TM10-3930-660-34 6-9.  ELECTRIC JOYSTICK ASSEMBLY - REPAIR/TEST/ADTUST (Cont’d) d.   Solder yellow electrical lead of joystick to pin 2 of pushbutton switch (16) e.   Solder green jumper lead to pin 1 and pin 3 of pushbutton switch (16). f. Solder red electrical lead of joystick to pin 4 of pushbutton switch (16) 2. INSTALL PARTS (8) THROUGH (13) AND PARTS (15) THROUGH (18) TO HANDLE SECTIONS (7). NOTE Align handle section (7) on shaft coupling (14) so that coupling set screw (20) is facing center of handle section (7). a.   Place one handle section (7) on shaft coupling (14). Place switch flange (18) in lowest slot with flat surface of flange facing center of handle section (7). b.   Install pushbutton switch (16), flange (18), and nut (17) as a unit to handle section (7). c.   Install actuating button (15) with smaller diameter of button extending through top of handle section (7). d.   Place other handle section (7) on shaft coupling (14). e.   Install two screws (11), two new bowed washers (12) and two nuts (13) at bottom of handle sections (7). 6-35