Exabyte Mammoth Manuale utente

319933-000

December 1996

#319933-000#

Contents

1 Before you begin . . . . . . . . . . . . . . . . . . . . . . . 2

2 Removing the top cover and faceplate . . . . . 3

3 Removing the cartridge loader. . . . . . . . . . . . 5

4 Installing the cartridge loader . . . . . . . . . . . . 6

5 Replacing the faceplate and top cover . . . . . 8

6 After replacing the cartridge loader. . . . . . . 10

FIELD INSTRUCTIONS

Exabyte Mammoth 8mm Tape Drive

Replacing the Cartridge Loader

Page 2 of 10 319933

herein are the property of Exabyte Corporation. No part of this document may be reproduced,

transmitted, transcribed, stored in a retrieval system, or translated into any language or computer

language in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual, or

otherwise, without the express written permission of Exabyte Corporation, 1685 38th Street, Boulder,

Colorado 80301.

Trademark Notices

EXABYTE, EXAPAK, EXB, FileSECURE, LANCourier, and NetSECURE are registered trademarks of

Exabyte Corporation. Eagle, EXA, EXAFacts, EXA

soft

, EXATAPE, Nest, and SCIMON are trademarks of

Exabyte Corporation. All other product names are trademarks or registered trademarks of their

respective companies.

1 Before you begin

To protect the tape drive from ESD, follow these procedures when repairing

or testing it:

Place a static protection mat on the work surface used for tape drive

components. Use a 1-megohm resistor to ground the static protection

mat.

Wear a static protection wrist band whenever you handle tape drive

printed circuit cards. Connect this wrist band to the static protection mat

or to other suitable ESD grounding.

If there is a cartridge in the tape drive, remove it before performing any

maintenance procedure.

Note:

If a cartridge is jammed in the cartridge loader, contact Exabyte

Technical Support before you perform this procedure.

CAUTION

Before you begin, make sure that the repairenvironment

for the tape drive is free of conditions that could cause

electrostatic discharge (ESD).

December 1996 Page 3 of 10

Removing the top cover and faceplate

Required tools

Torque limiting screwdriver

T-6 TORX bit

A pair of tweezers

2 Removing the top cover and faceplate

Remove the two side screws and one rear screw that attach the top cover

to the tape drive (see Figure 1).

To remove the top cover, slide it back about1 inch (2.6 cm). Lift the front

edge first, and then remove the cover.

Figure 1

Removing the top cover

Page 4 of 10 319933

Removing the top cover and faceplate

If your tape drive has an LCD on the faceplate, disconnect the LCD flex

cable before you remove the faceplate. Unlock the LCD flex cable

connector by pulling one end of the tab and then the other toward the

cable (see Figure 2). Gently pull the LCD flex cable out of the connector.

Press in the faceplate tabs on both sides of the tape drive, as shown in

Figure 3. Pull the faceplate straight out from the tape drive.

Figure 2

Loosening the LCD flex cable connector

CAUTION

Make sure you pull the faceplate straight out to remove

it. If you tilt or twist the faceplate, you might damage

the LED circuit card on the left side of the tape drive.

Figure 3

Removing the faceplate

December 1996 Page 5 of 10

Removing the cartridge loader

3 Removing the cartridge loader

If your tape drive has a wire clip on the inner front panel, use a T-6

screwdriver to loosen the clip (see Figure 4). Remove the wires from the

clip.

Use a pair of tweezers to disconnect the cartridge loader wire connector

from the circuit board (see Figure 5). Note the orientation of the wires

so that you can replace the connector correctly.

Figure 4

Loosening the cartridge loader wire clip

Figure 5

Removing the cartridge loader screws and disconnecting the wires

Page 6 of 10 319933

Installing the cartridge loader

Use a T-6 screwdriver to remove the three screws that secure the

cartridge loader to the tape drive (see Figure 5).

Lift the back of the cartridge loader slightly. Handling the cartridge

loader by the frame, remove it from the tape drive.

4 Installing the cartridge loader

Handling it by the frame, lower the front of the replacement cartridge

loader into the front of the tape drive. Guide the cartridge loader wires

through the rectangular hole in the front of the tape drive.

CAUTION

The screws are very small. Be careful not to drop them

into the tape drive.

CAUTION

Be careful not to pinch the wires between the motor

and the inner front panel.

December 1996 Page 7 of 10

Installing the cartridge loader

UsingthealignmentpinsshowninFigure 6 forguidance, lowertheback

end of the cartridge loader into the tape drive.

Replacethe threescrews thatattachthecartridge loadertothe tapedrive

(see Figure 6). Tighten the screws to 1.2 inch-pounds of torque.

Using a pair of tweezers, reconnect the cartridge loader wires to the

circuit board (see Figure 6).

If your tape drive has a wire clip, guide the cartridge loader wires into

the clip and tighten the wire clip screw.

Note:

If you need to replace the door, refer to

Replacing the Exabyte

Mammoth Door

(part number 319934).

Figure 6

Installing the cartridge loader

Page 8 of 10 319933

Replacing the faceplate and top cover

5 Replacing the faceplate and top cover

Placethetapedriveonaflatsurface.Alignthebottomofthereplacement

faceplate with the bottom of the tape drive. Position the LED guard on

the back of the faceplate on the left side of the tape drive.

Position the faceplate tabs inside the side panels and press the faceplate

onto the tape drive (see Figure 7).

CAUTION

Make sure you align the bottom of the faceplate with

the bottom of the tape drive and position the faceplate

tabs inside the walls of the tape drive before you attach

the faceplate. If you misalign the faceplate, you could

break the LEDs off the printed circuit card.

Figure 7

Positioning the faceplate

December 1996 Page 9 of 10

Replacing the faceplate and top cover

Ifyour faceplatehasan LCD, pullthetabontheLCDflexcableconnector

toward the left side panel (see Figure 8).

If your faceplate does not have an LCD, go to step 6, below.

Slide the LCD flex cable allthe way into the connector on the card. Make

sure the LCD flex cable is firmly seated in the connector.

Holding the flex cable firmly in place, press the tab into the connector

to close it.

Place the top cover on the tape drive so that the back edge extends about

1 inch (2.6 cm) over the back of the tape drive. Slide the cover forward

carefully, guiding the tab on the top cover under the lip of the faceplate.

Figure 8

Loosening the tab on the LCD flex cable connector

CAUTION

A mylar flap inside the tape drive protects the cartridge

loader. Be careful not to catch the flap on the top cover

window as you slide the top cover forward.

Page 10 of 10 319933

After replacing the cartridge loader

Replace the three screws that attach the top cover to the tape drive (see

Figure 9). Tighten the screws to 1.2 inch-pounds of torque.

6 After replacing the cartridge loader

Reconnect the power cable and power on the tape drive. Insert a cartridge

into the tape drive. Check the following operations:

The cartridge loads and unloads smoothly

The tape drive door closes when you pull the cartridge out

If you have a faceplate with an LCD, make sure the LCD operates

correctly. Refer to

Exabyte Mammoth Installation and Operation

(part

number 306484) for more information about the LCD.

If you experience any problems, make sure:

The faceplate is positioned squarely on the front of the tape drive

The door spring was correctly retensioned

The cartridge loader wires are securely attached

The LCD flex cable is securely attached

Figure 9

Replacing the top cover

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