TM 10-6630-246-12&P
TM 09241B-12&P
b.
Testing.
Testing is performed during setup for use. See paragraph 2-11.
c.
Servicing.
(1)
Clean pH/temperature meter (1) with a damp rag and detergent if necessary. Remove detergent
residue with a damp rag and dry thoroughly before repacking.
(2)
Clean pH electrode (2) with a damp rag and detergent if necessary. Remove detergent residue with a
damp rag and dry thoroughly before repacking. Do not remove storage/soaker bottle (4).
(3)
Clean temperature probe (3) with a damp rag and detergent if necessary. Remove detergent residue
with a damp rag and dry thoroughly before repacking.
(4)
Fill storage/soaker bottle (4) if solution level is below 3/4 full.
(a)
Loosen cap on storage/soaker bottle (4) and slide bottle off pH electrode (2).
(b)
Fill storage/soaker bottle (4) with prepared pH 4.00 buffer solution (figure 1-2, item 19).
(c)
Slide storage/soaker bottle (4) onto pH electrode (2) and tighten cap. Be sure pH electrode tip is
immersed in buffer solution.
(d)
Change storage/soaker bottle (4) solution if undissolved particles are apparent.
(e)
Remove cover (5) and battery (6), if installed. Store battery in one of the case battery storage
areas unless immediate use of the meter is anticipated.
(f)
Replace cover (5).
(g)
If battery (6) is suspected to be bad, replace it. See paragraph 2-1 1.
NOTE
Dispose of old batteries in accordance will local regulations/ordinances.
d.
Calibration.
Calibration is performed during use. See paragraph 2-11.
NOTE
Repairs are limited to replacement of probes only.
3-11
