PCME QAL 181 X, User Manual, Page: 99 / 106

- PCME QAL 181 MANUAL: 99 -
Level 2 - Cleaning the Span Element when the Span reading has fallen
•
Tools – Air Duster (Optional alternative, Optical Cleaner and Swabs)
2.1 Complete steps 1.1 – 1.4 then set the quadrant to the span test position – From QA,
select ‘Cleaning’ (check ‘Quadrant Position’ should be 5.5 ± 0.2) then ‘Activate’ Span
Element Closed.
2.2 Using an ‘Air Duster’ (tin of clean compressed air), push the tube supplied through the
Entry Baffle hole so that it almost touches the span element, then blow.
2.3 Return the quadrant to ‘normal position’ (‘Activate’ Span Element Open), switch on the
air supply and remove the stopper..
2.4 Re run span test - If this fails (due to type of contamination ie very sticky), rotate the
quadrant again (‘Activate’ Span Element Closed) and apply optical cleaner to a swab and
clean the opal through the Entry Baffle cone. Dry the opal through the cone using a clean
dry swab).
2.5 Repeat 2.3 (note, air is already on)
Set Quadrant to
‘Span’ Position
Clean this face of
‘span element’
Air from ‘Known
clean Supply’ ie
Air Duster
(Tube supplied
with Air Duster)