Barcrest MPU6, Руководство по обслуживанию на месте

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5.7 Lightbox repairs
Switch off mains power to the machine and disconnect the mains plug from the power point.
Gain access to the interior of the machine as described in the specific Machine Manual.
5.7.1 Lamp replacement
•
On the standard lamp holder as fitted to a light box, depress the plastic lug, then
withdraw the lamp holder from the lightbox. Note that it is best to use two hands to
prevent the lamp holder tilting. Remove a button lamp holder by pulling it, taking care
not to disengage the wiring.
•
Withdraw the lamp from the lamp holder by pulling it, taking care not to disengage the
wiring.
•
Press a new lamp (12V, 1.3W, wedge base) into the lamp holder.
•
Insert the lamp holder into the light box by using firm pressure until it snaps into place.
5.7.2 Lamp Holder Removal and Replacement
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Withdraw the lamp holder and remove the lamp.
•
Note the position of the green and blue wiring to the lamp holder, with the green wire
at the centre. Use finger pressure to disconnect the wiring from the lamp holder.
•
Use an I.D.C. insertion tool to connect the green and blue wiring to the new lamp
holder, taking care to connect the wiring securely.
•
Fit the lamp to the lamp holder and insert the lamp holder into the light box
5.7.3 Lamp replacement
•
Withdraw the lampholder from the button panel by pulling it firmly, taking care not to
disengage the wiring.
•
Firmly pull the lamp from the lampholder.
•
Press a new lamp (12V, 1.3W, wedge base) into the lampholder.
•
Insert the lampholder into the button panel by using firm pressure until it snaps into
place.