Varian 450-GC, User Manual

Page: 155 / 205

Detectors – Pulsed Flame Photometric Detector (PFPD) Detectors – Pulsed Flame Photometric Detector (PFPD)
Page: Page: 360 360 User User Manual Manual 450-GC 450-GC Varian, Varian, Inc. Inc.
Insert the Column Insert the Column
Refer for details Refer for details on page 344 on page 344 . .
These tools are needed to complete the following procedure These tools are needed to complete the following procedure
Refer to parts and supplies Refer to parts and supplies ,, on page 412 on page 412 ..
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Phillips-head Phillips-head screwdriver. screwdriver.
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5/16" 5/16" wrench. wrench.
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Capillary Capillary pick pick or or combustor combustor support support seal seal extraction extraction tool. tool.
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Ceramic Ceramic scoring scoring tool. tool.
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Magnifying Magnifying lens. lens.
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3 3 mm mm combustor combustor extraction extraction tool/Column tool/Column Depth Depth Gauge. Gauge.
To Insert the Column Visually To Insert the Column Visually
1. 1. Check tha Check that the c t the capillary co apillary column nu lumn nut and t and the ferrule the ferrule (reversed) a (reversed) are installed re installed
on the column as described in the manual. Check that approximately 20 cm on the column as described in the manual. Check that approximately 20 cm
of the detector end of the column is free so that it can be inserted into the
of the detector end of the column is free so that it can be inserted into the
detector. If you are
detector. If you are reinstalling a used column, be sure that the burnt end reinstalling a used column, be sure that the burnt end of of
the column is trimmed off, leaving a the column is trimmed off, leaving a clean, square end. clean, square end.
2. 2. Insert the co Insert the column into lumn into the detector the detector and pu and push the colu sh the column up u mn up until it is ntil it is
approximately 1 mm above the end of the combustor support. Tighten the approximately 1 mm above the end of the combustor support. Tighten the
column nut to secure column in place. Next, proceed
column nut to secure column in place. Next, proceed on page 361 on page 361 ..
To Insert the Column Using the Column Depth Gauge To Insert the Column Using the Column Depth Gauge
To insert the column with Column Depth Gauge To insert the column with Column Depth Gauge on page 361 on page 361 and follow and follow
instructions through step 3, then proceed as follows: instructions through step 3, then proceed as follows:
1. 1. Check tha Check that the t the capillary co capillary column nu lumn nut and t and the ferrule the ferrule (reversed) a (reversed) are installed re installed
on the column as described in the manual. Check that approximately 20 cm on the column as described in the manual. Check that approximately 20 cm
of the detector end of the column is free so that it can be inserted into the
of the detector end of the column is free so that it can be inserted into the
detector. If you are
detector. If you are reinstalling a used column, be sure that the burnt end reinstalling a used column, be sure that the burnt end of of
the column is trimmed off, leaving a clean, square end. the column is trimmed off, leaving a clean, square end.
2. 2. Insert the Co Insert the Column Dep lumn Depth Gaug th Gauge into the e into the hole from hole from which the which the combustor combustor
was removed. Insert the column into the detector and push the column up was removed. Insert the column into the detector and push the column up
until it begins to push up the depth gauge. Tighten the column nut gently
until it begins to push up the depth gauge. Tighten the column nut gently
until a small amount of force is required to move the column. Gently apply
until a small amount of force is required to move the column. Gently apply
force to the depth gauge to push the column down until the depth gauge
force to the depth gauge to push the column down until the depth gauge