4-27. PRELIMINARY SERVICING AND ADJUSTMENT. (CONT)
INITIAL TURN-ON PROCEDURE (CONT)
The remaining Preliminary Services and Adjustments should be performed by organizational
CHECKING THE 10- TO 35-DEGREE ACTUATOR
The 10- to 35-degree actuator is checked after initial turn-on procedure has been accomplished. The check is performed
using clinometer supplied as part of radar set. If unfamiliar with use of clinometer, see Ground Angle Determination
Using Clinometer (para 4-25). Perform 10- to 35-degree actuator check as indicated below.
See paragraphs 2-1 and 4-34 for location and description of operator and organizational
On LOCAL CONTROL-MONITOR place LOCAL/REMOTE switch (1) to RT position and SCAN MODE switch (2)
to NORM position.
Using ANT SERVO control (3), servo elevation antenna until zero degrees is indicated on elevation antenna scan
Check bubble level on top of elevation antenna drive to ensure radar set group is level. If necessary, level radar
set group. See Radar Set Assembly and Installation (para 4-7).
Attach clinometer on elevation antenna clinometer mount. See Clinometer Installation (para 4-21).