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EK-RD31A-IP-001

2000

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Document:	RD31-A Disk Drive Illustrated Parts Breakdown
Order Number:	EK-RD31A-IP
Revision:	001
Pages:	8
Original Filename:

OCR Text

EK-RD31A-[P-001

| LLUSTRATED

RD31-A

PARTS

DISK DRIVE

BREAKDOWN
HOW TO USE THE IPB

ECO Cut-In — The notation at the top of this column indicates the

GENERAL

This IPB 1s compiied following the organization and nomenciature

ECO

level of the system (oputon), at which the IPB was initially

of the engineering drawing structure.

prepared. Subsequent ECO level designations, that modify existing

MAJOR ASSEMBLY LOCATOR

column next to the part that 1s added or modified. A bracket ([)

parts or add new parts to the device, are inserted in the ECO Cut-In

The Major Assembly Locator (first allustration) 1s an index that
provides a description and a figure reference for all illustrations used
in this manual.

preceding the item description 1s used to 'ndicate the parts atfected

by ECO’s.

Vendor Code/Part No. — Indicates vendor parts that are not stocked

INDENTED PARTS LIST

DEC. Refer to the Field Service Spares Catalog (vendor part

This manual 'dentifies each assembly being broken down (figure

number to

breakdown of an assembly 1s shown by an asterisk (*) preceding the
item callouts 1n the Description Column. The number of asterisks

codes assigned in Figure 1. Parts with an Alpha notation(s) are used

reference

callout),

and

all

parts

that

Further

assembly

preceding an item is used to denote the subordination of that item
with respect to the Major Assembly. A single asterisk preceding an

indicates that the item 1s part of the major

item desi:ripuon

assembly being rllustrated.

Items that are subordinate to single

asterisks items, are denoted by two asterisks (**) and immed:ately

follow the related single asterisk item. Additional asterisks are used,

as required, to denote further subordinaton This system of part
identification, provides a means for the user to identity the next
higher assembly item and make alternate selections for parts when
the required replacement part or assembly 1s not immediately

DEC part number) for the vendor code cross-reference.

Used On Code — Letters 1n this column correspond to the variation
only 1n

those option variations. A blank

indicates that the part s

used on all option variations.

Ref

Fig

No.

—

A cross reference between illustrations.

Major Assembly,

the number 1n

the next higher assembly.

For each

this column denotes the figure of

For all subassemblies, the number 1n this

column denotes the figure showing additional detailed breakdown.

SYMBOL USAGE

Hardware Designators — Alpha designators for screws (S), washers
(W), nuts (N), and retaining rings (R) are inserted after the item
number callouts on the illustration when stacked 1tem numbers are

available.

used.

COLUMN CALLOUT DESCRIPTION
Figure & Item — Indicates the figure number and item number of

Attaching Hardware — The @ symbol i1s inserted before any part

each part.

that 1s used as attaching hardware

Attaching hardware is denoted as

Lists the name of the part and pertinent
—
Description
specifications (when required). Asterisks preceding the description
denote the subordination of the part to the next higher assembly

any assembly that is not to be field dismantled

DEC Part No. — Lists the DEC part ordering number. A blank in
this column indicates a DEC part number was not assigned at the

Other Symbols — Any other symbols that are reqguired for kits,
accessories. etc., will be explained and appear as part of the item

time of pubhication.

description

those parts that are not an integral part of the referenced assembly

(NFR) Not Field Repairable — The (NFR) symbol s inserted after

REVISION HISTORY
PRINTING

ECO

OTHER IPB MANUALS REQUIRED
DATE

LEVEL

1st Printing | RD31-A 00000-00000

TO SUPPORT THISOPTION. ...
.. ..

9-25-85

N/A

DEC s not responsihle for errors which mday appear in the technical

descrnipuion Gincluding illustrations and photographs) of the products
DIC

reserves

the

modifications an
muanual

and

night,

without

notice, to make substitutions and

the speaifications of produdcts documented in thas

further

reserves

the

right

products from the market without notice,

withdraw

any

these

covered by this manual.

None

the

granuing of anv

descriptions
hcense

contained

1in

this

manual

imply

the

whatsoever to make, use or sell equipment

constructed in accordance therewith.
Printed

nUS A

dlifgliltla

PARTS LIST

RD31A-01

Figure 1.

RD31-A Disk Drive Assembly

IPB-RD31-A

ECO

FIG.
&

DEC

DESCRIPTION

oo
d WNN -

1—

PART NO.

RD31-A DISK DRIVE

RD31-A

*Device PCB
|
*Standoff
*Screw,Phl Pan Hd No. 6-32 x 5/16

29-25527-00

*Jumper
*Clip, Ground

| *Plate, Skid

RD31-A

USED ON}

REF
FIG

00000

CODE

NO.

CUT-IN

90-00001-39
90-06021-01
12-14314-00
74-28201-01
74-25652-01

d)1igli[t]al1)

IPB-RD31-A

ILLUSTRATED PARTS BREAKDOWN
COMMENT SHEET
Any and all comments and suggestions for correcting errors and/or additional information to improve this manual

will be reviewed and researched for possible use when this manual is revised and/or reprinted. Enter your comments
and suggestions in the form provided below and return to Technical Documentation.

MODEL

RD31-A DISK DRIVE

FIGURE NO.

- PUBLICATION NO.

FIGURE NO.

ITEM NO.

CHANGE FROM

CHANGE TO

CHANGE
TO

FIGURE NO.

ITEM NO.

CHANGE FROM

CHANGE
TO

CHANGE TO

FIGURE NO.

- ITEM NO.

CHANGE FROM

CHANGE TO

‘

EK-RD31A-001

ITEM NO.

ADDITIONAL COMMENT(S)

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Name

Organization

Street

Department

City

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Zip or Country

3 3 1Bl

No Postage

Necessary

if Mailed in the

MAIL
BUSINESS REPLYMAYNARD,
MA.
FIRST CLASS

PERMIT NO.33

POSTAGE WILL BE PAID BY ADDRESSEE

Digital Equipment Corporation
Educational Services
129 Parker Street, PKO3-2/H31
Maynard, MA 01754

United States