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Nathan's 37-690X
#40

Yes, I'm still working on this beast. I've been regluing things on the cabinet and derusting yet more parts.

Today I fixed a few remaining issues and got to the alignment.

It took me a while to get the tuning mechanism back in the right order - and had to review the Philco Automatic Tuning service bulletin as well as the (inadequate) photos I had taken earlier when I disassembled everything. For the record here are the steps:

Step 0
[Image: https://farm2.staticflickr.com/1941/3020...fd04_z.jpg]

Step 1 - Control Screw Housing
[Image: https://farm2.staticflickr.com/1903/4442...106c_z.jpg]

Step 2 - Retaining Spring
[Image: https://farm2.staticflickr.com/1921/3127...4049_z.jpg]

Step 3 - Reflector Ring
[Image: https://farm2.staticflickr.com/1934/4509...1ccc_z.jpg]

Step 4 - Mask Assembly
[Image: https://farm2.staticflickr.com/1940/3020...ac2c_z.jpg] [Image: https://farm2.staticflickr.com/1927/4423...4296_z.jpg] [Image: https://farm2.staticflickr.com/1979/4514...5d43_z.jpg]

Step 5 - Spacing Ring
[Image: https://farm2.staticflickr.com/1909/4442...d767_z.jpg] [Image: https://farm2.staticflickr.com/1923/4442...bcf0_z.jpg]
[Image: https://farm2.staticflickr.com/1907/4509...d2dc_z.jpg]

Step 6 - Dial gaskets and Dial
[Image: https://farm2.staticflickr.com/1912/3020...4c7f_z.jpg]
[Image: https://farm2.staticflickr.com/1943/4514...4fff_z.jpg]
[Image: https://farm2.staticflickr.com/1923/4514...9c6b_z.jpg]

Step 7 - Station Tab Escutcheon Assembly
[Image: https://farm2.staticflickr.com/1902/4333...6f5b_z.jpg] [Image: https://farm2.staticflickr.com/1933/4509...4085_z.jpg]
[Image: https://farm2.staticflickr.com/1964/4333...1745_z.jpg]

Step 8 - Dial Screen Holder Assembly
[Image: https://farm2.staticflickr.com/1938/4442...2170_z.jpg]
[Image: https://farm2.staticflickr.com/1946/3127...606a_z.jpg]

Step 9 - Switch Contact (movable, audio shorting)
[Image: https://farm2.staticflickr.com/1920/4514...4cda_z.jpg]

Step 10 - Washer, fibre (audio switch, movable section)
IMPORTANT: goes on *after* the audio shorting switch.
[Image: https://farm2.staticflickr.com/1951/3127...61a9_z.jpg]

Step 11 - Handle
[Image: https://farm2.staticflickr.com/1964/4514...b891_z.jpg] [Image: https://farm2.staticflickr.com/1915/4423...9d1b_z.jpg]

Step 12 - Retaining Spring
[Image: https://farm2.staticflickr.com/1942/4423...b9a2_z.jpg]

Step 13 - Handle Cover
[Image: https://farm2.staticflickr.com/1909/4514...5ac0_z.jpg]
[Image: https://farm2.staticflickr.com/1912/3020...a7a1_z.jpg]

Done

[Image: https://farm2.staticflickr.com/1903/3020...37ed_z.jpg]


Messages In This Thread
Nathan's 37-690X - by Nathan Slingerland - 08-18-2018, 01:14 PM
RE: Nathan's 37-690 - by Nathan Slingerland - 08-18-2018, 01:30 PM
RE: Nathan's 37-690 - by Nathan Slingerland - 08-18-2018, 01:40 PM
RE: Nathan's 37-690 - by Kenradio - 08-18-2018, 03:02 PM
RE: Nathan's 37-690 - by Nathan Slingerland - 08-18-2018, 07:54 PM
RE: Nathan's 37-690 - by Nathan Slingerland - 08-18-2018, 08:03 PM
RE: Nathan's 37-690 - by morzh - 08-18-2018, 09:00 PM
RE: Nathan's 37-690 - by Nathan Slingerland - 08-19-2018, 12:02 AM
RE: Nathan's 37-690 - by Arran - 08-19-2018, 12:52 AM
RE: Nathan's 37-690X - by klondike98 - 08-21-2018, 10:39 AM
RE: Nathan's 37-690X - by Nathan Slingerland - 08-21-2018, 09:09 PM
RE: Nathan's 37-690X - by Nathan Slingerland - 08-21-2018, 09:52 PM
RE: Nathan's 37-690X - by Nathan Slingerland - 08-22-2018, 07:09 AM
RE: Nathan's 37-690X - by Nathan Slingerland - 08-22-2018, 08:17 PM
RE: Nathan's 37-690X - by Ron Ramirez - 08-22-2018, 08:31 PM
RE: Nathan's 37-690X - by Nathan Slingerland - 08-22-2018, 10:30 PM
RE: Nathan's 37-690X - by Radioroslyn - 08-22-2018, 10:31 PM
RE: Nathan's 37-690X - by Nathan Slingerland - 08-22-2018, 10:33 PM
RE: Nathan's 37-690X - by Nathan Slingerland - 08-22-2018, 11:12 PM
RE: Nathan's 37-690X - by Nathan Slingerland - 08-22-2018, 11:30 PM
RE: Nathan's 37-690X - by morzh - 08-23-2018, 07:08 AM
RE: Nathan's 37-690X - by Nathan Slingerland - 08-25-2018, 10:25 PM
RE: Nathan's 37-690X - by Arran - 08-25-2018, 11:33 PM
RE: Nathan's 37-690X - by Ron Ramirez - 08-26-2018, 06:59 AM
RE: Nathan's 37-690X - by Nathan Slingerland - 09-08-2018, 08:10 AM
RE: Nathan's 37-690X - by klondike98 - 09-08-2018, 10:00 AM
RE: Nathan's 37-690X - by GarySP - 09-08-2018, 10:40 AM
RE: Nathan's 37-690X - by Nathan Slingerland - 09-09-2018, 10:42 AM
RE: Nathan's 37-690X - by Nathan Slingerland - 09-09-2018, 10:56 AM
RE: Nathan's 37-690X - by Nathan Slingerland - 09-09-2018, 03:43 PM
RE: Nathan's 37-690X - by Nathan Slingerland - 09-12-2018, 08:52 PM
RE: Nathan's 37-690X - by morzh - 09-12-2018, 09:35 PM
RE: Nathan's 37-690X - by thirtiesradio - 09-13-2018, 12:32 AM
RE: Nathan's 37-690X - by Nathan Slingerland - 09-13-2018, 09:01 PM
RE: Nathan's 37-690X - by morzh - 09-13-2018, 09:37 PM
RE: Nathan's 37-690X - by Nathan Slingerland - 09-13-2018, 09:53 PM
RE: Nathan's 37-690X - by Radioroslyn - 09-13-2018, 10:16 PM
RE: Nathan's 37-690X - by Nathan Slingerland - 09-13-2018, 10:33 PM
RE: Nathan's 37-690X - by Nathan Slingerland - 09-23-2018, 08:20 PM
RE: Nathan's 37-690X - by Nathan Slingerland - 10-06-2018, 08:28 PM
RE: Nathan's 37-690X - by klondike98 - 10-07-2018, 09:02 AM
RE: Nathan's 37-690X - by morzh - 10-07-2018, 12:37 PM



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