REPAIR COMBUSTOR HOUSING (AVIM) (Continued)

TM-55-2835-208-23 Transportability Guidance Small Emplacement Excavator (SEE) High Mobility Entrencher (HME) High Mobility Material Handler (HMMH) Manual
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TM 55-2835-208-23 2-18 REPAIR COMBUSTOR HOUSING (AVIM) (Continued) 2-18 d . Note If crack is longer than one inch, level edges and tack weld every 0.5 inch. Weld crack u s i ng welding rod ( E 1 8 ) b y i n e rt gas shielded method ( T M 5 5 - 1500-204-25/1). S t a r t welding from ends of crack and work toward c e n t e r . K e e p w e l d s f l a t o r s l i g h t ly convex on welded side. 2. R e p a i r c r a c k s i n b r a z e d j o i n ts (2) as follows: a . W i r e b r u s h o r b u f f r e p a i r area until bright and clean. b. Apply brazing f l u x ( E 1 2 ) generously to repair area. c . H e a t a r e a e v e n l y w i t h n e u - t r a l f l a m e f r o m g a s t o r c h while a p p l y i n g a small f i l l e t o f brazing a l l oy (E11). d . R e m o v e f l u x r e s i d u e w i th hot water. 3. Replace s t a r t bypass v a l ve boss thread inserts if damaged (TM 55-1500-204-25/1). INSPECT FOLLOW-ON MAINTENANCE: None END OF TASK 2-39

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