SVC 4-18
Remove/Replace FID Jet
` HAZARDOUS VOLTAGES ARE PRESENT IN THE INSTRUMENT WHEN THE
POWER CORD IS CONNECTED. AVOID A POTENTIALLY DANGEROUS SHOCK
HAZARD BY DISCONNECTING THE POWER CORD BEFORE WORKING ON THE
INSTRUMENT.
` FLAME IONIZATION (FID) DETECTORS USE HYDROGEN GAS AS FUEL. BE
SURE ALL HYDROGEN GAS IS TURNED OFF AT ITS SOURCE BEFORE
REPLACING ANY FLOW COMPONENTS.
1. Set the main power line switch to the off position.
2. Disconnect the power cable from its receptacle.
3. Turn off all gas supplies.
4. Lift the hinged top cover at its front edge,
exposing the detector area.
5. Remove the electronics carrier top cover .
6. Remove the right side panel by
removing four screws: two each
along its top and bottom edges.
7. Disconnect the ignitor wire lead connector at
the mating connection adjacent to the ignitor.
8. Loosen the screws securing the clamps
holding the detector PCB interconnect in place.
OFF ON
RED O VISIBLE
ELECTRONICS
CARRIER TOP
COVER
SCREWS
SCREWS
RIGHT SIDE PANEL
IGNITOR
DETECTOR PCB
INTERCONNECT
CLAMPS
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