TM 3-4230-218-12&PCAUTIONIf enlargement of tank hole is required to install clamp patch, cut hole horizon-tally only.Enlarging the hole vertically may cause ripping and collapse ofwater tank.(3)(4)(5)Select smallest clamp patch that will fit through the hole. Ifhole is smaller than patch, enlarge the hole horizontally withknife so sealing end of clamp patch fits through the hole.Rotate the clamp patch 1/4 turn until it covers hole.Slide bearing plate (1) and wing nut (2) onto threaded portionand tighten wing nut until tank material is securely clampedand leak has stopped.Clamp Patches.c.Refer to Appendix A for manuals on decontaminating Procedures.2-45/(2-46 Blank)
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