Johnson Viking Ranger,Transmitter, #13 Rebuild Complete

Description

EF Johnson
Viking Ranger , #13
SN: 62463
This Ranger I is wiring version I ( This Ranger will be converted to wiring version II (with keyer/bias sub panel and PTT) as part of the rebuild process.
For Auction:
Johnson Viking Ranger SN: 62463
Rebuild Complete
* Overhaul/rebuild started
* Unit disassembled to chassis
* VFO Module overhaul complete, module tested.
* Front Panel Repaint ( and eventually re-decal) complete and cured.
* These Rangers are pretty gnarly to start with, so we clean, sand the chassis, flush all the shmoo out of the works before beginning our rebuild.
* If you want to put your name on the list for this unit, a small deposit (usd) is required. Once a deposit is received, we configure the item description so there are no other bidders.
* Chassis cleaned, sanded, de-greased.
* Re-wound L6A.
* Re-work SW-3A interface connections.
* Replaced all tube sockets: Mil grade ceramic in RF string, Amphenol phenolic & other phenolic in remainder.
* Installed cork cushions beneath L6 and L 11A
* New (refurbished) terminal strips installed in all positions.
* Install new rubber grommets all required locations.
* Power Transformer and HV choke mounted
* AC Input filter components installed
* Under-chassis re-wire in process: we generally start with the speech amp/modulator and work across the chassis to the "rats -nest".
* Modulation and audio input transformer installed
* Rebuild ( with new ceramic wafer) VFO/Crystal select switch.
* Re-work "rats nest" & mode switch wiring. Corrected mis-wirings and defective solder joints.
* Installed and wired (correctly for Mode 2 wiring) VFO / Crystal selector switch
* Installed and wired VFO interface terminal strip
* Installed and partially wired the circuit interface socket.
* Completed wiring of microphone amplifier section
* Tested Xtal Osc circuit, tested metering
* Installed and tested PTT module
* Installed and tested Keyer & Adjustable Bias circuit
* Replaced meter switch with new ceramic switch.
* Metering tested: OSC, BUF, GRID
* Installed PA Plate circuit components
* Installed Mic and Key connectors
* Installed PA Plate Tuning capacitor attach hardware
* Rebuilt and installed PA coarse loading switch
* Installed PA Fine loading variable capacitor
* Installed Mic gain control
* Installed RF output connector and RF output wiring.
* 6/2/22; Modulator section functional test, Mod Idle IP set, Feedback Circuit tested
* RF Power test on 40 meters with crystal input
* VFO module install started
* PA & MOD metering checked
* HV circuit tested under load
* Clamp circuit tested
* 6/3/22: Installed and tested VFO module.
* Installed VFO module shroud
* Tested VFO input and "spot" function.
* Panel decal installation complete. Decals "cure" for 24 hours then we overcoat panel with a semi-gloss clear enamel (three coats)
* Panel installed. Panel lamps installed.
* Knobs cleaned and clear-coated and installed
* Panel meter and meter input components installed.
* Rebuild complete
* Photos show rebuild process.
*Alll sales final, no warranties or guarantees expressed or implied. No returns. Technical assistance, if needed after sale, via Email.
* Documentation included with sale: Overall schematic showing modifications, modification modules detailed schematics, sub-panel ajustments ( keyer, mod idle IP adjust) procedures.
***** This unit is equipped with PTT ( Push to talk), therefore tune up and transmit will not work unless the PTT  circuit is energized. A "test" switch is provided on the PTT module to energize the PTT circuit when the unit is out of the case and a microphone with PTT switch may be connected to the MIC connector. ****<~~~~~~
* Refer to included schematic for microphone connector pin-out.
* This unit is shipped with several pieces removed and packaged separately in the shipping carton:
1) AC Line Fuse Cap
1) HV Rectifier Tube
2) Modulator tubes
1) Rear panel jumper plug
1) Main VFO tuning knob.
3) Long case rods.
* If you have never operated a vacuum tube transmitter from the 60's and 70's, we highly recommend acquiring a copy of the Ranger Owners manual for study and reference.
Shipping Via Fed Ex, insured for sale value. Double Boxing standard, Insured for sales price. Gross shipping weight approximately  100 #
* Unit SN: 62463
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