Assembly - Keison PFP7 Operating And Service Manual

Flame photometer
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2.3

Assembly

Place the instrument on a bench and proceed as follows (see Figures 2.3.1 and 2.3.2 below).
1. Take the mixing chamber assembly and ensure that the fluted burner (1) is in place
(remove the retaining tape); offer up to the chimney. Look down the chimney and
ensure that the burner locates centrally in the inner chimney. Screw the locking ring (2)
onto the threaded boss provided and tighten until finger tight, ensuring that the mixing
chamber is at right angles to the side of the instrument.
2. Fit the nebuliser (3) into the end cap and screw on the tube (4) provided. Ensure that
the sealing olive is fitted correctly between the nebuliser and the screw on connector.
3. If natural gas is to be used, remove the restrictor (5) fitted into the end of the fuel inlet
(6) on the mixing chamber. The restrictor should remain in place if butane, propane or
L.P.G. is to be used as fuel. Keep the restrictor screw in case of any future change in
gas supply. Push the fuel tubing onto the fuel inlet connector (7). This tube does not
need securing.
3
3
(4)
(4)
Figure 2.3.1: Assembly of the mixing chamber, burner and nebuliser.
4. Take the drain trap clip (8) and, with the screw provided, fix to the hole situated at the
chimney end of the rear panel. Fix a length of silicon rubber tubing (9) onto the side port
on the drain trap such that it is long enough to reach either the sink or the waste
receptacle to be used. Fit the drain trap into the clip on the rear panel and run the short
piece of tubing (10) from the bottom of the drain trap to the drain trap outlet (11) on the
bottom of the mixing chamber. This tube can be pushed on and does not need
securing.
5
5
6
6
(7)
(7)
8
1
1
2
2
PFP7/REV C/01-08

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