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Campbell Scientific TB4 and TB4MM Hydrological Services Rain Gage User Manual

Page 17

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TB4 and TB4MM Rain Gage

3. Disassemble the filter/siphon assembly by doing the following (see Figure

7-3):

(a) Unscrew nut
(b) Lightly press stem down on surface until stem pops out of siphon
body.
(c) Remove stem from siphon body.
(d) Unscrew cap
(e) Clean all items

Filter Cover

Filter Screen

Stem Cap

Stem

O Ring

Siphon Body

Brass Nut

FIGURE 7-3. Filter/Siphon Assembly

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