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MAINTENANCE
EFFECTS OF SOLVENTS
No. 2 Handgun Bells
Do Not Soak the No. 2 Handgun Bells in any
solvent. Soaking will deteriorate the bell's per-
formance and void warranty.
Comprehensive testing conducted on the No.
2 Handgun bells has determined the effect of
cleaning bells in different solvents. The following
will serve as a guideline for solvents selected for
cleaning No. 2 Handgun bells.
No. 2 Handgun bells should never be soaked
•
in any solvent. Soaking will effect the electrical
properties of the bell and produce poor spray
performance. Soaking will also void any war-
ranty of the bell.
Cleaning of the No. 2 Handgun bell with any
of the following solvents will have a harmful
effect on the bell's conductivity.
• Methyl Ethyl Ketone [MEK] (141-78-6)
• Acetone (67-64-1)
• Methylene Chloride (75-09-2)
• "Lacquer Thinner"
• "Epoxy Reducers" that contain Ketones
† Acetone has become a very popular
solvent of use because of it's EPA status.
This solvent should be avoided when work-
ing with the No. 2 Handgun. It not only ef-
fects the bell performance, but also has a
very low flash point (-20
Handgun bells should NOT be cleaned in
it and the use of coatings containing Ace-
tone should be avoided.
AH-13-01.3
No. 2 Process Electric Motor Version - MAINTENANCE
NOTE
C, -4° F). No. 2
o
Some solvent blends containing Glycol Ether
•
will not effect the electrical conductivity of the
No. 2 Handgun bell, but do cause a prob-
lem with pattern size, Glycol Ethers leaves
a conductive residue on the insulating hub
of the bell, which leaks voltage from the rim
across the probe of the bell. This results in an
enlarged center hole pattern and decreased
atomization. Some of the solvents are:
• Butyl Cellosolve (111-76-2)
• Methyl Cellosolve (109-86-4)
• Ethyl Cellosolve (110-80-5)
•
To avoid problems with atomization and
achieve the maximum length of life for the
bells, the solvents suggested for cleaning (not
soaking) are:
• Toluene (108-88-3)
• Xylene (1330-02-07)
• Mineral Spirits
• Solvesso-100
• Solvesso-150
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