TM 9-2320-361-20 CHAPTER 6 TRANSFER CASE MAINTENANCE 6-1. TRANSFER CASE MAINTENANCE INDEX PARA. TITLE PAGE NO. NO. 6-2. Transfer Case Controls and Linkage 6-1 Maintenance (W/PTO) 6-3. Transfer Case Controls and Linkage 6-10 Maintenance (W/O PTO) 6-4. Front-Wheel Drive Lock-In Switch Maintenance 6-12 6-5. Transfer Case Breather Maintenance 6-20 6-2. TRANSFER CASE CONTROLS AND LINKAGE MAINTENANCE (W/PTO) This task covers: a. Removal c. Installation b. Cleaning and Inspection d. PTO Lock Adjustment INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) M49A2C, M50A2, M50A3, M756A2, and LO 9-2320-209-12-1 M764 TM 9-2320-361-10 MATERIALS/PARTS Four cotter pins Fifteen locknuts Two bushings Woodruff key Drycleaning solvent (Appendix C, Item 26) Rags (Appendix C, Item 21) PERSONNEL REQUIRED Two TM 9-2320-361-20P EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). Driver’s seat removed (para. 11-28). Cab tunnels removed (para. 11-22). GENERAL SAFETY INSTRUCTIONS Keep fire extinguisher nearby when using drycleaning solvent. a. Removal 1. Place transfer case PTO to PTO shift handle (1). shift handle (1) in NEUTRAL position and turn shift lever lock (2) parallel 6-1