Clemco ZERO BNP 55, Руководство пользователя

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BNP ® 55 SUCTION BLAST CABINET Page 27
© 2019 CLEMCO INDUSTRIES CORP.
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www.clemcoindustries.com
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Manual No. 23350, Rev G, 02/19
8.5.3 Moist compressed air may be due to a faulty
compressor that overheats, or that pumps oil or
moisture into the air line, too long of an air line
permitting moisture to condense on the inside, or from
high humidity. Drain the air filter and receiver tank
regularly. Ongoing problems with moist air may require
the installation of an air dryer or aftercooler in the air-
supply line.
8.5.4 Absorption. Some media types tend to absorb
moisture from the air, especially fine-mesh media in
areas of high humidity. Empty the media and store it in
an airtight container when cabinet is not in use.
8.5.5 A vibrator attached to the reclaimer hopper or
media metering valve may help to prevent bridging of
fine-mesh media.
NOTE: To avoid the possibility of
compressing media, a vibrator should be set up to
start only when the foot pedal is pressed and stop
when the pedal is released.
8.6 Media surge
8.6.1 Heavy media flow. Adjust media /air mixture,
per Section 5.3.
8.7 Blockage in media hose
8.7.1 Media obstructions. Usually caused when the
media mixture is too rich. Adjust media-air mixture, per
Section 5.3.
8.7.2 Wet or damp media. Refer to Section 8.5.
8.8 Poor suction in media hose
8.8.1 Inadequate air supply. Refer to Sections 1.10
and 2.3.2, and make sure cfm and air hose
requirements are met.
8.8.2
Air jet needs adjustment. Check adjustment,
per Section 5.2.
8.8.3 Nozzle is worn. Replace if orifice diameter is
worn 1/16" or more from original size.
8.8.4 Blockage in media hose or nozzle. Refer to
Sections 8.4 and 8.7.
8.8.5 Air jet and nozzle combination may be wrong.
Refer to the table in Paragraph 1.10.1.
8.8.6 Air jet sleeve extends past end of air jet. Cut
the sleeve to align with the air jet.
8.8.7 Blast pressure too high. Adjust pressure, per
Section 5.1.
8.8.8 Nozzle inserted backward. The wider, tapered
end of the nozzle should face toward the air jet.
8.9 Air only (no media) from nozzle
8.9.1 Low media level in reclaimer. Check media
level and replenish as needed.
8.9.2
Make sure the air hose and media hose are not
reversed; the green air hose attaches to the back of
the gun and the clear media hose attaches to the
bottom of the gun’s grip. Refer to Figure 34.
8.10 Blowback through media hose
8.10.1 Blockage in nozzle. Remove the nozzle and
check for blockage.
8.10.2 Air jet may be too large for nozzle. Refer to the
table in Paragraph 1.10.1.
8.10.3 Blast pressure too high. Adjust blast pressure,
per Section 5.1.
8.11 Blasting does not begin when the foot
pedal is pressed
8.11.1 Door interlocks not engaging. Check
adjustment, per Section 5.7.
8.11.2 Blocked or leaking control lines. Check all
urethane tubing for blockage or leaks.
8.11.3 Foot pedal valve malfunction. Check foot pedal
alignment, and inlet and outlet lines for pressure.
8.11.4 Make sure lines are not reversed on the foot
pedal or pilot regulator. Refer to the cabinet controls
and plumbing schematic in Figure 40.