Figure 5-24, Figure 5-27, Figure 5-26 – Atec Tektronix-1502 User Manual
Page 71
TM 9-4935-601-14-3&P
Figure 5-24. Application of sealant to RECORD
toggle-switch nut.
Figure 5-26. Application of sealant to the GAIN or
the 0-dB SET control bushing.
b. Procedure
1. Partially unscrew Hex spacer nut and form a bead of No. 3144 sealant around the bushing threads as
2. Re-tighten the Hex spacer nut.
3. Pack the Shaft/Threaded Bushing interface with G-661 lubricant as shown in Fig. 5-27.
4. Form a bead of No. 3144 sealant on the end of the Hex spacer nut as shown in Fig. 5-27.
5. Install the resistor in the Front Panel.
23. Partial installation procedure for Main Circuit Board Assembly
a. MAIN CIRCUIT BOARD ASSY. Not shown in MPL as separate item.
b. Procedure
1. Lubricate washer on BNC connector with G-661 lubricant.
2. Insert Main Circuit Board Assembly into instrument chassis engaging pushbutton shafts with their
respective switches. (Take care not to damage pushbutton seals.)
Figure 5-.25. Installation of rubber Cap-Seal on
RECORD togle-switch.
Figure 5-27. Application of sealant to the GAIN
or the 0-dB SET control bushing.
5-15