TM 5-4520-256-14
(15)
Rotate switch to OFF and then VENT positions. Meter should indicate > 1 Meg-ohms.
e.
Installation.
(1)
Install switch (5) to rear of panel (4).
(2)
Install four screws (3) to secure switch (5).
(3)
Install knob (1) and secure with screw (2).
(4)
Connect wiring to switch (5) per tagged identification.
(5)
Install access door per para 3-10d.
Figure 3-9. OFF/VENT/HEAT Switch (S1), Installation.
3-33