Sun Microsystems Enterprise Tape Library 7/3500, Field Service Manual

Page: 137 / 242

Chapter 4 FRU Removal and Replacement 107
4
Load Port Door Lockout Solenoid
Required Tools
Phillips screwdriver, crescent wrench, small punch
▼
To Remove the Load Port Door Lockout Solenoid
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. Remove the front cover as shown in “Top, Right, and Left Panels” on page 92.
5. With the front panel removed, locate the load port door lockout solenoid from
inside the front panel. (
FIGURE 4-7
).
6. Disconnect the in-line solenoid connector J1 plugged into SOL_J1.
7. Remove the self-locking nuts that secure the load port upper pivot block to the
front panel.
8. Remove the pivot block from the front panel.
9. Invert the pivot block and lift out the load port locking lever assembly.
10. Remove the solenoid from the solenoid mounting bracket by removing the
solenoid retaining nut and lock washer.