TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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131 M1089  133  136  138 M1085/M1084  M1083/M1088/M1090/  M1094/M1092  M1086/M1096  TM 9-2320-366-20-2  Change 1 2-1889  Model Used On Air Hose Number  (1) Tighten air hose 109 at two-way check valve  supply port.  (2) Loosen air hose (refer to Table 2-48.1. Air  Hose Numbers) at delivery port of two-way  check valve.  (3) Release SYSTEM PARK (TM 9-2320-366-10-1)  and check for presence of air at air hose (refer  to Table 2-48.1. Air Hose Numbers).  (4) If no air is present, replace two-way check  valve (para 11-16).  Table 2-48.1. Air Hose Numbers