in bracket (view A). Insert pin into position “C” of insert (view A). Push insert into position in shell (view A). Slide bushing against insert and slide sleeving against bushing (view A). Install retaining nut onto shell and tighten (view A). Place connector into disconnect bracket and secure with four screws and nuts (view A). Connect starter cable at disconnect bracket (view A). Install tie wraps ar required. Perform dust detector operational test (para. 6-17j). Install engine shroud, transmission shroud, and top deck (TM 20-1). CAUTION Loosen retaining nut (view B) of starter feed harness connector before removing powerplant. Failure to do so may damage connector. (a) Disconnect three battery ground cable assemblies from battery terminals. (b) Remove powerplant (TM 20-1). (c) Remove right side bulkhead access cover (TM 20-1). 6-54