Keysight Technologies 16453A, Specification And Service Manual

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5. Remove plate \6."
6. Remove button \17" and spring \16."
7. Detach the lower part from the upper part by removing the two \33" screws from the
bottom of the assembly .
Lower P art Disassembly
8. Remove plate \31."
9. Remove plate \29" and spring \30" by removing the two \27" screws from plate \31."
10. Remove ange \22" by removing the three \21" screws from base \32."
11. Unscrew electrode \25" using pliers because contact \23" and electrode \25" are locked
with thread sealant.
Note
Contact \23" and electrode \25" are not reusable after disassembly .
Upper P art Disassembly
12. Disassemble spring \18", insulator \19", and electrode \20" by loosing the four \2" hex
screws .
13. Unscrew \3" using a slot screwdriver and remove latch plate \4" and spring \5."
14. Remove dial \7."
15. Detach knob shaft \11" by removing screw \8."
16. Detach sleeve \12" by loosing hex screw \13."
Replacement Procedure
Reverse the \Removal Procedure ."
Note
Contact \23" and electrode \25" should be locked with a drop of thread sealant
\34" when assembling them.
Service 3-5