194 Instruction Manual QuickTOC
®
ultra
IECEx 12E5119
8 Care and Maintenance
8.7 Perform Maintenance Actions LAR | PROCESS ANALYSERS AG
8.7.15 Replace Needle Guide Seal (Injection Port)
Precondition: - Needle guide seal (injection port) is one month old.
• Unscrew the union nut of the injection port.
• Lift the top part of the needle guide and remove the old needle guide seal (Fig. 132, page 196).
• Insert the new needle guide seal into the clean groove.
• Place the top part of the needle guide onto the lower part of the needle guide.
• Tighten the union nut again.
8.7.16 Replace Silicone Seals for Glass Components
Precondition: - Silicone seals are 1 month old.
1. Unscrew the screw caps of the glass components.
2. Remove the old silicone seals from the cover.
3. Insert a new silicone seals into the cover.
4. Note its position. If the silicone seals has a teflon-coated side, it must face the glass.
5. Hand tighten the screw caps.
Warning
Do not remove the needle guide seal with a screwdriver or other sharp object
because this could scratch the groove, thereby causing leaks. Instead, use a
soft object like a wooden toothpick or pencil to lever out the seal.
Fig. 130: Replace needle guide seal
Notice
We recommend keeping silicone seals in stock.
If you have any question, please contact the Sales Department of LAR
(Chapter 15 on page 283).
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