IBM 353 Manuale utente

TIJ]5rk1r

Machine

Record I

MACH

SERIAL

NUMBER

VOLTAGE

AcD

CYCLES

DATE

TYPE

DcD

INSTALLED

353

354

SYSTEM

DIAGRAMS

PLANT

INSTALLED

SPECIAL

FEATURES

LEVEL

DESCRIPTION

QTY

DESCRIPTION QTY

FIELD

INSTALLED

SPECIAL

FEATURES

CEM

DIAGRAM

INSTALLED

REMOVED

NO.

S/M

NO.

DESCRIPTION

FEATURE

MAN

NO.

DATE

MAN

NO.

DATE

227-5583-1

(11-62)

Issued to:

________________

Branch Office:

______________

Department:

_______________

Address:

________________

this manual

misplaced,

should

returned to

the

above address.

1710)0

w.r-

t~_!J[~

~l.M..!.

Customer Engineering Reference

Manual

til)

353 Disk Storage

354 Disk Control

@ 1962

International

Business

Machines

Corporation

TIrls

edition,

Form

227-5583-1,

incorporates

major

changes

and

additions

Form

R27-5583-0.

The

latter

form

made

obsolete

these

changes.

Section

this

manual

contains

reference

material

that

specifically

intended

for

the

353 Disk

Storage

and

the

354

Disk

Control.

Most

the

service

checks,

adjust-

ments,

and

removal

and

replacement

procedmes

for

the

353

Disk

Storage

are

the

same

those

for

the

1301 Disk

Storage.

The

procedmes

that

are

the

same

are

not

included

here,

but

are

found

the

1301

Disk

Stor

age

Customer

Engineering

Reference

Manual

(Form

227-5581).

Address

comments

regarding

this

publication

to:

IBM,

Product

Publications

Department,

San

Jose,

California

227-5583-1

(11-62)

Section

227-5583-1 (11-62)

INSTALLATION INSTRUCTIONS

••••••••••••••••

SCHEDULED MAINTENANCE

11tis

section

describes

scheduled

maintenance

objectives

and

procedures.

The

accepted

inspection

routine

given

detail

• • • • • • • • • • • • • • • • • • • • • • •

••

SERVICING PROCEDURES

This

section

includes

adjustments,

removals,

replace-

ments,

waveforms,

levels,

and

performance

tests

machine

areas

and

functional

units.

• • • • • • • • • • • •

••

2. 1

SERVICE AIDS

This

section

contains

specific

trouble

symptoms

and

cures,

scope

aids,

lubrication

charts,

and

servicing

hints.

•••••••••••••••••••••••••••••

3. 1

LOCATIONS

This

section

gives

locations

all

major

components

and

functional

units.

• • • • • • • • • • • • • • • • • • • •

••

4. 1

SPECIAL TOOLS AND SUPPLIES

This

section

lists

and

describes

the

tools

and

supplies

that

are

specifically

designed

for

this

machine

are

necessary

for

proper

servicing

this

machine

• • • • • • •

••

5.1

CONTENTS

SAFETY

Personal

safety

cannot

overemphasized.

ensure

your

own

safety,

make

every

day

practice

safety

precautions

all

times.

Become

familiar

with

and

use

the

safety

practices

outlined

IBM

pocket-

size

cards,

Forms

124-0002

and

M04-8401,

issued

all

Customer

Engineers.

Exercise

caution

when

working

around

moving

parts

the

machine.

Parts

the

body

clothing

near

the

machine

can

cause

accidents

the

machine

starts

unexpectedly.

These

accidents

can

pre-

vented.

Potential

difference

within

the

power

contactor

gate

-48

to +208 v AC.

Potential

difference

within

the

electronic

gates,

printed

cards,

anddisplay

back

pa.nel

-48

v DC

+30 v DC. Do

not

remove

repla.ce

circuit

cards

when

power

on.

not

short

out

bypas

any

safety

feature.

One

such

feature

the

access

cover

door

safety

switch.

not

allow

the

access

run

with

this

door

open

manually

energizing

this

cover

safety

switch.

Also

note

that

although

the

actuator

electronically

interlocked

with

this

door

open,

for

any

reason

the

solenoid

power

goes

off

the

actuator

will

attempt

move

under

hydraulic

pressure.

Access

Mechanism

Because

the

random

and

sometimes

unpredictable

motion

the

access

mechanism,

should

serviced

with

caution.

Shields

and

guards

have

been

provided

which

can

assistance

only

when

firmly

place.

Care

should

taken

remove

the

access

assem-

bly

according

outlined

procedures.

Two

men

must

available

handle

this

unit

since

weighs

approxi-

mately

poundR

and

the

mounting

screws

are

accessible

only

from

the

rear

the

supporting

strut.

Power

Supplies

When a

failure

sensed,

off

sequence

initiated

but

power

remains

the

gate

blowers,

convenience

outlets,

and

disk

drive

motor.

not

depend

this

feature

safety

protection.

Always

use

fusc

pullers

remove

insert

fuses.

Replace

plastic

protective

covers

over

fuses

immedi-

ately

after

replacing

fuse.

The

power

supplies

are

heavy

and

should

removed

with

care.

Remove

line

cord

from

power

receptacle

and

wait

least

seconds

after

power

turned

off

before

attempting

any

repair

adjust-

ment

within

any

power

supply.

High

Voltages

High

voltage

lines

and

connections

exist

many

areas

within

the

machine.

Such

voltages

are

found on

trans-

formers,

terminals,

convenience

outlets,

and

the

like.

Contactor

relays

utilize

high

voltages

their

points.

Check

these

contactor

relays

with

the

power

only

absolutely

necessary,

and

use

extreme

caution.

Power

States

Before

the

file

brought

running

condition

from

the

power

sequence

panel,

may

exist

one

several

states

power

on.

all

cases,

the

following

assumptions

are

made:

The

file

plugged

into

the

wall.

The

wall

plug

the

specified

potential.

Mainline

(70

amp

B.)

switch

OFF.

208-230

volts

present

at:

input

and

output

mainline

filter

input

the

mainline

switch

Mainline

switch

and

CB-2

(30

amp

B. ) ON.

208-230

v AC

present

at:

input

and

output

mainline

filter

input

and

output

mainline

switch

input

and

output

CB-2

input

K-2,

K-3,

K-4

2. 110 v

present

at:

convenience

outlet

TB204,

TB203

24 v

present

at:

TB204

power

sequence

panel

When

working

these

areas,

remove

the

input

power

cord

turn

off

power

customer's

wall

switch.

Remove

packing

material

specified

un-

packing

instructions.

not

install

drawers.

Inspect

machine

for

shipping

damage,

es-

pecially

the

power

contactor

box,

hydraulic

power

supply,

and SMS

gates.

WARNING:

Applying

power

machine

with

loose

damaged

connections

these

areas

can

cause

damage

the

machine

and

its

surrounding

area.

Connect

all

power

cables

from

mechanical

frame

electronic

frame

before

securing

them.

Level

electronic

frame

with

mechani-

cal

frame.

4. Swing

out

the

receiver

(see

Receiver

Swing

Out,

Section

2).

Clean

the

disks

(see

Disk

Cleaning,

Section

2) .

the

drawers

are

installed

(see

Drawer

Replacement,

Section

2),

inspect

the

drawer

and

clean

heads.

These

units

are

adjusted

the

plant

they

will

interchangeable

with

each

other.

7. Swing

receiver

into

the

array

(see

Receiver

Swing-In,

Section

2).

Check

for

binds

load-

ing

mechanism.

Manually

load

and

unload

heads

ensure

correct

alignment.

WARNING:

Never

load

unload

the

heads

when

they

are

out

the

array.

Push

access

fully

into

disk

array

against

inner

crash

stop.

10.

Check

that

the

carriage-way

wipers

are

not

Refer

1301 CE

Heference

Manual

227-5583-1 (11-62)

dry

and

that

the

way

not

dirty.

11.

Replace

actuator

shield.

12.

Before

applying

power,

check

that

the

voltage

outlet

agreos

with

the

amount

shown on

the

nameplate.

13.

Start

disk

drive

motor

and

check

disk

rotation

indicated

arrow

filter

frame.

Turn

electronic

DC,

gate

blowers,

solenoid

DC.

and

hydraulic

power

supply.

WARNING: Do

not

load

the

heads.

14.

Reinspect

drawer

profiles.

15. Allow

the

disk

array

run

(purge)

for

1-1/2

hours

before

the

heads.

16.

Load

heads

for

minutes.

17. Unload

heads

and

turn

machine

off.

Check

rundown

time

disk

array

and

compare

the

run

-down

time

recorded

the decal

the

power

sequence

gate.

Run

-down

time

installation

should

not

shorter

than

recorded

time

minus

four

minutes.

18.

After

the

disks

have

come

complete

stoP.

remove

the

access

cover

and

again

inspect

and

clean

heads

and

disks.

19.

Manually

load

and

unload

heads

ensure

correct

alignment.

20.

Replace

actuator

shield.

21.

Purge

system

for

minutes

before

heads.

22.

Reinspect

the

heads

and

disks

again

the

end

the

first,

second

and

third

week

operation.

After

that

time

refer

the

Scheduled

Maintenance

Routine

Chart

Section

for

correct

inspection

frequency.

Installation

Instructions

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