3D Systems sPro, User Manual

Page: 240 / 280

SLS p r o c e s s 2 4 0 B O S
u s e r ’ s g u i d e B O S m a i n t e n a n c e
B O S M a i n t e n a n ce
Cleaning the BOS powder transfer hopper
Before you attempt to clean the powder transfer
hopper , remove the hopper grate following the
instructions below.
1
Before removing the powder transport
hopper grate, press the BOS E-stop button to
deactivate the BOS auger, machine power
cable removed from its source.
2
In the course of BOS operation, the auger
may get jammed or an object may fall into
the powder transport hopper. The first action
should be to push the E-stop button. next,
the power cable needs to be removed from
its source. Acquire a flat bladed screw driver
and remove the two captive screws holding
the grate to the hopper/table surface.
Remove the grate and set aside. Do not
operate the machine while the grate is
removed.
3
After servicing the machine, replace the grate
and make sure the grate is flush with the
table top. Tighten the two captive screws
until completely engaged. Look into the
hopper to be sure no tools or any foreign
objects other than powder are left inside.
Disengage the e-stop by rotating the button
top until it releases. Plug the BOS power
cable back into the power source. Continue
operation.
Replacing the sifter waste bag
The trash bags inside the front lower door need
to be replaced, maybe often, depending on the
usage. The HEPA filter, 103230-00, on the
auxiliary/disposal drum will need to be changed
when needed. No other maintenance is required.
Just clean-up as needed.
Moving parts can crush and cut. Do
not operate with hopper grate
removed. Follow lockout procedure
before removing grate for cleaning.