Gerber SABRE 408 - User Manual

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TITLE:
SABRE 408 Y-Axis Lead Screw Replacement Procedure
Gerber FastFact #:
2018
Supplied by:
Gerber Hardware Support
Last Modified:
Updated on December 8, 2009 (June 19, 2007)
Summary:
The following procedure explains how to replace the Y-Axis lead screw on a
Sabre 408 Router.
Tools used:
 Metric Allen Wrench set – “Long-L” type
 Metric Allen Wrench set – “T handle” type
 Torque Wrench – INCH POUND
 Socket for Torque Wrench – 15mm for Lead screw bolts, ¼” for Chapman bits
 Metric Chapman Drive set
 Light duty thread locking compound. LocTite 222 or equivalent and LocTite 245
or equivalent
 Medium duty thread locking compound. LocTite 242 or equivalent
 Isopropyl alcohol for clean-up
Referencing 0,0 position
The encoder pulse must be set to its original position after a new lead screw is installed. Before removing the
old lead screw, it is advised to use the pen tool to draw a line in the X direction on the table top. You can then
use this in setting the new lead screw’s 0 position.
Note: In the case of an inoperable lead screw, see fast fact #2041, “Establishing the Y-Axis encoder pulse
position.”
To Reference 0,0 position
1 Turn the Sabre on at the controller.
2 Orient system.
3 Place pen tool in spindle motor (without moving beam from position it stopped at when it finished
orienting).
4 Lower Pen tool to Table top to depress spring in pen so it can draw on table top.

Summary

Referencing Zero Point Position

Procedure to Set Zero Point

Procedure to set the encoder pulse to its original position using a pen tool to draw a line on the table top.

Front Cover Removal Procedure

Steps for Front Cover Removal

Steps to remove the front panel, T-Vac panel, and associated screws from the router.

Y-Axis Lead Screw Removal

Steps for Y-Axis Lead Screw Removal

Instructions for unbolting support blocks, removing screws, and sliding the lead screw assembly out.

Y-Axis Lead Screw Installation

Steps for Y-Axis Lead Screw Installation

Steps to orient and slide the replacement lead screw through the beam and into clamps.

Front Cover Reinstallation

Steps for Front Cover Reinstallation

Procedure for rotating the ball valve, reinstalling the front panel, and attaching T-Vac handles.

Encoder Pulse Position Verification

Steps for Encoder Pulse Verification

Steps to plug in, slew the beam, orient the router, and use the pen tool to check encoder pulse.

Gerber SABRE 408 Specifications

General

Brand	Gerber
Model	SABRE 408
Category	Industrial Equipment
Language	English