ARMY TM 9-1240-379-34
MARINE CORPS TM 04332A-34
3-7. SWITCH ASSEMBLY MAINTENANCE INSTRUCTIONS. (cont)
DISASSEMBLY
1 Loosen two setscrews (1) and remove
6 Remove ground strap from TUBE variable
RETICLE control knob (2).
resistor (12) and unsolder terminal lugs
(14) and (15) from wire (16).
2 Loosen two setscrews (3) and remove
TUBE control knob (4).
7 Remove nut (17) and lockwasher (18);
pull out RETICLE variable resistor (19).
3 Remove machine screw (5) and stud ter-
8 Unsolder wires from fixed resistor (20)
minal (6) from plate (7).
and stud terminal (6) to RETICLE variable
resistor (19).
4 Remove nut (8), lockwasher (9), spacer
(10), and packing (11); pull out TUBE
variable resistor (12).
5 Unsolder fixed resistor (13) from terminal
lug (14) and TUBE variable resistor (12).