TM 10-6640-239-13 4-165 4-70.    TITRATOR AND BRACKETS. This task consists of: a. Remove b. Install INITIAL SET-UP Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 1) Portable Electric Drill, (Appendix B, Section III, Item 2) Twist Drill Set, (Appendix B, Section III, Item 2) Hand Blind Riveter, (Appendix B, Section III, Item 3) Materials/Parts Required Lockwashers (2) Rivets, (4) REMOVE Remove Titrator and Brackets.  See Figure 4-64. a. Open cabinet S and T to gain access to hardware. b. Loosen strap (1) securing titrator (2) and remove titrator. c. Remove two rivets (3) and bracket (4). d. Remove two rivets (5), screws (6), washers (7), lockwashers (8), nuts (9), and two brackets (10).  Discard lockwashers. INSTALL Install Titrator and Brackets.  See Figure 4-64. a. Install two brackets (10) and secure one bracket with two rivets (5) and the remaining bracket with two screws (6), washers (7), lockwashers (8), and nuts (9). b. Install bracket (4) and secure with two rivets (3). c. Install titrator (2) and tighten strap (1).