Pall LevMixer DB-300, Руководство оператора

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Document #: 020-17475-00 Revision: E Page #: 32 of 63
O.3.6 LED bulb replacement:
To change the LED bulb (see figures 32 and 33):
 Switch the unit off and unplug it from the external power source.

Unlock control box by rotating the latch counterclockwise using a flat-head
screwdriver.
 Open the Control Box door and locate the Contact block attached to the
power button.

Pull the Cap up from the lever (pry slightly with slotted blade screw driver).
 Turn the Lever to the left position.
 Pull the contact block off of the power button. The contact block will release
and the LED will be exposed.
 Replace the LED by twisting and pulling it out of the contact block. Replace
with a new LED.
 Place the contact block in its original position on the power button stem and
lock it by turning the Lever all the way to right.
 Check to ensure the contact block is firmly seated on the power button and
place Cap back on the lever all the way down.
 Close the Control Box door and lock it by rotating the latch clockwise using a
flat-head screwdriver.
Figure 32: Contact Block release Figure 33: LED bulb replacement
O.3.7 Air Filter inspection:
To inspect air filter follow steps below:
 Switch the unit off and unplug it from the external power source.
 Lean the entire unit back to expose the bottom of the unit.
 Unsnap all four clips of the filter cover with a flat-head screwdriver and detach it
from the filter body.
 Remove the cover by sliding it out. The filter tissue is located between the filter
body and filter cover (see figures 34 and 35).
 Check the filter tissue for deposits on both sides. Replace filter tissue with a new
one if noticeable deposits are found.
 Replace the filter tissue and snap the filter cover back onto the filter body.
 Check to ensure the cover is secured using all four clips.
LED BULB
LEVER
CONTACT BLOCK CAP