3M 9800 Setup guide

3M Visual Systems Division
6801 River Place Boulevard
Austin, Texas 78726-9000
Printed in U.S.A.
3M IPC, 2000. All Rights Reserved
April 2000, 78-6970-5567-7 Rev. D
9800 Overhead Projector
Illustrated Parts Breakdown

IllustratedPartsBreakdown3MtOverheadProjector9800
i
E3M2000
RevisionHistory
Revision barsplacedinthemargins( ) indicatewhere additionsorchangestoapartsidentification list
occurred. Itemsdeletedfromapartsidentification listareindicated on thispageonly. Changestoillustrations
arenot indicated by revision bars, norshowninthisrevision history.
Theoriginal issueofthismanualand subsequentrevisionsareidentifiedasfollows:
Issuedate:9/94
Revision DatePage(s)ChangedChange
OriginalSeptember1994 All pages
Rev.B April 1996 All pages
Rev.CFebruary1997 All pages
RevDApril 2000 All pages
Page 2 Changed partnumberof the Quick Reference
PartsIndex-- Stage Glass from
78-8097-3525-7to 78-8079-8975-7,and the
partnumberof the Interlock Switchfrom
78-8015-5038-1to 78-8073-3039-0, the part
numberof the MicroSwitchfrom
78-8079-8823-9to 78-8079-8855-1, the part
numberof the TripletLensfrom
78-8097-3694-1to 78-8097-3693-3.Added new
Interlock SwitchCover78-8073-3043-2.
Page 5 Changed item3from78-8097-3694-1to
78-8097-3693-3.
Page 9 Changed item2from78-8054-1768-6to
78-8120-2943-3,and item7from
78-8097-3525-7to 78-8079-8975-7.
Page 10 Added item19 toSection 4,ArmAnd Focus
Assemblyart.
Page 11 Added new0A,FocusArmUpgrade Kit
(Europe only) (DY-0210-2704-9),and new0B,
FocusArmUpgrade Kit(78-8054-1820-5).
Changed item2to 2Aand added (metalarm
version).Added newitem2B,FocusArmCap
(78-8120-2930-0).Changed item13 from
78-8079-8960-9to 78-8120-2942-5.Changed
item14 to 14A,and added (metalarmversion).
Added newitem14B,WearPad
(78-8120-2925-0),and newitem19,Standoff
Plate(78-8120-2920-1).
Page 19 Changed item4to“NotAvailable” (Reference
only).

IllustratedPartsBreakdown3MtOverheadProjector9800
ii E3M2000
RevisionHistory(Continued)
Revision DatePage(s)ChangedChange
RevDApril 2000 Page 23 Changed item3from78-8015-5038-1to
78-8073-3039-0,and added newitem20,
Interlock SwitchCover (78-8073-3043-2).
Page 25 Changed item27 from78-8099-8772-6to
78-8097-3649-5.
Page 27 Changed item35 from78-8097-3649-5to
78-8099-8772-6.
Page 31 Changed item3from78-8079-8823-9to
78-8079-8855-1.
Page 36 Added newSection 14,RollerAssembly.

IllustratedParts Breakdown 3MOverhead Projector 9800
iii
3M 2000
Introduction
This Illustrated Parts Breakdown (IPB) contains the
information necessary to locate and identify specific
parts of the 9800 Overhead Projector.
Part Numbers
All components available on a replacement basis are
listed with their 3M identification number. The parts
identification list opposite each illustration provides
the description adequate to identify components.
Locating and Identifying a Part
If physical appearance and general location of an item
are known:
1.Use the Overview illustration to determine which
section includes the item.
2.Refer to the section and locate the item on the
exploded view illustration.
The part identification numbers provided in this
manual are from the most current data available.
Make sure part identification numbers for your
component have not been amended by changes and
updates made to your 9800 Overhead Projector.
Machine Identification Plate
The Machine Identification Plate is located on the
bottom side of each projector and lists specific
information that is needed when calling for technical
assistance or ordering parts.
C1
3M 9800 OVERHEAD PROJECTOR
MODEL 9000AJK
602217
2
1
4
53
9.5
400
36
Figure 1-1.Machine Identification Plate
Ordering Parts
When ordering parts, include part identification
number, description, quantity and the following
information:
1.Product Name: The specific version number of
the projector.
2.Model Number/Alpha Code: The series number of
the projector followed by a three or four character
alpha code identifier. The Alpha Code indicates
the design level, specific product characteristics,
power cord or distribution specific to a country.
3.MFG Code: The date the projector was
manufactured. See example below:
MFG Code
Letter Digit
M 1993 1 Jan – Mar
A 1994 2 Apr – Jun
C 1995 3 Jul – Sep
D 1996 4 Oct – Dec
E 1997 1 Jan – Mar
4.Lamp: The electrical rating of the lamp.
5.S/N: The serial number assigned to this projector.
Revision Bars
Revision bars placed in the margins indicate where
additions or changes occurred. Refer to the Revision
History to identify specific additions and changes.
For part orders contact:
Dealers: Refer to Dealers Guide
3M Subsidiaries: Contact Export Operations
Retail Customers:
FAX: [phone]
Telephone: [phone]

Illustrated Parts Breakdown 3MOverhead Projector 9800
iv 3M 2000
This page intentionally left blank.

3MOverhead Projector 9800 Illustrated Parts Breakdown
1
3M 2000
Table of Contents
Section No. Title Page
0Overview 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1Triplet (Open) Head Assemblies 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2Flip–in Magnifier Assembly 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3Top Cover 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . .
4Arm and Focus Assembly 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5Folding Post and Handle Assembly 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6Version One Base Assembly–(Prior to S/N 623858) 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7Version Two Base Assembly–(S/N 623858 and above) 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8Power Supply Assembly 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9Optical Assembly 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . .
10 Lamp Changer Assembly 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11Control Module 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .
12 Wire Jumpers–(Prior to S/N 623858) 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13 Wire Jumpers–(S/N 623858 and above) 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14 Roller Assembly 36
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . .
Appendix A Specifications 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IMPORTANT NOTICE
3M reserves the right to sell or furnish NEW OR RECONDITIONED PARTS.
New and reconditioned parts are covered by the same 3M new parts limited warranty.

3MtOverheadProjector9800IllustratedPartsBreakdown
2E3M2000
QuickReference Parts Index
SectionItem
DescriptionPartNumber No. No.
ACTUATOR,SwitchButton 78-8064-1515-0 3 3................................................ .. ......
BUTTON,Switch(Plum) (All modelsacceptKorea)78-8079-8974-0 3 17A............................ .. ...
BUTTON,Switch(Korea only) (AHKK)78-8079-9165-4 3 17B...................................... .. ...
CIRCUITBREAKER26-1009-9195-4 6 27..................................................... .. .....
COVER,Switch,Interlock 78-8073-3043-2 8 20................................................. .. .....
CRADLE,Post78-8079-8890-8 5 4........................................................... .. ......
DOOR,LampChanger,LED78-8073-2956-6 3 4............................................... .. ......
FAN,Crossflow,120V78-8097-3642-0 6 5B..................................................... .. ....
FOOT,Mounting 26-1008-5211-5 6 2......................................................... .. ......
GLASS,Stage,Hardened 78-8079-8975-7 3 7.................................................. .. ......
HANDLE ASSEMBLY78-8079-8943-5 5 1.................................................... .. ......
KNOB,Focus78-8064-1601-8 4 16............................................................ .. .....
KNOB,LampChanger (usedinM9800 serialno.615041 and earlier) 78-8079-8880-9 11 5A............... .. ...
KNOB,LampChanger (usedinM9800 serialno.615042 and up)78-8073-2962-4 11 5B.................. .. ...
LAMP,Projection,EVD,400W,36V78-8079-8791-8 9 23......................................... .. .....
LATCH,Cover,Top 78-8079-8768-6 3 12....................................................... .. .....
LENS,Condenser (PriortoS/N623858,also orderSpacer78-8097-3649-5)78-8099-8771-8 9 13......... .. .....
LENS,Flip-inMagnifier (Coated)78-8097-3522-4 2 5........................................... .. ......
LENS,FresnelDoublet,133.8mm 78-8097-3637-0 3 13........................................... .. .....
LENS,Triplet,H.E.A.R.Coated,340mm 78-8097-3693-3 1 3..................................... .. ......
MIRRORASSEMBLY,Triplet,Grey,4mm Mirror78-8079-9227-2 1 9B.............................. .. ....
MIRROR,Hot78-8097-3533-1 9 10........................................................... .. .....
PCB ASSEMBLY,LampChanger (usedinM9800 serialno.615041 and earlier) 78-8079-8889-0 11 10A...... .. ..
PCB ASSEMBLY,LampChanger (usedinM9800 serialno.615042 and up)78-8073-3105-9 11 10B......... .. ..
PCB,Overvoltage,120V78-8097-3536-4 6/7 14B................................................... .. .
POST,Lock 78-8079-8852-8 5 8............................................................. .. ......
POWER CORD,U.S.78-8097-3587-7 8 1F..................................................... .. .....
REFLECTOR(60mm)78-8079-8899-9 9 24..................................................... .. .....
SOCKET,Lamp,Dual78-8054-1770-2 9 19..................................................... .. .....
SPACER,Condenser78-8099-8772-6 9 35...................................................... .. .....
SPACER,Reflector78-8097-3649-5 9 27....................................................... .. .....
SWITCH,Hi/Lo 78-8073-7212-9 6/7 17......................................................... .. ...
SWITCH,Interlock 78-8073-3039-0 8 3....................................................... .. ......
SWITCH,LampChanger/Hi/Lo,Dimmer78-8079-8855-1 11 8..................................... .. .....
SWITCH,Micro 78-8079-8855-1 11 3......................................................... .. .....
SWITCH,On/Off 78-8079-8823-9 10 6......................................................... .. .....
THERMOSTAT,Safety 78-8079-9010-2 11 15.................................................... .. ....
TRANSFORMER,120V78-8097-3534-9 6/7 20B................................................... .. .

3MOverhead Projector 9800 Illustrated Parts Breakdown
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3M 2000
Section 0
OVERVIEW
Triplet (Open) Head
Assembly
(See Section 1)
Flip–in Magnifier Assembly
(See Section 2)
Arm and Focus Assembly
(See Section 4)
Lamp Changer Assembly
(See Section 10) &
Control Module
(See Section 11)
Top Cover
(See Section 3)
Optical Assembly
(See Section 9)
Folding Post
and Handle Assembly
(See Section 5)
Power Supply Assembly
(See Section 8)
Base Assembly
(See Sections 6 and 7)
Wire Jumpers
(See Sections 12 and 13)
Roller Assembly
(See Section 14)

3MOverhead Projector 9800Illustrated Parts Breakdown
43M 2000
Section 1
TRIPLET (OPEN) HEAD ASSEMBLY
4
23
5
6
7
14
8
1
67
9
17
11
13
12
15
14
See Section 4
Arm and Focus Assembly
Rear View
10 16

3MtOverheadProjector9800 IllustratedPartsBreakdown
5
E3M2000
Section1
TRIPLET (OPEN)HEAD ASSEMBLY
Item
No. PartNumber DescriptionQty
0 78-8097-3644-6HEAD ASSEMBLY,Triplet,9800,(includesitems1--8and 14)..... ....... (alsoincludesSection 2,Flip--inMagnifierAssembly)1.................
1(See Note1)NUT,U-Type,8-32 1..... .......... .....................................................
2(See Note1)SCREW,Taptite,M3x6mm,BlackZinc3..... .......... ...................................
3 78-8097-3693-3LENS,Triplet,H.E.A.R.Coated,340mm 1..... ....... ...................................
4 78-8079-9017-7COVER,Head 1..... ....... ........................................................
5(See Note1)SCREW,Taptite,M3.5 x 8 2..... .......... ...............................................
6(See Note1)SCREW,Mach.8-32 x 7/16 1..... .......... ..............................................
7(See Note1)WASHER,Plain,Nylon 1..... .......... .................................................
8 78-8079-9227-2MIRRORASSEMBLY,Triplet,Grey,4mm Mirror1..... ....... ...........................
9JV-0890-0185-1LABEL,Caution (Japan only) (ABKJ)1..... ....... .....................................
10 78-8097-3695-8SPLITHEAD ASSEMBLY KIT(includesitems11--17)1.... ....... .......................
11 78-8097-3658-6BRACKET,Lens,Headmount1.... ....... ...........................................
12 (See Note1)SCREW,Taptite,M4 x 10,Sems2.... .......... ..........................................
13 78-8097-3666-9PAD,Dampener,Head 1.... ....... ..................................................
14 78-8097-3657-8BRACKET,Lens,Triplet1.... ....... ................................................
15 (See Note1)SCREW,Taptite,M3.5 x 12 2.... .......... ..............................................
16 (See Note1)WASHER,Lock,Ext.Tooth 2.... .......... .............................................
17 78-8097-3667-7SPACER,Head 1.... ....... ........................................................
Note1. Orderthe9000 SeriesHardwareRepairKit (78-8054-1818-9).Thiskit containsa completesetofhardwarefor
the9800 O.H.P.

3MOverhead Projector 9800Illustrated Parts Breakdown
63M 2000
Section 2
FLIP–IN MAGNIFIER ASSEMBLY
See Section 4
See Section 1
7
6
5
4
3
2
1
1

3MOverhead Projector 9800 Illustrated Parts Breakdown
7
3M 2000
Section 2
FLIP–IN MAGNIFIER ASSEMBLY
Item
No. Part Number Description Qty
0 (See Note 2) FLIP-IN MAGNIFIER ASSEMBLY 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 (See Note 1) SCREW, Plastite, 6-19 x 3/8 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 (See Note 1) WASHER, Spring 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 78-8095-8269-1 BRACKET, Magnifier Lens, 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 78-8097-3673-5 KNOB, Magnifier 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 78-8097-3522-4 LENS, Flip-in Magnifier (Coated) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 78-8095-8270-9 RETAINER, Lens Magnifier 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 78-8095-8271-7 POST, Magnifier Pivot 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. Order the 9000 Series Hardware Repair Kit (78-8054-1818-9). This kit contains a complete set of hardware for
the 9800 O.H.P.
Note 2. This item is available as an accessory part only. For U.S. (domestic) accessory information, call the 3M
VSD Order Department in Austin at 1-800-328-1063. For European accessory information, fax the 3M
Distribution Services International BV, Breda, Netherlands at 011-31-76-272-022. For international
accessory information, fax the International Order Entry Department in St. Paul at [phone].

3MOverhead Projector 9800Illustrated Parts Breakdown
83M 2000
Section 3
TOP COVER
1
2
3
4
7
8
9
10
11
12
13
14
15
16
1
17
6
18

3MtOverheadProjector9800 IllustratedPartsBreakdown
9
E3M2000
Section3
TOPCOVER
Item
No. PartNumber DescriptionQty
1(See Note1)SCREW,Plastite,6-19 x 5/16 2..... .......... ............................................
2 78-8120-2943-3BRACKET,Hinge(Dual)1..... ....... ................................................
3 78-8064-1515-0ACTUATOR,SwitchButton 1..... ....... .............................................
4 78-8073-2956-6DOOR,LampChanger,LED1..... ....... .............................................
5NotUsed.....
6 78-8079-9022-7LABEL,LampIndicator1..... ....... ................................................
7 78-8079-8975-7GLASS,Stage,Hardened 1..... ....... ................................................
8 78-8097-3532-3COVER,Top 1..... ....... .........................................................
9 78-8097-3681-8BRACKET,Airflow,Top Cover1..... ....... ..........................................
10 (See Note1)SCREW,Plastite,6-19 x 3/8 4.... .......... .............................................
11 78-8005-0481-9SPRING 1.... ....... .............................................................
12 78-8079-8768-6LATCH,Cover,Top 1.... ....... ....................................................
13 78-8097-3637-0LENS,FresnelDoublet,133.8mm 1.... ....... .........................................
14 78-8079-8939-3LABEL,Caution,Lens1.... ....... ..................................................
15 78-8079-8830-4RETAINER,Fresnel1.... ....... ....................................................
16 78-8095-8283-2ACTUATOR,Interlock 1.... ....... ..................................................
17A78-8079-8974-0BUTTON,Switch(Plum) (All versionsexceptKorea)1... ....... .........................
17B78-8079-9165-4BUTTON,Switch(Korea only) (AHKK)1... ....... ...................................
18 JV-0890-0183-6LABEL,Caution (Japan only) (ABKJ)1.... ....... .....................................
Note1. Orderthe9000 SeriesHardwareRepairKit (78-8054-1818-9).Thiskit containsa completesetofhardwarefor
the9800 O.H.P.

3MtOverheadProjector9800IllustratedPartsBreakdown
10 E3M2000
Section4
ARMAND FOCUSASSEMBLY

3MOverhead Projector 9800 Illustrated Parts Breakdown
11
3M 2000
Section 4
ARM AND FOCUS ASSEMBLY
Item
No. Part Number Description Qty
0A DY-0210-2704-9 FOCUS ARM UPGRADE KIT (Europe only) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0B 78-8054-1820-5 FOCUS ARM UPGRADE KIT 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1(See Note 1) SCREW, Taptite, M3.5 x 8 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
278-8073-3289-1 CAP,-Focus Arm 1. . . . . . . . . . . . ..................................................... . .
3A 78-8079-8745-4 GEAR, Focus 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3B 26-1009-4445-8 LUBRICANT AR. . . . . . . . . . . ...................................................... .
4(See Note 1) SCREW, Shoulder 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
526-1009-4515-8 SPRING, Lee 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
678-8079-8740-0 BAR, Pressure 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
778-8079-8743-9 CLAMP, Friction 1. . . . . . . . . . . . ..................................................... .
878-8079-8744-7 RACK, Focus 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9(See Note 1) SCREW, Sems, M4 x 0.7 x 16 . 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 – 11Not Used
12 26-1009-3653-8 CAP, Post (22 mm square) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13 78-8079-8960-9 ARM, Focus 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14 78-8011-1220-8 PAD, Wear 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15 78-8079-9088-8 POST, Folding, Long 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16 78-8064-1601-8 KNOB, Focus 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17 JV-0890-0183-6 LABEL, Caution (Japan only) (ABKJ) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18 78-8054-1713-2 LABEL, Post (Japan only) (ABKJ) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1.Order the 9000 Series Hardware Repair Kit (78-8054-1818-9). This kit contains a complete set of hardware for
the 9800 O.H.P.

3MOverhead Projector 9800Illustrated Parts Breakdown
12 3M 2000
Section 5
FOLDING POST and HANDLE ASSEMBLY
See Section 4
See Section 6
5
6
7
8
9
10
11
12
13
14
4
2
3
1
15

3MOverhead Projector 9800 Illustrated Parts Breakdown
13
3M 2000
Section 5
FOLDING POST and HANDLE ASSEMBLY
Item
No. Part Number Description Qty
1 78-8079-8943-5 HANDLE ASSEMBLY 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 (See Note 1) NUT, Keps, 10-32, External Tooth 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 (See Note 1) SCREW, Plastite, 6-19 x 5/16 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 78-8079-8890-8 CRADLE, Post 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 78-8079-8850-2 BOLT, Pivot 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 78-8079-8846-0 BRACKET, Pivot 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 26-1009-9847-0 SPRING, Compression 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 78-8079-8852-8 POST, Lock 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9 (See Note 1) SCREW, Latch 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 (See Note 1) SCREW, Taptite, M3.5 x 8 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11 (See Note 1) SCREW, Taptite, 10-32 x 5/8 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12 (See Note 1) NUT, Hex, 1/4-20, Elastic Stop Lock 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13 (See Note 1) WASHER 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14 78-8079-8875-9 PIVOT, Post-Mount 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15 78-8073-2971-5 LABEL, NOM (Long) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. Order the 9000 Series Hardware Repair Kit (78-8054-1818-9). This kit contains a complete set of hardware for
the 9800 O.H.P.

3MOverhead Projector 9800Illustrated Parts Breakdown
14 3M 2000
Section 6
VERSION ONE BASE ASSEMBLY
(Prior to S/N 623858)
11
See Section 9
1
2
3
4
56
7
89
10
12
13 14
16 17
18 19
20 21 22
19
23
24
25
26
27
28
29
30
31
32
25
33
34
35
25
21 22
See Section 11

3MOverhead Projector 9800 Illustrated Parts Breakdown
15
3M 2000
Section 6
VERSION ONE BASE ASSEMBLY
(Prior to S/N 623858)
Item
No. Part Number Description Qty
1 (See Note 1) SCREW, Foot 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 26-1008-5211-5 FOOT, Mounting 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 78-8097-3567-9 ISOLATOR, Vibration 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 78-8097-3624-8 TAPE, Heat (Body) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5A 78-8097-3641-2 FAN, Crossflow, 100V (includes items 3 and 6) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5B 78-8097-3642-0 FAN, Crossflow, 120V (includes items 3 and 6) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5C 78-8097-3643-8 FAN, Crossflow, 230V (includes items 3 and 6) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 78-8097-3639-6 TAPE, Insulator 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 78-8003-8728-0 BUSHING 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 (See Note 1) SCREW, Plastite, 6-19 x 5/16 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9 78-8079-8817-1 PIVOT, Cover 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 78-8097-3582-8 SHIELD, Heat 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11 (See Note 1) SCREW, Type AB, 8-18 x 1/4 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12 78-8097-3636-2 INSULATOR, Thermal 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13 26-1009-9680-5 STAND OFF 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14A 78-8097-3569-5 PCB, Overvoltage, 100V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14B 78-8097-3536-4 PCB, Overvoltage, 120V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14C 78-8097-3690-9 PCB, Overvoltage, 127V (Mexico only) (AAKD) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14D 78-8097-3537-2 PCB, Overvoltage, 220V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14E 78-8097-3571-1 PCB, Overvoltage, 230V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14F 78-8097-3577-8 PCB, Overvoltage, 240V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15 Not Used. . . .
16 (See Note 1) NUT, Keps, 6-32 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17 78-8073-7212-9 SWITCH, Hi/Lo 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18 (See Note 1) SCREW, Machine, 6-32 x 3/8 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19 (See Note 1) SCREW, Taptite, M3.5 x 6 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20A 78-8097-3566-1 TRANSFORMER, 100V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20B 78-8097-3534-9 TRANSFORMER, 120V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20C 78-8097-3568-7 TRANSFORMER, 220V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20D 78-8097-3535-6 TRANSFORMER, 230V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20E 78-8097-3570-3 TRANSFORMER, 240V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21 (See Note 1) WASHER, Lock, #10, External Tooth 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22 (See Note 1) SCREW, Taptite, M4 x 60 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23 78-8097-3511-7 BRACKET, Transformer 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24 78-8097-3513-3 BAFFLE, Intake 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25 (See Note 1) SCREW, Taptite, Sems, M4 x 8 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26 78-8005-1420-6 PLUG, Hole 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27 26-1009-9195-4 CIRCUIT BREAKER 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28 78-8032-5192-1 CAP, Plug, Black 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29 (See Note 1) WASHER, Metal 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. Order the 9000 Series Hardware Repair Kit (78-8054-1818-9). This kit contains a complete set of hardware for
the 9800 O.H.P.