4-27. PRELIMINARY SERVICING AND ADJUSTMENT. (CONT)
Direct second person to set following controls on pulse generator to positions indicated.
On transmitter control panel, set all four switches to OFF.
On transmitter control-indicator, press CONTROL LOCAL/REMOTE switch to indicate LOCAL.
On local control monitor, place controls below to positions indicated.
On receiver-transmitter main power panel, set all four switches to OFF.
On receiver, adjust R11 LINEAR GAIN control fully clockwise and R8 LO TUNE ADJ control to midrange
Carefully disconnect waveguides (3 and 5) from their respective filters (2 and 4) by loosening two waveguide
Remove filter FL5 (2) by removing four screws, flat washers, and lockwashers from FL5 flange (6), and two
screws, flat washers, and lockwashers from clamp (7). Retain hardware for reinstallation.
Remove filter FL6 (4) by removing four screws, flat washers, and lockwashers from FL6 flange (8), and four
screws, flat washers, and lockwashers securing two clamps (9). Retain hard-ware for reinstallation.
Install appropriate replacement filters on waveguides. Installation is reverse of removal procedure in steps 10