Stratasys F900 - Removing Canisters

90
REMOVING CANISTERS
The process for removing an empty canister or a partially used canister varies slightly. Follow the instructions
below to either remove and discard an empty canister, or remove and store a partially used canister.
To remove an empty canister:
1. Raise the drive block off the canister by lifting the drive block lever.
2
. Pull the canister out of the bay.
•
There will be a piece of material, approximately 2 inches (5.1 cm) in length, that extends
b
eyond the filament exit hole. When removing an SR-20 support canister, this piece may break
off when the canister is removed. Make sure that the broken piece drops out of the drive block.
If necessary, remove the drive block inlet to remove this piece of material.
To remove a partially used canister (refer to Figure 4-39 on page 92 for referenced item numbers):
1. Unload filament from the liquefiers (see “
Unloading Material from the Liquefier Tips” on page 89).
2. After
Unload Complete is displayed on the user panel, open the canister thumbwheel
door (item 3).
3. Re-insert the square foam gasket (item 7A) into the thumbwheel door.
4
. Close the thumbwheel door.
5
. Raise the drive block off the canister by lifting the drive block lever.
6
. Immediately pull the canister out of the bay (within ten seconds of lifting the drive block lever).
•
When the drive block lever is raised, the drive block motor runs in reverse and pulls material
f
rom the system.
• The excess material accumulates in the empty drive bay.
•
As the end of the filament exits the filament present switch, the canister-drive motor stops.
7
. Cut the filament flush with the top of the canister snout.
8
. Remove the plastic plug from its storage location (item 6B) and insert it into the filament outlet
h
ole of the canister snout (item 4 and 6A).
9. Pull remaining filament from the drive block and discard all accumulated material in the drive bay.
1
0. To Install a canister see “
Canister Installation” on page 91.
Note: Empty canisters have a small, unusable volume of material remaining. The
leftover material allows manufacturing tolerances and ensures that Auto
Changeover works properly.
Caution: Immediately pull the canister from the bay after lifting the drive block
lever. A delay may allow filament to be forced into the canister. If filament is
forced into canister, cross winding is likely, making the entire canister unusable.
Caution: Discard material pulled from system. Do not attempt to rewind material
in canister. If filament is forced into canister, cross winding is likely, making the
entire canister unusable.