TM 9-2520-246-34 Section VI. REPAIR (MODEL T-136-21) 4-21. General. a. This section contains disassembly and assembly procedures for the model T-136-21 transfer. b. Clean, inspect, and follow the repair procedures in Chapter 2, section III, of this manual. c. Transfer disassembly is accomplished by the logical step-by-step procedures in paragraphs 4-22 and 4-23. Refer to paragraphs 4-24 and 4-25 for assembly procedures. NOTE Assembly procedures are given only where special attention to a part or assembly is needed. Assembly of the transfer is the exact opposite of disassembly, unless otherwise specified or stated. 4-22. Disassembly of Transfer into Subassemblies. a. Handbrake Drum and Shoe Assembly. Remove the cotter pin from the rear output shaft and nut. (See fig. 4-27.) Apply the hand brake by hand, and remove the rear output shaft companion flange, nut, and washer. Disconnect and remove the handbrake shoe return spring. Remove the jamnut from the shoe anchor pin. (See fig. 4-28.) Unscrew the anchor pin from the rear-output-shaft rear-bearing cover. Slide the brakeshoe assembly from the brakedrum. Pull the companion flange, brake drum, and grease shield from the rear output shaft. (See fig. 4-27.) Remove the two capscrews and lockwashers securing the shoe-stop bracket (fig. 4-28) to the transfer case and remove the bracket. NOTE Apply white lead pigment (Fed Spec TT- W-261C) to the spline of the rear output shaft before installing handbrake drum and rear output shaft companion flange. Tighten nut to 300-400 lb-ft torque. Place washers on anchor pin to space brake shoe so that 1/16 inch of drum shows. Tighten pin until binding occurs when brake is applied and back off turn. Tighten locknut to 153-196 lb-ft torque. Figure 4-28. Removal of Handbrake Assembly. b. Installation of Transfer on Overhaul Stand. Install transfer on overhaul stand using brackets. (See fig. 4-29.) c. Draining. Remove transfer case magnetic drain plug (fig. 4-27) and front output shaft cover filler plug (fig. 4-29) and drain transfer lubricant into a suitable container. Inspect magnetic plugs for chips. d. NOTE If chips are found, inspect in accordance with repair and replacement standards. (Refer to section VIII.) Companion Flanges. NOTE Apply a coating of white lead pigment, Fed Spec TT-W-261C, to input shaft spline before installing companion flange. Tighten flange nut to 300-400 lb-ft torque. 4-21
