X-Axis Drive Belt; Required Tools; To Remove The X-Axis Drive Belt; To Replace The X-Axis Drive Belt - Sun Microsystems Enterprise Tape Library 7/3500 Field Service Manual

X-Axis Drive Belt

Required Tools

Short handled Phillips screwdriver, small wrench

To Remove the X-Axis Drive Belt

1. Remove power from the library.
Caution – DO NOT disconnect the power cord from facility power or the library.
The power cord is the only means of grounding the chassis and helping to prevent
electrostatic discharge (ESD) damage.
2. Connect your ESD wrist grounding strap to the closest grounding point on the
frame of the library.
3. Remove the top, left, and right cosmetic panels as shown in "Top, Right, and Left
Panels" on page 92.
4. Move the horizontal axis to the middle of the library.
5. From the left side of the library, on the x-axis assembly, loosen (to near removal)
the screws on the fixed half of the belt tensioner. (
6. Loosen (to near removal) the screws on the adjustable half of the belt tensioner.
7. Allow the belt to fall away.
8. Loosen the adjustment screw on the belt tensioner by loosening the jam nut and
unscrewing it to its fullest extension.

To Replace the X-Axis Drive Belt

Follow the removal instructions in reverse order.

To Make Adjustments Required After Replacement

Complete horizontal belt tension adjustment using "X-Axis Belt" on page 40.
A loose horizontal belt will produce an unusual amount of noise when the
horizontal axis moves.
116 Sun Enterprise Tape Library 7/3500 Field Service Manual • July 1997
).
FIGURE 4-11