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Repairing a Rather Unimpressive IBM Wheelwriter 6746, Part 1
First part of a IBM Wheelwriter 6746 mini-series. Taking a deep-ish dive... This one mainly covers the carriage and hammer solenoid, and a keyboard layout mod.
0:00 Intro
2:00 Testing
3:00 Paper Insertion Procedure Oops
3:50 Soundproofing Cover Problem
5:30 Typing Test
6:30 No Hammer
8:40 Ribbon Cartridge and Daisy Wheel
10:12 How to Get to the Carriage?
12:13 Disassembly
16:03 Taking Out the Carriage
23:15 Solenoid Disassembly
26:23 Missing Part
28:00 Cleaning the Solenoid
31:15 Out-Of-Bench Testing
34:50 Solenoid and Hammer Operation
37:00 Reassembling the Carriage
45:50 Installing the Carriage
49:10 The Belt Rebelled
51:00 Testing
52:30 Nice Try, No Dice...
53:50 Wheelwreiter Electronics
55:20 The H.A.R.C.
58:30 Ribbon Continuity Test
59:17 More Electronics
1:01:20 Keyboard Layouts Explanation
1:03:15 Layout Mod
1:09:07 Afterword
Part 2: https://youtu.be/gCRCN1h9jIo
Part 3: https://youtu.be/SfQ6f2nrZ1o
Support me on my Patreon page at https://www.patreon.com/KeritechElectronics or via PayPal https://paypal.me/keritech
Instagram - https://www.instagram.com/KeriSzafir
Hackaday - https://hackaday.io/keritech
#KeritechElectronics #electronicscreators
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First part of a IBM Wheelwriter 6746 mini-series. Taking a deep-ish dive... This one mainly covers the carriage and hammer solenoid, and a keyboard layout mod.
0:00 Intro
2:00 Testing
3:00 Paper Insertion Procedure Oops
3:50 Soundproofing Cover Problem
5:30 Typing Test
6:30 No Hammer
8:40 Ribbon Cartridge and Daisy Wheel
10:12 How to Get to the Carriage?
12:13 Disassembly
16:03 Taking Out the Carriage
23:15 Solenoid Disassembly
26:23 Missing Part
28:00 Cleaning the Solenoid
31:15 Out-Of-Bench Testing
34:50 Solenoid and Hammer Operation
37:00 Reassembling the Carriage
45:50 Installing the Carriage
49:10 The Belt Rebelled
51:00 Testing
52:30 Nice Try, No Dice...
53:50 Wheelwreiter Electronics
55:20 The H.A.R.C.
58:30 Ribbon Continuity Test
59:17 More Electronics
1:01:20 Keyboard Layouts Explanation
1:03:15 Layout Mod
1:09:07 Afterword
Part 2: https://youtu.be/gCRCN1h9jIo
Part 3: https://youtu.be/SfQ6f2nrZ1o
Support me on my Patreon page at https://www.patreon.com/KeritechElectronics or via PayPal https://paypal.me/keritech
Instagram - https://www.instagram.com/KeriSzafir
Hackaday - https://hackaday.io/keritech
#KeritechElectronics #electronicscreators