TM10-3930-660-20 16-10. CAB  WINDOWS  ,  FRONT  WINDSHIELD,  RIGHT-HAND  WINDOW, AND UPPER DOOR WINDOW -  REPLACE  (Cont'd) b. Open seal (2) around entire perimeter of window (1). c. Carefully remove window (1) from seal (2). 2. IF NECESSARY, REMOVE SEAL (2) FROM WINDOW OPENING OF CAB OR CAB DOOR. INSTALLATION 1. IF REMOVED, INSTALL SEAL (2)  IN WINDOW OPENING OF CAB OR CAB DOOR. BE SURE ENDS OF SEAL (2) MEET AT BOTTOM OF WINDOW OPENING. 2. APPLY A LIGHT COATING OF SILICONE GREASE, OR SOAPY WATER TO THE INSIDE OF SEAL (2). 3. INSTALL WINDOW (1) IN SEAL (2). a. Carefully position window (1) in seal (2). b. Press inner part of window seal (2) against glass around entire perimeter of window (l). Start at split at bottom center of seal (2), and work outward. c. Begin closing window seal (2) at one of the seal ends. 16-17