Maintenance - Braillo 400 S 3 Series User Manual

B 400 Series 3
BRAILLO NORWAY AS
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4.20 Maintenance

Weekly (without taking the cover off).
Does the printer print correct braille?
How is the braille dot quality?
Check for any damages on the outside of the cover.
Are the operator panel and display functioning and are powerlamps illuminated?
Do the fans work? Are the fans clean?
If there is a lot of dust from the paper on the paperguides, use a vacuum cleaner.
Every 500 hours or six months.
Everything of the weekly maintenance.
Is the printer mechanism, electric unit, baseplate and so on clean? Use a vacuum cleaner to remove
the dust.
Check the main belt for wear, tear, cracks and check the tension.
Check the tractor belts for wear, tear, and cracks. Be sure to check the small red "spikes" of the tractor
belts very carefully. Sometimes these "spikes" are so worn that they will just fall of.
Clean the magnet racks.
Check the sponges for the long pivot arms on the four magnet racks, the sponge should be able to keep
the long pivot arms pressed against the support list.
When putting the magnet racks back in, check all the magnet rack adjustments.
Check if the printing pins move freely, and if not do a cleaning of the printing pin guide.
Every 1000 hours or twelve months.
Everything of the 500 hours or six months maintenance.
Check the four sponges for the short pivot arms, the sponge should be able to keep the short pivot arm
pressed all to the end of its travelling distance.
Check the tear and wear on the piston (12 x 56). This can be measured with a caliper, and the length
must be between 55.90 to 56.00 mm.
Check if the paper shoes are worn. The printer should be able to give good braille dot quality, but if
not, worn papershoes could be the reason.
Lubricate all the stroke ball bearings, using a universal grease with molybdensulfi d.
Lubrication should be done as described in fi gure on the next page.
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