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