TM 9-2320-209-34-2-3 d. Cleaning. There are no special cleaning procedures needed. Refer to cleaning procedures given in Part 1, para 1-3. NOTE Clean all parts before inspection and after repair. e. Inspection and Repair. FRAME 1 1. Check that crosshead (1) and upper and lower lock retainers (2) have no cracks or damage. Fix cracks by welding. Refer to TM 9-237. If parts are damaged beyond repair, get new ones. 2. Check threaded holes (3) in ends of crosshead (1) and threads on retainer screws (4). Retap or rethread damaged threading. If parts are damaged beyond repair, get new ones. GO TO FRAME 2 18-176