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Reply to "Great Northern railway"

UP 4-12-2 disassembly and painting.

Imported by Sunset in 1978.

I've got 5 of these engines, 2 with working Greasley valves for the 3rd cylinder but I got this version as it had a grey boiler.

Bench test to insure no 'binds'.

UP 4-12-2 9000 sunset 12

Added a deck plate.

Those 2 little hinges had to be inserted into the back of the engine after drilling  2 holes.

UP 4-12-2 9000 sunset 13

Also, I had to drill out the deck plate hinges as the brass casting wasn't 'up to par'.

UP 4-12-2 9000 sunset 14

I used a smaller diameter brass rod to secure the hinges.

UP 4-12-2 9000 sunset 15

The hinges were too small to resistance solder as they might melt so I used JB weld.

UP 4-12-2 9000 sunset 16

Marker lights drilled with a #66 drill bit for the 0402 LED lights.

UP 4-12-2 9000 sunset 17

Back head drilled to route the cab light.

UP 4-12-2 9000 sunset 18

2 holes on each side under the running boards for the 'running board' lights.

UP 4-12-2 9000 sunset 19

Had to re-solder the tender's hand rail.

MMM; now I wish I would have drilled a hole in the front of the tender instead of soldering it the way that the factory 'did'!

UP 4-12-2 9000 sunset 20

Tender headlight drilled.

UP 4-12-2 9000 sunset 21

Previous owner drilled some huge holes for a speaker.

UP 4-12-2 9000 sunset 22

Some holes to route the decoder wires.

UP 4-12-2 9000 sunset 23

Deck plate attached to the cab.

UP 4-12-2 9000 sunset 24

Parts washed in dish washing soap and water with a tooth brush.

Parts that will be 'cooked'.

UP 4-12-2 9000 sunset 25

Parts to be air dried.

UP 4-12-2 9000 sunset 26

Parts not painted.

All parts, side rods, side rod screws, etc. orientated in same order as removed from engine and tender.

UP 4-12-2 9000 sunset 27

All electrical parts masked.

UP 4-12-2 9000 sunset 28



UP 4-12-2 9000 sunset 29UP 4-12-2 9000 sunset 30UP 4-12-2 9000 sunset 31

1st coat of Scalecoat #10 'shot' and ready for 2 hours at 200 degrees.

UP 4-12-2 9000 sunset 28A

What I'm hoping it will look like!

UP 4-12-2 painted 01

Video of the working Greasley valve including the 3rd chuff from the 3rd cylinder:

https://www.youtube.com/watch?v=J3mFcRehnTk

Attachments

Images (22)
  • UP 4-12-2 9000 sunset 12
  • UP 4-12-2 9000 sunset 13
  • UP 4-12-2 9000 sunset 14
  • UP 4-12-2 9000 sunset 15
  • UP 4-12-2 9000 sunset 16
  • UP 4-12-2 9000 sunset 17
  • UP 4-12-2 9000 sunset 18
  • UP 4-12-2 9000 sunset 19
  • UP 4-12-2 9000 sunset 20
  • UP 4-12-2 9000 sunset 21
  • UP 4-12-2 9000 sunset 22
  • UP 4-12-2 9000 sunset 23
  • UP 4-12-2 9000 sunset 24
  • UP 4-12-2 9000 sunset 25
  • UP 4-12-2 9000 sunset 26
  • UP 4-12-2 9000 sunset 27
  • UP 4-12-2 9000 sunset 28
  • UP 4-12-2 9000 sunset 28A
  • UP 4-12-2 9000 sunset 29
  • UP 4-12-2 9000 sunset 30
  • UP 4-12-2 9000 sunset 31
  • UP 4-12-2 painted 01
Last edited by samparfitt
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