IBM 9332 Manuale utente

SY31-9026-0

·de

Service

Gui

-;-

-:-.,.-;;

9332 Disk Unit

..:.=="=

Models

2001400

Federal

Communications

Commission

(FCC)

Statement

Warning:

This

equipment

generates,

uses,

and

can

radiate

radio

frequency

energy

and

not

installed

and

used

accordance

with

the

instruction

manual,

may

cause

interference

radio

communications.

has

been

tested

and

found

comply

with

the

limits

for

Class

computing

device

pursuant

Subpart

Part

FCC

Rules,

which

are

designed

provide

reasonable

protection

against

such

interference

when

operated

commercial

environment.

Operation

this

equipment

residential

area

likely

cause

interference

which

case

the

user

his

own

expense

will

required

take

whatever

measures

may

required

correct

the

interference.

First

Edition

(June

1986)

The

drawings

and

specifications

contained

herein

shall

not

reproduced

whole

part

without

written

permission.

IBM

has

prepared

this

manual

for use

service

representatives

the

maintenance

repair

the

specific

machines

indicated.

IBM

makes

representations

that

suitable

for

any

other

purpose.

Information

contained

this

manual

subject

change

from

time

time.

Any

such

change

will be

reported

subsequent

revisions

Technical

Newsletters.

References

this

publication

IBM

products,

programs,

services

not

imply

that

IBM

intends

make

these

available

all

countries

which

IBM

operates.

The

numbers

the

bottom

right

illustrations

are

publishing

control

numbers

and

are

not

part

the

technical

content

this

manual.

Publications

are

not

stocked

the

address

given

below.

Requests

for

IBM

publications

should

made

your

IBM

representative

your

IBM-approved

remarketer.

This

publication

could

contain

technical

inaccuracies

typographical

errors.

A form for

readers'

comments

provided

the

back

this

publication.

the

form

has

been

removed,

comments

may

addressed

IBM

Corporation,

Information

Development,

Department

245,

Rochester,

Minnesota,

U.S.A.

55901.

IBM

may

use

distribute

whatever

information

you

supply

any

way

believes

appropriate

without

incurring

any

obligation

you.

International

Business

Machines

Corporation

1986

SY31-9026-0

"de

Service

Gui

7 - -

=---;

9332

Disk Unit

..:.:::::::::"'=

Models

2001400

Federal

Communications

Commission

(FCC)

Statement

Warning:

This

equipment

generates,

uses,

and

can

radiate

radio

frequency

energy

and

not

installed

and

used

accordance

with

the

instruction

manual,

may

cause

interference

radio

communications.

has

been

tested

and

found

comply

with

the

limits

for

Class

computing

device

pursuant

Subpart

Part

FCC

Rules,

which

are

designed

provide

reasonable

protection

against

such

interference

when

operated

commercial

environment.

Operation

this

equipment

residential

area

likely

cause

interference

which

case

the

user

his

own

expense

will

required

take

whatever

measures

may

required

correct

the

interference.

First

Edition

(June

1986)

The

drawings

and

specifications

contained

herein

shall

not

reproduced

whole

part

without

written

permission.

IBM

has

prepared

this

manual

for

use

service

representatives

the

maintenance

repair

the

specific

machines

indicated.

IBM

makes

representations

that

suitable

for

any

other

purpose.

Information

contained

this

manual

subject

change

from

time

time.

Any

such

change

will be

reported

subsequent

revisions

Technical

Newsletters.

References

this

publication

IBM

products,

programs,

services

not

imply

that

IBM

intends

make

these

available

all

countries

which

IBM

operates.

The

numbers

the

bottom

right

illustrations

are

publishing

control

numbers

and

are

not

part

the

technical

content

this

manual.

Publications

are

not

stocked

the

address

given below.

Requests

for

IBM

publications

should

made

your

IBM

representative

your

IBM-approved

remarketer.

This

publication

could

contain

technical

inaccuracies

typographical

errors.

A form for

readers'

comments

provided

the

back

this

publication.

the

form

has

been

removed,

comments

may

addressed

IBM

Corporation,

Information

Development,

Department

245,

Rochester,

Minnesota,

U.S.A.

55901.

IBM

may

use

distribute

whatever

information

you

supply

any

way

believes

appropriate

without

incurring

any

obligation

you.

International

Business

Machines

Corporation

1986

Who

should

use

this

manual

...

This

manual

for

service

representatives

who

service

repair

the

IBM

9332

Disk

Unit.

This

manual

uses

specific

range

words

that

the

text

can

understood

service

representatives

countries

where

English

not

the

normal

language.

How

this

manual

arranged

This

manual

contains:

• A

safety

section

with

rules

for

safety

and

lists

safety

notices

• A

table

contents

showing

all

the

procedures

this

manual

and

the

page

which

each

procedure

starts

•

Five

chapters

with:

Information

locate

field-replaceable

units

(FRUs)

and

locate

the

9332 model

number

and

serial

number

Procedures

remove

and/or

install

any

FRU

and

how

verify

good

fix

Procedures

inspect

the

9332 for

safety

conditions

that

can

danger

the

service

representative

Information

order

parts

for

the

9332

service

log

record

each

service

event

•

appendix

wiring

diagrams

• A

glossary

terms

and

abbreviations

used

this

manual

•

index

part

numbers

• An

index

key

words

procedures

this

manual

iii

you

need

information

...

See

the

following

9332

manuals

for

information:

• Installing, SA21-9804,

which

contains

procedures

install

remove

the

9332

and

prepare

the

9332

for

operation.

•

Analyzing

Problems, SA21-9837,

which

contains

procedures

analyze

9332

problems.

• Reference Code Guide, SA21-9836,

which

contains

descriptions

the

9332

reference

codes

and

used

identify

field-replaceable

units.

This

product

meets

IBM

safety

standards.

The

following

information

has

been

included

this

publication

for

the

use

and

safety

IBM

personnel.

For

informatio11,

see:

• Electrical Safety for

IBM

Service

Representatives, 8229-8124

•

Safety/Health

Guidelines

for

IBM

Service Representatives, 8241-5493

General

Safety

during

Work

Use

these

rules

ensure

general

safety:

•

Observe

good

housekeeping

the

area

the

machines

during

maintenance

and

after

completing

it.

•

Use

only

field-supply

items

(such

adhesives,

cleaning

fluids,

lubricants,

paints,

and

solvents)

that

have

been

approved

IBM,

that

is,

are

supplied

under

IBM

part

number.

•

When

lifting

any

heavy

object:

Ensure

that

you

can

stand

safely

without

slipping.

Balance

the

weight

the

object

between

your

two

feet.

:J.

Use

slow

lifting

force.

Never

move

suddenly

twist

when

you

attempt

lift.

Lift

standing

pushing

with

your

leg

muscles;

this

action

removes

the

strain

from

the

muscles

your

back.

not

attempt

to lift

any

objects

that

you

thinh

are too heavy for you.

• Do

not

perform

any

action

that

causes

hazards

the

customer

that

makes

the

equipment

unsafe.

•

Put

removed

covers

and

other

parts

safe

place,

away

from

all

personnel,

while

you

are

servicing

the

machine.

Always

keep

your

tool

case

away

from

walk

areas

that

other

persons

will

not

trip

over

it;

for

example,

put

under

desk

table.

• Do

not

wear

loose

clothing

that

can

trapped

the

moving

parts

machine.

Ensure

that

your

sleeves

are

fastened

are

rolled

above

the

elbows.

your

hair

long,

fasten

it.

• Do

not

wear

jewelry,

chains,

metal-frame

eyeglasses,

metal

fasteners

for

your

clothing.

Remember: A

metal

object

lets

current

flow

you

touch

live

conductor.

•

Insert

the

ends

your

necktie

scarf

inside

other

clothing

fasten

the

necktie

with

clip,

preferably

nonconductive,

approximately

centimeters

inches)

from

the

ends.

•

Wear

safety

glasses

when

you

are:

Using

hammer

drive

pins

similar

parts

Drilling

with

power

hand-drill

Using

spring

hooks

attaching

sprmgs

Soldering

parts

Cutting

wire

removing

steel

bands

General

Safety

during

Work

(Continued)

Cleaning

parts

with

solvents,

chemicals,

cleaning

fluids

Working

any

other

conditions

that

might

hazardous

your

eyes.

•

Before

you

start

the

machine,

ensure

that

other

service

representatives

and

the

customer's

personnel

are

not

hazardous

position.

•

After

maintenance,

reinstall

all

safety

devices

such

shields,

guards,

labels,

and

ground

wires.

Exchange

any

safety

device

that

worn

defective

for a

new

one.

Remember:

Safety

devices

protect

personnel

from

hazards.

You

destroy

the

purpose

the

devices

you

not

reinstall

them

before

completing

your

service

call.

•

Reinstall

all

covers

correctly

before

returning

the

machine

the

customer.

Safety

with

Electricity

Observe

these

additional

rules

when

working

equipment

powered

electricity:

•

Find

the

room

emergency

power-off

(EPO)

switch

disconnecting

switch.

electrical

accident

occurs,

you

can

then

operate

the

switch

quickly.

•

not

work

alone

under

hazardous

conditions

near

equipment

that

has

hazardous

voltages.

Always

inform

your

manager

any

possible

problem

you

must

work

alone.

•

Disconnect

all

power:

Before

removing

installing

main

units

Before

working

near

power

supplies

Before

doing

mechanical

inspection

power

supplies

Before

installing

changes

machine

circuits.

•

Before

you

start

work

the

machine,

unplug

the

machine's

power

cable.

you

cannot

unplug

the

cable

easily,

ask

the

customer

switch

off

the

wall

box

switch

that

supplies

power

the

machine,

and

either:

Lock

the

wall

box

switch

the

off

position,

Attach

NOT

OPERATE

tag,

Z229-0237,

the

wall

box

switch.

Note: A

non-IBM

attachment

IBM

machine can

powered

possibly

from

another

source

and

controlled by a different

disconnecting

switch

or circuit

breaker.

you determine

that

this

condition is present, ensure

that

you remove (eliminate)

this

hazard

before you start work.

•

you

need

work

machine

that

has

exposed

electrical

circuits,

observe

the

following

precautions:

Ensure

that

another

person,

who

familiar

with

the

power-off

controls,

near

you.

Remember:

Another

person

must

there

switch

off

the

power,

necessary.

CAUTION

Some

IBM

hand

tools

have

handles

covered

with

soft

material

that

does

not

insulate

you

when

working

with

live

electrical

circuits.

Use

only

those

tools

and

testers

that

are

suitable

for

the

job

you

are

doing.

Use

only

one

hand

when

working

with

powered-on

electrical

equipment;

keep

the

other

hand

your

pocket

behind

your

back.

Remember:

There

must

complete

circuit

cause

electrical

shock.

observing

the

above

rule,

you

may

prevent

current

from

passing

through

the

vital

parts

your

body.

When

using

testers,

set

the

controls

correctly

and

use

the

IBM-approved

probe

leads

and

accessories

intended

for

that

tester.

mat

protect

yourself

from

electric

shock.

Stand

suitable

rubber

mats

(obtained

locally,

necessary)

insulate

you

from

grounds

such

metal

floor

strips

and

machine

frames.

•

Observe

the

special

safety

precautions

when

you

work

with

very

high

voltages;

these

instructions

are

given

IBM

safety

service

memorandums

(SMs)

and

the

safety

sections

maintenance

information.

Use

extreme

care

when

measuring

high

voltages.

•

not

use

tools

testers

that

have

not

been

approved

IBM.

Ensure

that

electrical

hand

tools,

such

power

drills

and

Wire-Wrap'

tools,

are

inspected

regularly.

•

not

use

worn

broken

tools

and

CAUTION

testers.

Many

customers

have,

near

their

equipment,

rubber

floor

mats

that

contain

small

conductive

fibers

decrease

electrostatic

discharges.

not

use

this

wrong

type

Trademark

the

G11rdner-Denver Co.

• Never

assume

that

power

has

been

disconnected

from

circuit.

First,

check

that

has

been

switched

off.

vii

Safety

with

Electricity

(Continued)

•

Always

look

carefully

for

possible

hazards

your

work

area.

Examples

these

hazards

are:

moist

floors,

nongrounded

power

extension

cables,

power

surges,

and

missing

safety

grounds.

•

not

touch

live

electrical

circuits

with

the

glass

surface

plastic

dental

mirror.

The

surface

conductive;

such

touching

can

cause

personal

injury

and

machine

damage.

•

Unless

the

maintenance

information

specifically

lets

you,

not

service

the

following

parts

with

power

them

when

they

are

removed

from

their

normal

operating

places

machine:

Power

supply

units

Pumps

Blowers

and

fans

Motor

generators

and

similar

units.

(This

rule

ensures

correct

grounding

the

units.)

•

electrical

accident

occurs:

Use

caution;

not

become

victim

yourself.

Switch

off

power.

Send

another

person

get

medical

aid.

the

victim

not

breathing,

decide

whether

give

rescue

breathing.

These

actions

are

described

below.

viii

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