Sewing machine repair—Continued disassembly and reassembly of the 111 W 155 sewing machine—Continued disassembly—Continued thread take-up lever, driving stud, 4-23 throat plate, 4-25 vibrating pressure foot, 4-23 reassembly, 4-27 to 4-31 alternating presser driving rock- shaft, 4-29 arm cap, 4-31 arm shaft, 4-28 arm shaft connection belt pulley position screw, 4-29 arm shaft pulley and arm shaft connection belt, 4-29 balance wheel, 4-29 balance wheel adjusting screw, 4-29 bell crank, 4-30 bobbin-case opener, 4-27 faceplate, 4-31 feed indicator disc, 4-29 feed-driving connection and feed-driving crank, 4-27 feed-driving eccentric, 4-28 feed-driving rockshaft, 4-28 feed-lifting eccentric, 4-28 front presser bar connecting link, 4-30 hook saddle assembly, 4-27 hook saddle screw, 4-27 hook-driving gear, 4-28 hook-driving shaft, 4-27 hook-driving shaft lock ratchet, 4-27 knee lifter lifting lever, 4-31 knee lifter lifting lever hinge screw, 4-31 needlebar connecting link, 4-29 needlebar rock frame assembly, 4-30 needlebar rock frame rockshaft, 4-28 presser bar, 4-30 presser bar position guide, 4-30 presser bar spring, 4-30 presser-lifting eccentric, 4-29 presser-lifting eccentric con- nection link, 4-28 safety clutch pulley, 4-28 take-up lever, 4-29 take-up lever driving stud, 4-29 Sewing machine repair—Continued disassembly and reassembly of the 111 W 155 sewing machine—Continued reassembly—Continued thread take-up lever hinge stud, 4-30 thread tension release lever rod, 4-30 Shelter, 5-30 to 5-31 Shock, 5-38 to 5-40 control of, 5-38 to 5-39 symptoms, 5-39 treatment, 5-39 to 5-40 Signaling, 5-31 Singer sewing machines 31-15, 331K1, and CONSEW C-30, 4-11 to 4-21 Supply nitrogen system, 2-2 to 2-4 Survival, 5-30 to 5-42 Survival self-treatment first aid, 5-37 to 5-42 Swimmer-assisted rescue, 5-21 to 5-22 111 W 155 sewing machine, 4-1 to 4-11 adjustments, 4-8 to 4-11 cleaning and oiling, 4-2 to 4-3 preventive maintenance, 4-2 timing the 111 W 155 machine, 4-3 to 4-8 troubleshooting, 4-11 rescue net (single rescue), 5-26 to 5-27 rescue seat, 5-25 rescue strop (horse collar), 5-23 to 5-27 rescue swimmer’s harness, 5-21 to 5-22 Singer sewing machines 31-15, 331K1, and CONSEW C-30, 4-11 to 4-21 preventive maintenance, 4-17 timing and adjustments, 4-17 to 4-21 adjusting the feed dog height, 4-19 centering the feeding action, 4-20 setting side play of feed dogs, 4-20 setting the presser bar, 4-20 to 4-21 timing the feed-driving eccentric, 4-20 timing the needle with the shuttle, 4-18 to 4-19 T Test pressure gage (PG-1), 1-6 to 1-7 Test stand, the 59A120, 1-1 to 1-11 Timing and adjustments, sewing machines, 4-17 to 4-21 I-5