Ametek Dycor CG1000-RTP User Manual page 78

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7-6 | Dycor CG1000-RTP Oxygen Analyzer
6. Carefully feed the thermocouple and furnace wires through the hole
in the insulation cover as you remove the furnace insulation cover
from the insulation base. The thermocouple wires and furnace wires
should remain attached to the furnace.
7. Loosen the captive screw on the furnace L-bracket until the furnace is
loosened from the L-bracket (see Figure 7-3).
8. Pull the furnace straight out and remove it from the analyzer.
Installing the New Furnace
1. Retrieve the new furnace and thermocouple assembly (PN 72691SE).
If replacing just the thermocouple, also do the following (Figure 7-5):
Figure 7-5. Thermocouple assembly.
Retrieve an anti-seize and lubricating compound (for example, nEvER
sEEZ catalog number nsB-4 from Bostik chemical group). Apply the
anti-seize compound to the inside diameter of the swagelok body.
Retrieve a Neo-Lube No. 1 dry film conductive lubricant from Huron Industries,
inc. and apply it to the following:
Both furnace holes
captive screw on furnace bracket
inside and outside of back and front ferrules
inside of swagelok nut
Threads of swagelok body
Allow the lubricant to dry.
2
Insert the thermocouple with Swagelok nut and ferrules into the
Swagelok body as far as possible. Hand tighten the Swagelok nut.
Push the thermocouple stop against the Swagelok nut, then tighten
with a wrench one-quarter turn.
3
Place the new furnace into the furnace L-bracket; tighten the furnace cap-
tive screw. Make sure that the furnace sits against the "L" shape bracket.

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