(4)  S 214-026Make sure the waveguide switch is correctly attached to the R/T mount.
 (5)  S 434-027Remove the covers from the air ducts on the R/T mount.
 (6)  S 434-028Remove the cover from the waveguide switch.
 (7)  S 434-029Remove the cover from the electrical connector sections and waveguide section on connector DB138.
 (8)  S 434-030Remove the cover from the electrical connector sections and waveguide section on connector DB140.
 (9)  S 434-031Remove the dust cap from waveguide section 5.
 S 424-032

 (10) Install the R/T mount:
 NOTE: Replace the waveguide gaskets when they are defective.
____
 (a)  
Install the eight screws, washers and nuts which attach the R/T mount to the E30-1 upper shelf.

 (b)  
Install connector DB140 into the right part of the R/T mount.

 (c)  
Install two top and two bottom screws, nuts and washers to attach connector DB140 to the R/T mount.

 (d)  
Install connector DB138 into the left part of the R/T mount.

 (e)  
Install two top and two bottom screws, nuts and washers to attach connector DB138 to the R/T mount.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 (f)  Install all ground wires into ground terminal GD140 on the R/T mount using an insertion/extraction tool. (SWPM 20-20-11)
 NOTE:____ Use the insertion/extraction tool for a Burndy terminal block with part number YHLZG8-1.
 (g)  Install all ground wires into ground terminal GD140 on the R/T mount using an insertion/extraction tool. (SWPM 20-20-11)
 NOTE:____ Use the insertion/extraction tool for a Burndy terminal block with part number YHLZG8-1.
 (h) (i)  Install the left feeder waveguide between the waveguide switch and the R/T mount waveguide.Install the four screws and washers and a gasket to attach the left feeder waveguide to the R/T mount.

 CAUTION: BE CAREFUL TO PREVENT DAMAGE TO THE WAVEGUIDE SWITCH
_______ WHEN THE SCREWS ARE TIGHTENED. IF YOU TIGHTEN THE SCREWS TOO MUCH, DAMAGE TO THE WAVEGUIDE SWITCH CAN OCCUR.
 (j)  
Install the four screws and washers and a gasket to attach the left feeder waveguide to the waveguide switch.

 (k)  
Install the right feeder waveguide between the waveguide switch and the R/T mount waveguide.

 (l)  
Install the four screws and washers and a gasket to attach the right feeder waveguide to the R/T mount.

 CAUTION: BE CAREFUL TO PREVENT DAMAGE TO THE WAVEGUIDE SWITCH
_______ WHEN THE SCREWS ARE TIGHTENED. IF YOU TIGHTEN THE SCREWS TOO MUCH, DAMAGE TO THE WAVEGUIDE SWITCH CAN OCCUR.
 (m)  Install the four screws and washers and a gasket to attach the right feeder waveguide to the waveguide switch.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 (n)  
Make sure the R/T mount wire bundle is not damaged and is correctly attached to the R/T mount and E30 upper shelf.

 OCCUR.

 (o)  
Carefully install the E30-1 upper shelf into the E30 rack and align the mounting holes.

 (p)  
Install the six screws, washers and locknuts to connect the E30-1 upper shelf to the E30 rack.

 CAUTION:_______ BE CAREFUL TO PREVENT ACCIDENTAL DAMAGE TO THE WIRE
 BUNDLES ON THE E30-1 UPPER SHELF.  WHEN YOU INSTALL THE
 E30-1 UPPER SHELF IN THE E30 RACK, DAMAGE TO THE WIRES CAN

 CAUTION: BE CAREFUL TO PREVENT DAMAGE TO THE WAVEGUIDE SWITCH
_______ WHEN THE SCREWS ARE TIGHTENED. IF YOU TIGHTEN THE SCREWS TOO MUCH, DAMAGE TO THE WAVEGUIDE SWITCH CAN OCCUR.
 (q)  
Install the four screws, washers and a gasket that attach the waveguide section 5 to the waveguide switch.

 (r)  
　
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