TM  9-2350-261-20-2 Subject,  Page Subject,  Page T (cont) Tube  (cont): M113A2,  M1059,  29-24 M106A2,  M1064,  M125A2,  29-33 M577A2,  M1068,  29-40 Cylinder  discharge,  replace,  42-11 External cable, replace, 42-8 Fuel  compartment-to-fuel  pump,  M106A2, M125A2,  replace,  29-29 Quick disconnect to ramp control valve, replace, 28-22 Ramp control valve to bulkhead connection: Replace, 28-22 Ramp pump to hydraulic tank strainer, replace,  28-7 Tube  and  hose,  engine  oil  cooler, replace,  8-14 Turret guard: Repair,  24-210 U Unit preventative maintenance checks and services,  semiannual  (S)  operation  checks,  3-41 Utility  outlet: Blower, left rear, does not work, M577A2, 3-125 Lead assembly, replace, M577A2, M1068, 17-7 Receptacle: Circuit breakers, M577A2, M1068, replace, 17-11 Rear, M577A2, M1068, replace, 17-9 Replace, all except M577A2, M1068, 17-5 Right  rear/admittance  buzzer  works improperly,  M577A2,  3-122. V Valve: Air control, repair, 7-11 Air control cable, repair, 7-13 Auxiliary  generator  fuel  shutoff,  M1068, replace,  28.1-2 Front bilge, replace, 16-7 Muffler extension and, replace, 7-18 Vanes,  air  pump,  6-135 Vent and filter screen, fuel cap, M981, M1064, clean,  6-48.1 Vent,  hoses,  tubes,  and  fittings,  M577A2, M1068, replace, 6-70 V  (cont) Ventilated face mask: Gas filter, M25/M25A1, replace, 39-101 Heater, M25/M25A1, replace, 39-102 Hose  assembly,  M25/M25A1,  replace,  39-99 Orifice connector assembly, NBC equipment, replace, 39-100 Vertical ammunition rack, M106A2, M125A2, replace,  24-188 Vertical  ammunition  rack,  M1064,  replace, 24-190.1 Vertical  fuze  rack,  M106A2,  replace,  24-186 Vision block locks and seals: Commander’s   hatch/cupola   cover: Replace,  M113A2,  M106A2,  M1064, M125A2, 24-86 Replace,  M577A2,  M1068,  24-97 Driver’s  hatch: Repair, M901A1, 24-67 Replace, all except M901A1, 24-62 Vision  port: Ramp,  M901A1,  replace,  25-37 Ramp  shield,  M901A1,  replace,  25-37 Voltage  regulator: Adjust, 100/200 amp generator, 9-38 W Warnings, summary, a Welding, repair hull by, 26-1 Wheel, idler, replace, 22-16 Wheel, idler hub, replace, 22-17 Windshield and brackets, replace, 30-2 Windshield stowage bracket, M106A2, M1064, M125A2,  replace,  24-252 Wire rope and pulleys: Replace,  M106A2,  M1064,  M125A2,  25-31 Replace, all except M106A2, M1064, M125A2, 25-30 Wiring  diagrams: M106A2,  M125A2,  FO-4 M113A2,  FO-1,  FO-2 M577A2, FO-3 M901A1, FO-6 M1064, FO-8 M1068,  FO-9  thru  FO-11 Wiring  harness: Air box heater, replace, 6-140 Chemical agent, replace 44-6 Coolant pump-to coolant heater, replace, 32-43 Index 28 Change 4