D51 200 Steam Locomotive: STEP by STEP Stage 41 ™ the Backhead 1
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D51 200 Steam Locomotive: STEP BY STEP Stage 41 ™ The backhead 1 The backhead Your parts 84 Left Right 1 Fitting the fusible plugs Insert a fusible plug into the circled hole on the backhead. Backhead Required tools Fusible plugs × 4 Gauges (side) Instant adhesive Left water gauge Right water gauge Holding the Gauges (top) plug in place, Valve box turn the backhead Regulator lever over and Screws (2 × 4mm) × 5 apply instant Repeat this process to glue the adhesive to remaining three fusible plugs in the back of place at the circled points. the plug. D51 200 Steam Locomotive: STEP BY STEP ™ 2 Fitting the parts 1 3 Fitting the parts 2 Apply instant Apply instant Apply instant adhesive to adhesive to the adhesive to the hole in area marked in the back of the centre blue on the left. the valve box, along of the Apply instant adhesive to the blue line highlighted the highlighted areas of both shown here. area and water gauges. glue the top gauges into place there. Left Right Glue the side gauges into the recess highlighted in the previous Insert the photo. Then projection on locate the water the back of the gauge positions, valve box into the outlined here Glue the left and right water highlighted hole in red. gauges in place, as shown. on the backhead. 85 4 Fitting the regulator lever Insert the Assembled parts rectangular projection at the bottom of the regulator lever (circled) into the rectangular hole in the squared recess at the side of the backhead. Glue the regulator lever into place with instant adhesive on the inside of the backhead. D51 200 Steam Locomotive: STEP BY STEP Stage 42 ™ The backhead 2 The backhead Your parts 86 1 Fitting the valves Apply instant adhesive to the second hole from the left of the six holes along the valve box. Valve (large) Glue the large valve into Required tools the hole. Valves (small) × 5 Main valve Phillips screwdriver Water injector valve Instant adhesive Water injector Glue the five small Main valve Air cylinder valves into the Small valves Firebox door handle remaining holes. Apply instant Glue the main valve into the Firebox opening adhesive to the remaining hole in the valve box. Left firebox door remaining hole in the valve box Right firebox door (circled). Screws (2 × 4mm) × 5 Large valve D51 200 Steam Locomotive: STEP BY STEP ™ 2 Fitting the water injector 3 Fitting the firebox doors Place the firebox opening over the hole in the backhead and screw into place with Place the air cylinder over two 2 x 4mm the two circled projections of the doors. Glue the injector onto the right screws. side of the backhead, then apply some instant adhesive to the hole on the front (circled). Apply instant adhesive to the Place the right back of the water injector. firebox door over Hold the doors the opening and and cylinder position the brass in place and projection into tighten a Glue the water injector valve the circled hole. screw into into the hole on the front of Then position the each hole in the injector, as shown, with left door in the the back of the handle pointing down. the backhead same way. 87 Fitting the door handle and backhead Place the 4 backhead Assembled parts into the Apply instant back of the adhesive to the smokebox, tip of the circled aligning the projection holes of both and place the (circled). firebox door handle onto it. Tighten a 2 x 4mm screw into each of Make sure the the four holes firebox doors are (arrows) around closed and the the smokebox. lever is positioned as shown. D51 200 Steam Locomotive: STEP BY STEP Stage 43 ™ The front left running board The front left running board Your parts 88 1 Assembling the running board 1 Stay B (bottom) Running board (top) Front left running board Required tools Tighten a 2 x 2mm Side plate screw into each of Stay A Phillips screwdriver the three holes. Stay B Pipe cover (small) Side plate Pipe cover (large) (middle) Screws (2 × 2mm) × 7 Align the highlighted holes of the front left Screws (2 × 3mm) × 12 running board, the side plate and stay B, in that order. Make sure the three adjacent holes of stay B are still visible. D51 200 Steam Locomotive: STEP BY STEP ™ 2 Assembling the running board 2 3 Fitting the pipe covers Align the hole of the small pipe cover with the circled Tighten a hole on the 2 x 2mm running board. screw into the three circled Align the holes of the large holes. pipe cover with the two circled holes on the running board. Place stay A behind the running board, aligning the highlighted holes of both. Tighten a 2 x 3mm Screw 2 x 3mm screw into the hole screws into Check your running board from underneath, the two holes against the one shown here securing the small in the running to confirm that the stays are in pipe cover to the board from the correct positions. running board. underneath. 89 4 Fitting the running board Assembled parts Align the holes Tighten a 2 x 3mm of the stays with screw into each of the the two pairs holes in the two stays highlighted, at the (circled). front left of the boiler. Position Loosen the screws the cut-out in the holding the pipe covers in running board place, adjust the position over the sand pipe of the covers so they fit (circled). closely to the boiler, then re-tighten the screws. D51 200 Steam Locomotive: STEP BY STEP Stage 44 ™ The left running board The left running board Your parts 90 1 Assembling the running board 1 Stay B Stay A Align the highlighted holes (bottom) Running board of left running board A, A (top) side plate A and stay A, in that order. Stay A Side plate A Required tools Stay B Side plate B Place stay B behind the Phillips screwdriver running board, aligning Stay C Side plate C the highlighted holes Stay D Screws (2 × 3mm) of both. Left running × 9 Side plate A (middle) Tighten a board A Screws (2 × 2mm) 2 x 2mm Left running × 20 screw into the three board B circled holes. Left running Tighten a 2 x board C 2mm screw into each of the three holes. D51 200 Steam Locomotive: STEP BY STEP ™ 2 Assembling the running board 2 3 Assembling the running board 3 Running board B Place side plate B under running Running board C board B. Tighten a 2 x 2mm screw into the three circled holes. Side plate C Tighten a 2 x 2mm screw into the Side plate B Hold running board C and side plate C circled holes in the board. together and align the holes at the end with those of stay C. Running board B Stay C Stay D Place stay C at the end of plate B, aligning the holes of both. Tighten a Side plate B 2 x 2mm 91 screw into the two Tighten a 2 x 2mm screw into Holding the plate and board together, the two circled holes, then place circled The assembled running board should now align the three holes at the end with the stay D under running board C, holes. appear as shown. holes in stay B. aligning the holes of both. 4 Fitting the running board Assembled parts Place the running board up against the left side of the Continue along boiler, aligning the the running highlighted holes board, tightening and placing the screws into the cut-outs (circled) remaining stays. over the pipes. Tighten three 2 x 2mm screws into the three circled holes, connecting Tighten two 2 x the running board 3mm screws into to the last stay of the the two holes of previous board. the first stay..