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PenBits Instructions: Revision History
Version Date Changes
V1.0 29 May 2012 Rough draft for RailEx; Deltic and Bachmann 47
V1.1 18 Jun 2012 Redraft and expansion of Deltic and Bachmann 47; many new diagrams and photos.
V1.2 12 Jul 2012 New docs for Heljan Kestrel.
Minor updates and clarifications to Deltic and Bachmann 47.
V1.3 29 Jul 2012 Photos and redraft for Pickups and Power section.
V1.4 16 Sep 2012 Update to Bearing Carrier instructions.
Revisions to advice on fit of bolster to subframe.
Correction re. number of spacing washers for Ultrascale wheelsets.
Pickups: advice on gluing PCB to drive unit. Revise wire pickup preload.
V1.5 12 Dec 2012 Update to Bearing Carrier instructions.
Update to General Notes.
Minor reformat to Deltic and Class 47 Chassis notes.
Add Class 24/25 Instructions.
V1.6 16 Apr 2013 Add Class 37/55 Instructions.
All Bearing Carriers: emphasise fold 3 is jig fold.
4-wheel Bearing Carriers: change photo of bearing test fit to show bearing through from correct side.
Class 25, Bogie Assembly: note on clearing carrier for primary spring.
Bachmann 47, DP1, Preparing the Locomotive: revise pivot tube fit procedure.
V1.7 30 Oct 2013 Class 25, Bogie Drive: Revise notes on fitting worm bearing retainer.
EE 6-wheel Bogie; Brake Detail: (Classes 37, 55) A few changes to reflect experience on further builds.
Bearing Carriers (6-wheel): A better way of fitting the wire spring seats to the outer carriers.
Bachmann Class 37/55: Bogie Bolster: A couple of additional notes from production build.
Class 47 Brake Detail: Complete redraft with more detail and many more illustrations.
Class 47: Cosmetic Sideframes: Give a figure for overall width and additional fitting notes.
Add pdfs of inserts for brake detail packs, Class 47 and EE Bogie.
V1.8 10 Apr 2014 Bearing Carriers (6-wheel): and Bearing Carriers (4-wheel): Revisions to assembly method to help achieve correct bearing alignment, and add method for correction of alignment of individual bearings after assembly.
V1.9 3 Aug 2014 General instructions: saving paper when printing instructions.
Hymek instructions: add instructions for Heljan Class 35 kit.
V1.10 16 Jan 2015 Introduce workshop check lists available from online index page.
26/27/33: add instructions for Heljan Class 26/27/33 kits.
V1.11 16 Apr 2015 Heljan Class 47: add instructions.
Heljan Lion: add instructions.
Remove washer thickness tables from wheelset instructions.
Class 26/27/33 Drive: remove duplicate photo and note photos of Hymek bogie.
General instructions: Updated soldering technique.
General instructions: Mention Google Chrome 'save as pdf' feature.
Alter font definitions to better suit pdfs.
V1.12 12 May 2015 Modify diagrams, where necessary, to suit monochrome printing.
Introduce pdf files of full instructions for each kit, available from online index page.
V1.13 23 Jan 2016 Falcon: add instructions for Heljan Falcon kit.
LMS 10000/1: add instructions for Bachmann LMS 10000/1 kit.
V1.13.1 27 Jan 2016 LMS 10000/1 Cosmetic Bogie Frame: revise method for removing secondary spring hanger detail.
V1.13.2 3 Feb 2016 LMS 10000/1 Wheelsets: Limit centre axle sideplay? Check fit over subframe stretchers.
LMS 10000/1 Cosmetic Bogie Frame: Ease fit if tight over the subframe length. Remove centre linkage from brake detail?
Bachmann LMS 10000/1: Final Assembly: New photos of the actual bogies. Mention the Pivot Washers (13).
V1.14 3 Feb 2016 Bearing Carriers (6-wheel): and Bearing Carriers (4-wheel): Simplify the procedure for jigging the bearings and carriers together.
V1.15 24 Mar 2016 LMS 10000/1: Holes: Only the circular part of slot in seat-ear etches needs to pass 0.5mm.
LMS 10000/1: Modifying the Bogie Drive: Unclip outer end of plastic frame first. Couple of wording changes around the gear cage fitting.
LMS 10000/1: Springs, Bogie Assembly and Rolling Test: Smooth edges of bolster shoulders if they catch on the edges of the bogie aperture. Work pivot screw to make it easier to fit.
LMS 10000/1: Cosmetic Bogie Frames: Packing under ends of frame to adjust height if required. Check brake shoes not touching wheels.
LMS 10000/1: Final Assembly: Care required fitting stub-axle wheelsets. Glue yoke in place? Support subframe, and minimum downward force, when fitting pivot screw.
V1.16 28 Dec 2016 Bachmann Class 25: Preparing the Locomotive: Trim M2 pivot screws to length.
Bachmann Class 40: New instructions.
Bachmann Peak: New instructions.
V1.17 6 Jan 2017 Heljan Kestrel now covered by kit PK012. Update PK012 Titles and Section Headers accordingly.
V1.18 5 May 2017 Fitting Wheelsets for 6-wheel Bachmann bogies: More photos/diagrams and some additions to the procedure: to check freedom of movement of Bearing Carriers and Drive Unit in the Subframe. Affects Bachmann Class 37 / 55, 47 and Deltic Prototype instructions.
Bachmann Class 66: New instructions.

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