EST Centurion W - Replacement of Sampling Station Needle

4.8 Replacement of Sampling Station Needle
CAUTION: Oven cover from sampling station is hot. Power off instrument
and allow system to cool before proceeding with sample station needle replacement.
ATTENTION: Couverture Four de la station d'échantillonnage est chaud.
Éteignez l'instrument et permettre au système de refroidir avant de procéder au
remplacement de l'aiguille de la station d'échantillonnage.
1. Remove blue oven cover from the sampling station using 5/64 inch allen wrench. See
Figure 4an.
Figure 4an: Blue Sampling Station Oven Cover
2. Remove the top of tee to the top of the soil needle using a 5/16 inch wrench. See
Figure 4ao.
Figure 4ao: Top of Tee to Top of Soil Needle