TM 9-2520-246-34 Section Il. REPAIR 4-4. General. a. This section contains disassembly and assembly procedures for transfer model T-136-27. b. Clean, inspect, and follow repair procedures as stated in Chapter 2. section III of this manual. c. Transfer disassembly is accomplished by the logical step-by-step procedures in paragraphs 4-5 and 4-6. Refer to paragraphs 4-7 and 4-8 for assembly procedures. 4-5. Disassembly of Transfer Into Subassemblies. a. Handbrake Drum and Shoe Assembly. Remove the cotter pin (fig. 4-3) from the rear output shaft, front output shaft. and front input shaft. Engage input shaft gears in HI or LOW position. Attach shop air hose to transfer air cylinder. Apply air and engage front output shaft with rear output shaft. Apply the hand brake by hand, and remove the companion flange nuts and washers from the three shafts. Shut off shop air hose and remove the hose from the air cylinder. Disconnect and remove the shoe return spring. Remove the jamnut from the shoe anchor pin. Unscrew the anchor pin from the rear output shaft rear bearing retainer, do not lose washers. Slide the hand brake shoe assembly from the brakedrum. Pull the companion flange, braked rum, and brake guard from the rear output shaft. (See fig. 4-5.) Remove the two capscrews and lockwashers securing the shoe stop bracket to the transfer case and remove bracket. (See fig. 4-3. ) b. NOTE Apply white lead pigment. Fed Spec TT- W-261C, to the spline of the rear output shaft before installing hand brake drum and rear output shaft companion flange. Tighten nut to 300-400 lb-ft torque. Place washers on anchor pin to space brakeshoe so 1.16 inch of drum shows. Tighten pin until bind occurs when brake is applied. and back-off turn. Tighten locknut to 153-196 lb-ft torque. Positioning of Transfer on Overhaul Stand. Install transfer on overhaul stand using brackets (items 1 and 2, table 2-1). (See fig. 4-4.) c. Draining. Remove transfer case magnetic drain plug (fig. 4-3) and front output shaft cover filler plug (fig. 4-4). inspect magnetic drain plug for chips. NOTE If chips are found, inspect in accordance with repair and replacement standards. (Refer to section V.) (MODEL T-136-27) d. 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. (1) Using a puller (item 4, table 2-1), remove input shaft companion flange. (See fig. 4-5.) NOTE Apply a coating of white lead pigment, Fed Spec TT-W-261C, to front output shaft spline before installing companion flange. Tighten flange nut to 300-400, lb-ft torque. Figure 4-3. Removal of Handbrake Assembly. (2) Using a puller (item 4, table 2-1) remove front output shaft companion flange. e. Air Cylinder. NOTE Reinstallation of air cylinder requires that cleaning, inspection and repair procedures be followed in Chapter 2, section III of this manual. NOTE To eliminate air leaks, install new gaskets and rubber seal. Make certain that the air cylinder tube cover is tightened evenly when reinstalled. Tighten screws to 5-9 lb-ft torque. 4-3