4-5. SCALE DIAL (GUNNER'S AID) INSTALLATION
#2 cross tip screwdriver (Phillips type)
3/32" socket head screw key (Allen wrench or equivalent)
EQUIPMENT CONDITION: Azimuth indicator on work bench
Be careful when assembling to avoid personal injury with spring.
Install clamp (I) over housing assembly (2) and line up setscrew holes with slots in window.
Using Allen wrench, install six setscrews (3).
Place spring tension clip (4) in groove in-clamp (1) with bent ends in.
Holding spring tension clip (4) on clamp (1), slip dial (5) over spring tension clip (4) and clamp (1).
Using screwdriver, install three screws (6) to hold dial (5).
Do checkout procedure (Vol I, para 2-2).
END OF TASK