TM 10-3930-671-24 Subject Section 12    Counterweight & Chassis 12.1 Counterweight Maintenance Maintenance - General...................................................................................................  12.1 Counterweight Removal .................................................................................................  12.1 Counterweight Mounting.................................................................................................  12.1 Counterweight Removal .................................................................................................  12.1 Counterweight Inspection...............................................................................................  12.1 Counterweight Installation ..............................................................................................  12.1 13 Upright Maintenance 13.1  Upright Maintenance Upright Down Drift (Fork Drift) Test................................................................................  13.1 Upright Maintenance ......................................................................................................  13.1 Lift Chain Maintenance...................................................................................................  13.1 Fork Removal .................................................................................................................  13.1 Carriage Removal  ..........................................................................................................  13.1 Upright Removal.............................................................................................................  13.1 Upright Mounting Parts...................................................................................................  13.1 Upright Mounting ............................................................................................................  13.1 Installation ......................................................................................................................  13.1 Upright Installation..........................................................................................................  13.1 13.2 Deleted 13.3 TSU Triple Stage Upright Triple Stage Upright Assembly.......................................................................................  13.3 Primary Lift Cylinder-TSU Upright ..................................................................................  13.3 Final Lift Cylinder-TSU Upright.......................................................................................  13.3 Lift Cylinder Piping-TSU Upright.....................................................................................  13.3 Lift Chain-TSU Upright ...................................................................................................  13.3 F-525