Barton Meter Assemblying

1.Mount chart plate to position and clipped.
2.Check pen if it is ok,where otherwise stated,replace pen.
3.Replace chart and position it to zero point(psi),clipped it,
    and ensure that its ends conform to the groove.
4.Replace pen position by displacing it downward of the linkage.
5.Lift up the cover linkage to close and lock knob by turning it clockwise.
6.The instrument line linkage swage lock size is 3/8''.
7.Turn handle anticlockwise to open.
8. Lift the upper linkage to remove pen from  chart.
9.At the centre of the chart,push chart clip and lift it up to remove the chart.