TM 9-2350-247-34REMOVE/INSTALL TREADLE VALVE ASSEMBLY (M548A1) 0075 00THIS WORK PACKAGE COVERS:Removal (page 0075 00-1).Installation (page 0075 00-5).INITIAL SETUP:Maintenance LevelDirect SupportTools and Special ToolsGeneral Mechanic’s Tool Kit (WP 0078 00, Item 68)Materials/PartsSealing compound (WP 0080 00, Item 32)Personnel RequiredTrack vehicle repairer 63HReferencesSee your -10See your -20Equipment ConditionEngine stopped (see your -10)Carrier blocked (see your -10)Battery negative lead disconnected (see your -20)REMOVALNOTEIf air brake system is pressurized, open drain cock on reservoir before removing treadle valveassembly.1. Remove six screws (1) and washers (2). Partially remove treadle valve assembly floor plate (3) to obtain access tobottom of valve.2. Disconnect circuit 1C lead (4) and circuit 1B lead (5) from air low pressure switch (6).3. Disconnect circuit 75 lead (7) and circuit 75A lead (8) from stoplight switch (9).0075 00-1
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