Exabyte Mammoth User manual

319934-000

December 1996

#319934-000#

Contents

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

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

3 Adjusting the cartridge loader . . . . . . . . . . . . 5

4 Replacing the door . . . . . . . . . . . . . . . . . . . . . 6

5 Readjusting the cartridge loader . . . . . . . . . 10

6 Replacing the faceplate and top cover . . . . 10

7 After replacing the door . . . . . . . . . . . . . . . . 13

FIELD INSTRUCTIONS

Exabyte Mammoth 8mm Tape Drive

Replacing the Door

Page 2 of 12 319934

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.

Required tools

Torque limiting screwdriver

T-6 TORX bit

2.5 mm ballpoint Allen hex driver, at least 60 mm in length

A pair of tweezers

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 12

Removing the top cover and faceplate

2 Removing the top cover and faceplate

Using a T-6 screwdriver, 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.

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).

Figure 1

Removing the top cover

Figure 2

Loosening the LCD flex cable connector

Page 4 of 12 319934

Removing the top cover and faceplate

Gently pull the LCD flex cable out of the connector.

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

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

CAUTION

Make sure you pull the faceplate straight out to remove

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

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

Figure 3

Removing the faceplate

December 1996 Page 5 of 12

Adjusting the cartridge loader

3 Adjusting the cartridge loader

To access the door, you must move the cartridge loader into the cartridge

loaded position.

Locate the cartridge unload hole on the left side of the tape drive, as

shown in Figure 4.

Insert the ballpoint Allen hex driver into the unload hole, guiding it

through a hole in the circuit card until it mates with a the gear in the

cartridge loader.

Lift the cartridge loader check bar (see Figure 4) and hold it out of the

way as you begin to turn the Allen driver clockwise.

Release the check bar, and continue to turn the Allen driver clockwise

until the cartridge loader stops in the cartridge loaded position.

Remove the Allen driver from the cartridge unload hole.

Figure 4

Adjusting the cartridge loader

Page 6 of 12 319934

Replacing the door

4 Replacing the door

Lift the left end of the door hinge pin from the left door clip as shown

in Figure 5.

Locate the spring on the right end of the hinge pin (see Figure 6). Using

a pair of tweezers, remove the left end of the spring from the hole, as

shown.

Figure 5

Removing the left hinge pin

Figure 6

Removing the left end of the spring

December 1996 Page 7 of 12

Replacing the door

Snap the right end of the hinge pin out of the right door clip as shown

in Figure 7.

If the door clips have become damaged or worn, replace them. To

remove a door clip, insert a small screwdriver into the door clip hole and

push gently against the clip. Slide the clip forward off the door frame

(see Figure 8).

Locate the replacement door clip and slide it onto the door frame.

Figure 7

Removing the right hinge pin

Figure 8

Replacing a door clip (left side shown)

Page 8 of 12 319934

Replacing the door

Locate the replacement door. Insert the left end of the hinge pin into the

left door clip.

Snap the right end of the hinge pin into the right door clip. Be careful

not to catch the spring in the door clip.

Locate the door lever on the right side of the door. Push the door lever

up out of the way, as shown in Figure 10.

Using a pair of tweezers, insert the left end of the spring into the door

spring hole (see Figure 10).

Figure 9

Inserting the left end of the hinge pin into the door clip

Figure 10

Repositioning the door lever and replacing the spring

December 1996 Page 9 of 12

Replacing the door

10.

With the door lever pushed back, push in the bottom of the door and

rotate it around the hinge pin one and a half turns to tension the spring,

as shown in Figure 11.

11.

Holding the door up directly above the hinge pin, pull the door lever to

the front, as shown in Figure 12.

12.

Release the door, then push it in to test it. If the door was tensioned

correctly, it will close after you let it go.

Figure 11

Tensioning the door spring

Figure 12

Pulling the door lever to the front

Page 10 of 12 319934

Readjusting the cartridge loader

5 Readjusting the cartridge loader

Insert the ballpoint Allen hex driver into the cartridge unload hole on

the left side of the tape drive (see Figure 13).

Turn the Allen driver counterclockwise until the cartridge loader stops

in the cartridge unloaded position.

Remove the Allen driver from the unload hole.

6 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, as shown, and press

the faceplate onto the tape drive (see Figure 14).

Figure 13

Readjusting the cartridge loader

CAUTION

Make sure you align the bottom of the faceplate with

the bottom of the tape drive and position the faceplate

tabs inside the side panels before you attach the

faceplate. If you misalign the faceplate, you could

break the LEDs off the printed circuit card.

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