A how-to guide on replacing the bellows covers for a Titan 4000 series machine.
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Tools and supplies:
● Shop rags
● Pliers
● 7/16 socket wrench
Gantry Bellows:
Turn off the air at the source and machine.
Pull the bellows clip retainer out, then up to remove it.
Unscrew the 4 thumb screws attaching the bellows cover.
Repeat steps 1-2 for the other end.
Collapse the bellows; lift from the outside edge, then slide it off the notch.
Repeat this for the other gantry bellows cover.
Cross Travel Bellows:
Unscrew the 4 thumb screws attaching the bridge bellows. Do this for both sides
Unscrew the 4 thumb screws attaching the bridge bellows. Do this for both sides.
Repeat this for the bridge bellows cover on the other side of the cross-travel assembly.
Rise and Fall Bellows:
Unscrew the 6 three-point hand knobs securing the shroud.
Disconnect the air hoses to the water skirt: grab the 2 black slider valves, pull down, and remove the hoses from their connector.
Note: mark the hoses with tape to record their placement.
Grasp both handles, lift, and pullback to remove the shroud.
For the Z-Travel bellows cover, remove the 2 thumb screws from the top flange.
Use a socket wrench to unscrew the 2 bolts from the bottom flange.
Collapse, then pull out and away to remove the Z bellows cover.
Note: examine the rails and gear rack for wear and tear (i.e. rust, or pitting on the rails, and broken or chipped
teeth on the gear rack, etc.).
