Service Reference
A-dec 311, 411, and 511 Dental Chairs
Copyright
Regulatory Information
© 2014 A-dec Inc. All rights reserved.
A-dec Inc. makes no warranty of any kind with regard to this material, including, but
not limited to, the implied warranties of merchantability and tness for a particular
purpose. A-dec Inc. shall not be held liable for any errors contained herein or any
consequential or other damages concerning the furnishing, performance or use of
this material. e information in this document is subject to change without notice.
If you nd any problems in the documentation, please report them to us in writing.
A-dec Inc. does not warrant that this document is error-free.
No part of this document may be copied, reproduced, altered, or transmitted in any
form or by any means, electronic or mechanical, including photocopying, recording,
or by any information storage and retrieval system, without prior written permission
from A-dec Inc.
Trademarks and Additional Intellectual Property Rights
A-dec, the A-dec logo, A-dec 500, A-dec 300, Cascade, Cascade Master Series,
Century Plus, Continental, Decade, ICX, ICV, Performer, Preference, Preference
Collection, Preference ICC, and Radius are trademarks of A-dec Inc. and are
registered in the U.S. and other countries. A-dec 400, A-dec 200, Preference
Slimline, and reliablecreativesolutions are also trademarks of A-dec Inc. None of
the trademarks or trade names in this document may be reproduced, copied, or
manipulated in any manner without the express, written approval of the trademark
owner.
Certain touchpad symbols are proprietary to A-dec Inc. Any use of these symbols,
in whole or in part, without the express written consent of A-dec Inc. is strictly
prohibited.
Product Service
For service information, contact your local authorized A-dec dealer. To nd your
local dealer, go to www.a-dec.com.
e Regulatory Information and Specications document (p/n 86.0221.00) is delivered
with A-dec dental device equipment as mandated by agency requirements. If you need
this information, please go to the Document Library at www.a-dec.com. is document
includes:
• Serial number identication
• Soware revisions
• Deluxe touchpad help messages
• Intended application and use statements
• Identication of symbols
• Environmental specications
• Classication of equipment
• Electrical rating and electromagnetic information
• Chair load capacity
Service Guide
is document is a companion to the A-dec 311, 411, and 511 Dental Chairs Service
Guide (p/n 86.0380.00). e Service Guide contains service, adjustments, maintenance,
and troubleshooting information for the 311, 411, and 511 dental chairs. Circuit board
components and ow diagrams are available in both the Service Guide and the Service
Reference.
Other A-dec Service Documents
e A-dec 300, 400, and 500 Delivery Systems Service Guide (p/n 86.0382.00) contains
service, maintenance, and troubleshooting content. e A-dec 300, 400, and 500 Delivery
Systems Service Reference (p/n 86.0383.00) contains illustrated parts breakdown content.
Circuit board components and ow diagrams are in both documents. ese documents
include cuspidors, oor boxes, and support centers.
e A-dec Dental Lights and Monitor Mounts Service Guide (p/n 86.0326.00) contains
service, maintenance, and troubleshooting content for A-dec dental lights and monitor
mounts. e A-dec Dental Lights and Monitor Mounts Service Reference (p/n 86.0328.00)
contains illustrated parts breakdown content. Circuit board components and ow
diagrams are in both documents.
Illustrated Parts Breakdown — A-dec Dental Chairs
Chair Circuit Boards
page 3
page 126
A-dec 411 Dental Chair
Chair Flow Diagrams
A-dec 511 Dental ChairA-dec 311 Dental Chair
page 43 page 91
page 123
86.0381.00 Rev A 1
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — A-dec Dental Chairs | 2
Illustrated Parts Breakdown — 311 Chair
Three Piece
Utility Covers
page 8
Upper Chair
Mid Chair
Lower Chair
page 11
page 25
page 33
Lift Arm Covers
One Piece Utility
Cover
page 6
Remote Floor
Box Cover
page 7
page 4
page 1
86.0381.00 Rev A 3
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 4
311 Lift Arm Covers
page 3
Upper Assistant’s
Lift Arm Cover
1
Upper Lift
Arm Cover
2
3
311 Lift Arm Covers
Item Part Number Description Replacement Kit
1 62.0662.00 †
62.0651.00
2 62.0652.00 † Lift arm cover Part of 90.1266.00
3 62.0653.00 † Lower lift arm cover Part of 90.1266.00
† Indicates that the individual part is not available for sale
Upper lift arm cover
Upper assistant’s lift arm cover
Part of 90.1266.00
--
page 3
86.0381.00 Rev A 5
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 6
311 One Piece Utility Cover
Item Part Number Description
1 62.0296.00 Utility cover
2 62.0347.00 Plug cover
3 62.0348.00 Umbilical plug cover
4 62.0300.00 Utility cover stiffener
1
page 3
2
2
3
4
311 Remote Floor Box Covers (Optional)
Item Part Number Description
1 41.0413.00
41.0413.01
2 41.1507.00 Box
Cover, Surf
Cover, Gray
1
2
page 3
86.0381.00 Rev A 7
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 8
311 Three Piece Utility Covers
2 3
1
page 3
4
1
5
311 Three Piece Utility Covers
Item Part Number Description
1 62.0347.00 Plug cover
2 62.0657.00 Chair pump cover
3 62.0663.00 Radius mount plug cover
4 62.0656.00 Power supply cover
5 62.0655.00 Floor box cover
6 62.0659.00 Power supply frame
7 62.0658.00 Floor box frame
page 3
86.0381.00 Rev A 9
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 10
311 Upper Chair
Back Support
Armrest (Before
October 2012)
Armrest (Effective
October 2012)
Armrest (Effective
February 2014)
page 16
page 18
page 20
page 22
page 12
Thin-Line Back with
Integrated Neck Support
page 13
Thin-Line Back with
Headrest
page 14
Double Articulating
Headrest Mechanism
page 3
86.0381.00 Rev A 11
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 12
311 Thin-Line Back With Integrated Neck Support
Item Part Number Description
1 62.0405.00 †
62.0877.00
Neckrest assembly - Before September 2013 (for reference only)
Neckrest assembly - Effective September 2013
† Indicates that the individual part is not available for sale
1
(Before September 2013)
page 16
(Effective September 2013)
Back Support
311 Upper Chair Contents
page 11
page 3
311 Thin-Line Back with Headrest (311/411)
Item Part Number Description
1 62.0631.01 Double articulating headrest (headrest cushion not included)
1
Back Support
311 Upper Chair Contents
page 11
page 3
86.0381.00 Rev A 13
page 16
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 14
311 Double-Articulating Locking Knob Headrest Mechanism (311/411)
7
1
2 2
8
4 5
6
7
3
311 Upper Chair Contents
page 11
page 3
311 Double Articulating Locking Knob Headrest Mechanism (311/411)
p/n 62.0631.01
Item Part Number Description Replacement Kit
1 62.0427.00 † Knob assembly Part of 90.1221.00 Knob kit
2 004.136.00 Thrust washer Part of 90.1221.00 Knob kit
3 016.033.00 Thrust needle bearing Part of 90.1221.00 Knob kit
4 62.0749.00 † Clamp plate Part of 90.1221.00 Knob kit
5 014.015.00 † Threaded insert
6 001.191.01 Hex head screw, GR8 5/8-18 x 3-1/4
7 62.0429.00 Side cap
8 030.012.00 O-ring
† Indicates that the individual part is not available for sale
311 Upper Chair Contents
page 11
page 3
86.0381.00 Rev A 15
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 16
311 Back Support (311/411/511)
1
2
3
4
5
9
6
7
8
311 Upper Chair Contents
page 11
page 3
311 Back Support (311/411/511)
Item Part Number Description Replacement Kit
1 001.244.00 JCB socket screw, 1/4-20 x 15 mm
2 005.138.01 Button head socket path screw, 10-32 x 5/16
3 62.0104.00 † Bracket 90.0719.00 Glide bar brake kit
4 62.0103.00 Upper wear pad
5 62.0102.00 Lower wear pad
6 007.158.00 Set screw, 1/4-20 x 1
7 006.144.00 Coupling
8 62.0048.01 † Back support, White 90.1099.01 00 Support back assembly
9 001.245.00 Screw
† Indicates that the individual part is not available for sale
311 Upper Chair Contents
page 11
page 3
86.0381.00 Rev A 17
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 18
311 Armrest (Before October 2012)
Replacement Kit for item 1
and 4 - see table
4
3
2
Hardware Kit, part
of replacement kit see table
311 Upper Chair Contents
page 11
page 3
1
2
5 6
6
7
5
8
8
7
311 Armrest (Before October 2012)
Item Part Number Description Replacement Kit
1 90.1222.00 † Armrest, right (reference only) 90.1389.00 311 Armrests kit
61.3861.00 Armrest hardware kit
2 001.263.00 Flat head socket screw, 5/16-18 x 1-1/2
3 62.0339.00 † Pivot pin 90.1389.00 311 Armrests kit
61.3861.00 Armrest hardware kit
4 90.1223.00 † Armrest, left (reference only) 90.1389.00 311 Armrests kit
61.3861.00 Armrest hardware kit
5 016.047.00 † Flanged bearing 90.1389.00 311 Armrests kit
61.3861.00 Armrest hardware kit
6 62.0393.00 † Collar 90.1389.00 311 Armrests kit
61.3861.00 Armrest hardware kit
7 001.264.00 † Socket cup head screw, 1/4-28 x 1/2 90.1389.00 311 Armrests kit
61.3861.00 Armrest hardware kit
8 007.056.00 Setscrew
† Indicates that the individual part is not available for sale
311 Upper Chair Contents
page 11
page 3
86.0381.00 Rev A 19
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 20
311 Armrest (Effective October 2012 Through January 2014)
Replacement Kit for item 1 - see table
Hardware Kit for
item 1 - see table
1
311 Upper Chair Contents
page 11
page 3
1
2
4
5
6
3
7
4
5
2
7
3
6
311 Armrest (Effective October 2012 Through January 2014)
Item Part Number Description Replacement Kit
1 90.1389.00 Armrest assemblies, right and left 61.3875.00 Armrest cap replacement kit
61.3861.00 Armrest hardware kit
2 001.263.00 Flat head socket screw, 5/16-18 x 1-1/2
3 62.0812.00 Pivot pin
4 016.047.00 Flanged bearing
5 62.0819.00 Collar
6 001.264.00 † Socket cup head screw, 1/4-28 x 1/2
7 007.056.00 Setscrew
† Indicates that the individual part is not available for sale
311 Upper Chair Contents
page 11
page 3
86.0381.00 Rev A 21
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 22
311 Armrest (Effective February 2014)
1
11
2
3
4
311 Upper Chair Contents
page 11
page 3
3
8
3
5
7
6
9
10
311 Armrest (Effective October 2012)
Item Part Number Description Replacement Kit
1 61.3903.00 311/200 Armrest cap assembly 90.1434.00 311 Armrest cover/replacement kit
2 61.2630.00 Spacer
3 005.110.00 Screw
4 62.0815.00 † Right side armrest weldment Part of 62.0835.00 assembly
5 001.264.00 Screw
6 62.0819.00 Collar
7 007.056.000 Setscrew
8 001.263.00 Screw
9 62.0812.00 Pivot
10 016.047.00 Sleeve bearing
11 62.0814.00 † Left side armrest weldment Part of 62.0834.00 assembly
† Indicates that the individual part is not available for sale
311 Upper Chair Contents
page 11
page 3
86.0381.00 Rev A 23
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 24
311 Mid Chair
page 3
Upper Structure
page 26
LIft Arm
page 30
page 28
Back Tilt
86.0381.00 Rev A 25
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 26
311 Upper Structure
2
3
4 5
1
2
4
6
5
3
page 28
Back Tilt
6
9
10
311 Mid Chair Contents
page 25
page 3
11
7
11
8
9
10
311 Upper Structure
Item Part Number Description
1 62.0247.00 † Upper structure
2 018.050.00 Hole plug
3 62.0311.00 Roller cam
4 010.031.01 Retaining ring
5 62.0309.00 † Pin
6 018.002.06 Hole plug
7 62.0315.00 Toe board pin
8 010.040.01 Retaining ring
9 62.0367.00 † Retainer
10 001.089.00 Screw
11 001.165.00 Socket shoulder screw
† Indicates that the individual part is not available for sale
311 Mid Chair Contents
page 25
page 3
86.0381.00 Rev A 27
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 28
311 Back Tilt
1
3
2
4
5
3
3
4
10
2
4
5
7
6
9
11
8
6
7
311 Mid Chair Contents
page 25
page 3
311 Back Tilt
Item Part Number Description Replacement Kit
1 62.0352.00† Back pivot
2 016.162.00 Bearing, ange
3 010.040.01 E-ring
4 62.0315.00 Pin, toeboard, short
5 62.0290.00 † Seat lift cam
6 62.0351.00 Roller
7 010.040.01 E-ring
8 002.010.00 Screw, socket head, patch, 1/4 - 20 x 3/8"
9 62.0226.00 † Tilt actuator assembly Part of 90.1228.00 Tilt actuator assembly kit
10 62.0263.00 † Trolley pin, long
11 90.1183.00 Tilt position sensor
† Indicates that the individual part is not available for sale
311 Mid Chair Contents
page 25
page 3
86.0381.00 Rev A 29
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 30
311 Lift Arm
1
3
9
2
7
4
2
6
5
311 Mid Chair Contents
page 25
page 3
8
311 Lift Arm
Item Part Number Description
1 90.1183.00 Position sensor kit
2 002.010.00 Socket head 1/4-20 x 3/8 patch screw
3 62.0244.00 † Lift arm
4 025.072.00 Cable tie mounting block
5 016.164.00 Brg, ange, nylon, 5/8" ID x 5/8 Lg
6 001.165.00 Screw, socket shoulder, 1/2 - 13 x 5/8" x 5/8"
7 62.0350.00 Pin
8 001.089.00 Socket head 1/4-20 x 5/8 screw
9 62.0312.00 † Bracket
† Indicates that the individual part is not available for sale
311 Mid Chair Contents
page 25
page 3
86.0381.00 Rev A 31
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 32
311 Lower Chair
Lift Cylinder/Base
page 3
86.0381.00 Rev A 33
page 34
page 36
Hydraulic Pump and
Manifold
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 34
311 Lift Cylinder and Chair Base
1
19
18
10
4
2
17
15
3
14
311 Lower Chair Contents
page 33
16
13
12
20
21
5
6
7
8
page 126
Circuit Board
3
page 36
Hydraulic Motor Pump
9
page 40
9
10
Power Supply
11
page 3
311 Lift Cylinder and Chair Base
Item Part Number Description Replacement Kit
1 62.0249.00 † Link
2 62.0271.00 † Tower
3 002.135.01 Socket head patch screw, 10-32 x 1/2
4 001.164.00 Socket shoulder bolt, 1/2-13 x 5/8 x 5/8
5 016.164.00 Flanged bearing
6 002.042.01 Socket head screw, 3/8-16 x 1/2
7 62.0626.00 Bottle
8 004.091.00 Washer
9 001.089.00 Socket head screw, 1/4-20 x 5/8
10 004.043.00 Washer
11 62.0300.00 Stiffner
12 002.120.00 Socket head patch screw
13 62.0131.00 Strain relief
14 037.046.00 † Stand off pin
15 62.0415.00 † Motor wires cover
16 62.0377.00 Lower lift cylinder pin
17 62.0376.00 Bearing block
18 002.082.03 Socket head screw, 1/4-20 x 1-1/2
19 62.0368.00 † Lift cylinder 90.1267.010 Lift cylinder kit
20 001.231.00 †
003.101.00
21 62.0285.00 Cleat
Hex head anchor bolt, 1/2 x 3-3/4
Lag bolt, 1/2
90.1161.00 Mounting kit, oor, 300
† Indicates that the individual part is not available for sale
311 Lower Chair Contents
page 33
page 3
86.0381.00 Rev A 35
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 36
311 Hydraulic Pump and Manifold
1
page 38
3
4
5
Hydraulic Manifold
2
311 Lower Chair Contents
page 33
page 3
311 Hydraulic Pump and Manifold
Item Part Number Description Kit Replacement
1 61.3126.00 †
61.3127.00 †
2 62.0380.00 † Motor pump tray 90.1429.00 120 V Hydraulic pump kit
3 62.0626.00 Overow bottle
4 62.0394.00 Hydraulic hose assembly, straight 90°, 13" long
5 004.091.00 Lock washer
† Indicates that the individual part is not available for sale
Motor pump assembly (100/115 V)
Motor pump assembly (240 V)
90.1429.00 120 V Hydraulic pump kit
90.1430.00 240 V Hydraulic pump kit
90.1430.00 240 V Hydraulic pump kit
311 Lower Chair Contents
page 33
page 3
86.0381.00 Rev A 37
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 38
311 Hydraulic Manifold
1
2
3
4
13
311 Lower Chair Contents
page 33
page 3
12
5
6
7
11
10
9
8
311 Hydraulic Manifold
p/n 62.0402.01 (part of 90.1429.00 100-120 V / 90.1430.00 240 V hydraulic pump kit)
Item Part Number Description
1 021.111.00 † Elbow with O-rings, 7/16"
2 61.0464.00 Manifold screen, inlet
3 022.014.01 Nut, with sleeve, 3/8" poly
4 022.065.00 † Adaptor, 3/8" poly x 1/8" MPT
5 62.0389.00 † Manifold
6 61.0460.00 Flow adjustment screw, with O-ring
7 002.118.02 Screw, button head socket, patch, 4-40 x 3/16", package of 5
8 018.057.00 Plug, 3/16" expanding
9 022.049.00 Straight tting with O-ring
10 013.044.00 Spring, compression, .250 OD x .40 FL
11 61.0461.01 Stem, with O-rings, check valve
12 62.0317.00 Solenoid assembly
13 030.015.02 O-ring AS568-015, .551ID X.070W, package of 10
† Indicates that the individual part is not available for sale
311 Lower Chair Contents
page 33
page 3
86.0381.00 Rev A 39
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 40
311 Power Supply (311/411)
1
5
4
311 Lower Chair Contents
page 33
page 3
2
3
311 Power Supply (311/411)
p/n 90.1178.00 100 V / 90.1179.00 110-120 V / 90.1180.00 220-240 V
Item Part Number Description Replacement Kit
1 43.0265.00 †
43.0266.00 †
43.0267.00 †
2 90.1082.00 Standoff, package of 5
3 90.1177.00 Chair circuit board kit
4 90.1198.00
90.1199.00
90.1200.00
5 002.010.00 Socket head patch screw, 1/4-20 X 3/8
† Indicates that the individual part is not available for sale
300 W 100 V Power supply assembly
300 W 120 V Power supply assembly
300 W 240 V Power supply assembly
Motor capacitor, 100 V kit
Motor capacitor, 110-120 V kit
Motor capacitor, 220-240 V kit
90.1178.00 - 100 V Power supply kit
90.1179.00 - 120 V Power supply kit
90.1080.00 - 240 V Power supply kit
311 Lower Chair Contents
page 33
page 3
86.0381.00 Rev A 41
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 311 Chair | 42
Illustrated Parts Breakdown — 411 Chair
Lower
Chair
Covers
page 44
Mid Chair
Lower Chair
page 69
page 77
page 47
Upper Chair
Lower
Chair
Covers
page 44
Lower
Chair
Covers
page 1
86.0381.00 Rev A 43
page 44
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 44
411 Lower Chair Covers
page 58
6
5
page 56
4
Right Hand/Left Hand
Upper Side Covers
Chair Trolley/
Upper Cover
1
2
3
page 43
411 Lower Chair Covers
Item Part Number Description Replacement Kit
1 62.0081.01 Lift arm cover
2 62.0080.01 Motor pump cover
3 62.0101.01 Pump cover plug
4 62.0084.01 Chair stop plate
5 62.0765.00 Swivel cover
6 62.0786.00 † Rear cover assembly (2 piece cover assembly) 90.1417.00 Upper structure cover kit
† Indicates that the individual part is not available for sale
page 43
86.0381.00 Rev A 45
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 46
411 Upper Chair
Back Support
Armrest
page 52
page 56
page 48
Upper Structure
page 54
Locking Knob
Headrest
page 50
Lever Release
Headrest
page 43
86.0381.00 Rev A 47
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 48
411 Double-Articulating Locking Knob Headrest (311/411)
7
1
2 2
8
4 5
6
7
3
411 Upper Chair Contents
page 47
page 43
411 Locking Knob Headrest (311/411)
p/n 62.0631.01
Item Part Number Description Replacement Kit
1 62.0427.00 † Knob assembly Part of 90.1221.00 Knob kit
2 004.136.00 Thrust washer Part of 90.1221.00 Knob kit
3 016.033.00 Thrust needle bearing Part of 90.1221.00 Knob kit
4 62.0749.00 † Clamp plate Part of 90.1221.00 Knob kit
5 014.015.00 † Threaded insert
6 001.191.01 Hex head screw, GR8 5/8-18 x 3-1/4
7 62.0429.00 Side cap
8 030.012.00 O-ring
† Indicates that the individual part is not available for sale
411 Upper Chair Contents
page 47
page 43
86.0381.00 Rev A 49
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 50
411 Lever Release Headrest (411/511)
6
7
1
2
8
3
9
4
411 Upper Chair Contents
page 47
page 43
5
411 Lever Release Headrest (411/511)
Item Part Number Description Replacement Kit
1 035.049.01 O-ring, E, .115 ID x .07 W, package of 10
2 90.1092.01
90.1092.00
3 001.042.01 Screw, socket head, 6-32 x 1/2", stainless steel, patch 90.1092.01 Headrest cushion cover, white
4 62.0021.00 Bearing, slider, headrest cushion 90.1092.01 Headrest cushion cover, white
5 90.1091.01
90.1091.00
6 62.0094.00 Bearing, slider, brake, headrest 90.1092.01 Headrest cushion cover, white
7 013.005.00 Spring 90.1092.01 Headrest cushion cover, white
8 62.0141.01
62.0141.00
9 001.021.00 Screw, socket head, 4-40 x 1/2", stainless steel
Cover, headrest cushion, white
Cover, headrest cushion, surf
90.1092.00 Headrest cushion cover, surf
90.1092.00 Headrest cushion cover, surf
Headrest assembly, white (includes items 3, 4, 6, 7 and 8)
Headrest assembly, surf (includes items 3, 4, 6, 7 and 8)
90.1092.00 Headrest cushion cover, surf
90.1092.00 Headrest cushion cover, surf
Cap, headrest, white
Cap, headrest, surf
411 Upper Chair Contents
page 47
page 43
86.0381.00 Rev A 51
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 52
411 Back Support (311/411/511)
2
1
6
7
8
3
4
5
411 Upper Chair Contents
page 47
page 43
9
411 Back Support (311/411/511)
Item Part Number Description Replacement Kit
1 001.244.00 JCB socket screw, 1/4-20 x 15 mm
2 005.138.01 Button head socket path screw, 10-32 x 5/16
3 62.0104.00 † Bracket 90.0719.00 Glide bar brake kit
4 62.0103.00 Upper wear pad
5 62.0102.00 Lower wear pad
6 007.158.00 Set screw, 1/4-20 x 1
7 006.144.00 Coupling
8 62.0048.01 † Back support, White 90.1099.01 01 Support back assembly
9 001.245.00 Screw
† Indicates that the individual part is not available for sale
411 Upper Chair Contents
page 47
page 43
86.0381.00 Rev A 53
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 54
411 Upper Structure
Chair Trolley
2
4
3
page 58
3 2 4
1
1
1
5
6
411 Upper Chair Contents
page 47
page 43
5
page 62
Front Mount
411 Upper Chair Structure
Item Part Number Description
1 010.031.01 Retaining clip
2 62.0067.00 Roller
3 62.0728.00 LIft cam
4 62.0185.00 Spring support
5 62.0754.00 Roller
6 62.0069.00 Axle
411 Upper Chair Contents
page 47
page 43
86.0381.00 Rev A 55
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 56
411 Chair Armrest
4
12
5
11
2
10
1
11
2
4
3
12
1
8
6
7
8
67
5
9
411 Upper Chair Contents
page 47
page 43
14
9
13
411 Chair Armrest
Item Part Number Description Replacement Kit
1 62.0828.00 Upper armrest cover 90.1401.00, Armrest cover kit
2 62.0830.00 † Armature 90.1401.00, Armrest cover kit
3 62.0785.00 † Armrest frame, left 90.1402.00 Left armrest kit
4 005.012.03 Button, socket head, patch screw, 10-32 x 3/8 90.1401.00, Armrest cover kit
5 62.0829.00 Lower armrest cover 90.1401.00, Armrest cover kit
6 005.181.00 Socket head cap screw, 7/16-14 x 1-1/2
7 002.166.00 Socket head screw, 10-32 x 3/4 (black)
8 62.0780.00 † Mount 90.1400.00 Armrest mount kit
9 002.158.00 Socket head screw, 3/8-16 x 1/2, GR8
10 62.0784.00 Armrest frame, right 90.1403.00 Right armrest kit
11 62.0831.00 Foam
12 004.230.00 Washer 90.1401.00, Armrest cover kit
13 62.0768.00 Right hand upper side cover 90.1398.00 Kit, side cover, right
14 62.0767.00 Left hand upper side cover 90.1397.00 Kit, side cover, left
† Indicates that the individual part is not available for sale
411 Upper Chair Contents
page 47
page 43
86.0381.00 Rev A 57
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 58
411 Chair Trolley
2
page 66
Back Position Sensor
19
18
2
20
2
4
5
12
13
14
17
16
7
8
9
10
6
1
11
15
3
4
5
13
14
16
17
8
9
7
10
6
411 Upper Chair Contents
page 47
page 43
411 Chair Trolley
Item Part Number Description Replacement Kit
1 001.138.00 1/4-20 X 1/2 Pan head Phillips screw
2 002.010.00 1/4-20 X 3/8 Socket head patch screw
3 62.0846.00 Chair trolley
4 62.0070.00 Guide
5 001.245.00 Socket head cap screw, 1/4-20 x 3/4
6 62.0061.00 Guide
7 62.0775.00 †
62.0774.00 †
8 002.120.00 Socket head patch screw, 1/4-20 x 1 90.1404.00 Seat attach bracket kit
9 010.083.00 E-ring
10 62.0202.00 Slider shoulder bolt
11 62.0189.00 Spacer
12 62.0858.00 Pin
13 010.040.00 E-ring
14 62.0760.00 Compression spring
15 62.0761.00 Pin
16 001.277.00 Socket shoulder screw, 3/8-16 X 1/2 X 3/4
17 62.0844.00 † Flange bushing
18 62.0771.00 Upper cover bottom
19 62.0772.00 Upper cover top
20 62.0726.00 † Tilt actuator 90.1406.00 Tilt actuator assembly Kit
Seat attach bracket kit (includes items 8 and 9) 90.1404.00 Seat attach bracket kit
† Indicates that the individual part is not available for sale
411 Upper Chair Contents
page 47
page 43
86.0381.00 Rev A 59
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 60
411 Upper Structure
Front Mount
page 62
1
2
3
4
5
6
7
8
411 Upper Chair Contents
page 47
page 43
2
411 Upper Structure
Item Part Number Description
1 61.2051.00 Spanner nut
2 016.033.00 Thrust needle bearing
3 62.0237.00 Wear ring
4 005.008.01 1/4-20 x 1/2 Socket head screw
5 004.170.00 Washer
6 62.0218.01 Brake handle assembly
7 62.0727.00 † Upper structure casting
8 62.0042.00 Brake adjuster
† Indicates that the individual part is not available for sale
411 Upper Chair Contents
page 47
page 43
86.0381.00 Rev A 61
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 62
411 Front Mount
3
page 64
7
4
Back Stop Switch
2
1
6
411 Upper Chair Contents
page 47
page 43
5
411 Front Mount
Item Part Number Description Replacement Kit
1 011.140.00 Detent pin 90.1388.00 Rotation stop Kit
2 005.154.00 Socket head cap screw, 3/8-16 x 2-1/4
3 002.010.00 Socket head patch screw, 1/4-20 x 3/8 stainless steel
4 77.1170.00 Stop
5 006.130.00 Hex nut, 3/8-16 x 9/16 x 21/64
6 77.1258.00 Rotation stop sleeve 90.1388.00 Rotation stop Kit
7 62.0764.00 † * Front mount
* Item is factory installed and is not removable
† Indicates that the individual part is not available for sale
411 Upper Chair Contents
page 47
page 43
86.0381.00 Rev A 63
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 64
411 Back Stop Switch
5
7
1
3
4
411 Upper Chair Contents
page 47
page 43
2
6
411 Back Stop Switch
Item Part Number Description Replacement Kit
1 002.010.00 Socket head patch screw, 1/4-20 x 3/8 stainless steel 90.1426.00 Back stop switch kit
2 62.0759.00 † Bracket
3 044.204.00 † Micro-switch 90.1426.00 Back stop switch kit
4 001.021.00 Socket head screw, 4-40 x 1/2 stainless steel 90.1426.00 Back stop switch kit
5 025.036.01 Cable tie, package of 10
6 025.002.01 Cable tie, package of 10
7 43.0330.00 Electric cable
† Indicates that the individual part is not available for sale
411 Upper Chair Contents
page 47
page 43
86.0381.00 Rev A 65
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 66
411 Position Sensor
2 3 4
1
5
6
7
411 Upper Chair Contents
page 47
page 43
411 Position Sensor
p/n 90.1399.00
Item Part Number Description Replacement Kit
1 002.140.00 1/4-20 Special shoulder screw 90.1399.00 Tilt retain cable kit
2 62.0773.00 † Cable retainer 90.1399.00 Tilt retain cable kit
3 62.0335.00 † Bracket
4 90.1082.00 Standoff, package of 5 Included in 90.1183.00 Lift Cylinder Kit
5 43.0102.00 Circuit board Included in 90.1183.00 Lift Cylinder Kit
6 018.112.00 † Bushing strain relief Included in 90.1183.00 Lift Cylinder Kit
7 002.010.00 6-32 X 2-3/4 Socket head screw Included in 90.1183.00 Lift Cylinder Kit
† Indicates that the individual part is not available for sale
411 Upper Chair Contents
page 47
page 43
86.0381.00 Rev A 67
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 68
411 Mid Chair
Lift Arm and
Swivel
page 43
86.0381.00 Rev A 69
page 70
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 70
411 Lift Arm and Swivel
Lift Position Switch
page 72
4 3
4
10
2
1
3
3
4
5
6
7
8
page 74
Hydraulic Reservoir
411 Mid Chair Contents
page 69
page 43
43
411 Lift Arm and Swivel
Item Part Number Description Replacement Kit
1 62.0729.00 † Swivel mount
2 62.0045.00 † Swivel
3 004.148.00 Washer
4 001.165.00 Socket shoulder screw
5 62.0077.00 Link arm pin
6 010.031.00 Retaining ring
7 62.0089.01 † Lift arm
8 025.036.01 Cable tie, package of 10
10 005.008.01 Socket head screw, 1/4-20 x 1/2
† Indicates that the individual part is not available for sale
411 Mid Chair Contents
page 69
page 43
86.0381.00 Rev A 71
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 72
411 Lift Position Switch
1
3
4
411 Mid Chair Contents
page 69
page 43
5
2
411 Lift Position Switch
Item Part Number Description Replacement Kit
1 62.0335.00 † Bracket
2 018.112.00 † Strain relief 90.1183.00 Position sensor
3 002.010.00 Screw, socket head patch, 1/4 - 20 x 3/8
4 041.662.00 † Standoff
5 43.0102.00 † Position sensor circuit board 90.1183.00 Position sensor
† Indicates that the individual part is not available for sale
411 Mid Chair Contents
page 69
page 43
86.0381.00 Rev A 73
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 74
411 Hydraulic Reservoir
1
2
3
411 Mid Chair Contents
page 69
page 43
4
5
6
411 Hydraulic Reservoir
p/n 90.1393.00
Item Part Number Description
1 006.112.00 Reservoir cap
2 62.0195.00 Vent barb
3 004.161.00 Washer
4 62.0030.00 † Hydraulic oil reservoir
5 025.111.00 † Hose clamp
6 036.117.00 † Clear tubing, 27”
† Indicates that the individual part is not available for sale
411 Mid Chair Contents
page 69
page 43
86.0381.00 Rev A 75
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 76
411 Lower Chair
Cylinder and Link Arm
Power Supply
page 43
86.0381.00 Rev A 77
page 86
page 78
page 80
Hydraulic and Base
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 78
411 Cylinder and Link Arm
Hydraulic
Pump
3
4
page 82
11
10
1
2
Stop Switch
5
8
9
7
3
6
page 88
5
411 Lower Chair Contents
page 77
page 43
411 Cylinder and Link Arm
Item Part Number Description Replacement Kit
1 016.135.00 † Bearing
2 62.0078.00 † Link arm 62.0078.01
3 001.093.01 Socket head screw, 1/4-20 x 1/4
4 62.0135.00 Pin
5 010.031.00 Retaining clip
6 62.0134.00 Pin
7 62.0131.00 Strain relief
8 025.112.00 Half clamp
9 002.010.00 Socket head patch screw, 1/4 x 3/8
10 62.0085.03 † Lift cylinder 90.1083.01
11 011.124.00 † Pin 90.1083.01
† Indicates that the individual part is not available for sale
411 Lower Chair Contents
page 77
page 43
86.0381.00 Rev A 79
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 80
411 Hydraulic Pump and Chair Base
6
Motor Pump
Power Supply
12
page 82
11
page 86
10
5
1
2
3
4
6
7
8
6
9
411 Lower Chair Contents
page 77
page 43
411 Hydraulic Pump and Chair Base
Item Part Number Description Replacement Kit
1 62.0148.01 † On/Off power button 90.1405.00 Main on/off switch kit
2 62.0753.00 † Button adaptor 90.1405.00 Main on/off switch kit
3 005.008.01 Screw 90.1405.00 Main on/off switch kit
4 013.124.00 Spring 90.1405.00 Main on/off switch kit
5 62.0827.00 Cover
6 002.010.00 Screw
7 62.0832.00 † Bracket 90.1405.00 Main on/off switch kit
8 62.0742.00 Mounting pan
9 62.0029.01 † Baseplate
10 001.034.00 Socket head 6-32 x 1/4 screw
11 037.040.00 Rubber isolator
12 006.141.00 Hex KEPS nut, 1/4-20
† Indicates that the individual part is not available for sale
411 Lower Chair Contents
page 77
page 43
86.0381.00 Rev A 81
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 82
411 Hydraulic Pump
3
Chair Lift Manifold
page 84
4
2
5
6
8
411 Lower Chair Contents
page 77
page 43
7
9
411 Hydraulic Pump
p/n 90.1427.00, 90.1428.00
Item Part Number Description
2 021.111.00 † Elbow assembly
3 61.3126.00 †
61.3127.00 †
4 61.3869.00 † Screen
5 022.110.00 Adaptor
6 022.109.00 Tee barb
7 004.091.00 Internal tooth lock washer
8 62.0733.00 † Mounting pan
9 005.179.00 Screw, 8 x 1.25 16 mm
† Indicates that the individual part is not available for sale
Hydraulic motor pump, 100/110-115 VAC
Hydraulic motor pump, 240 VAC
411 Lower Chair Contents
page 77
page 43
86.0381.00 Rev A 83
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 84
411 Chair Lift Hydraulic Manifold
13
1
12
2
11
9
411 Lower Chair Contents
page 77
page 43
10
3
4
5
6
7
8
411 Chair Lift Hydraulic Manifold
p/n 62.0776.00 (part of 90.1427.00 100 - 120 V/90.1428.00 240 V hydraulic pump kit)
Item Part Number Description Replacement Kit
1 62.0317.00 Solenoid assembly 90.1392.00 -- Hydraulic Manifold Rebuild kit
2 030.015.02 † O-ring, package of 10 90.1392.00 -- Hydraulic Manifold Rebuild kit
3 026.192.00 † Press-in orice
4 013.136.00 † Lock release spring 90.1392.00 -- Hydraulic Manifold Rebuild kit
5 030.010.02 † O-ring, package of 10 90.1392.00 -- Hydraulic Manifold Rebuild kit
6 62.0757.00 † Poppet 90.1392.00 -- Hydraulic Manifold Rebuild kit
7 62.0758.00 † Lock release retainer
8 022.106.00 90 Degree brass adaptor
9 021.111.00 † 90 Degree elbow
10 62.0748.00 † Hydraulic manifold block
11 61.0461.00 Check valve stem 90.1392.00 -- Hydraulic Manifold Rebuild kit
12 013.044.00 Conical compression spring 90.1392.00 -- Hydraulic Manifold Rebuild kit
13 022.049.00 Fitting with O-ring
† Indicates that the individual part is not available for sale
411 Lower Chair Contents
page 77
page 43
86.0381.00 Rev A 85
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 86
411 Power Supply (311/411)
1
4
411 Lower Chair Contents
page 77
page 43
2
3
411 Power Supply (311/411)
p/n 90.1178.00 100 V / 90.1179.00 110-120 V / 90.1180.00 220-240 V
Item Part Number Description Replacement Kit
1 43.0265.00 †
43.0266.00 †
43.0267.00 †
2 90.1082.00 Standoff, package of 5
3 90.1177.00 Chair circuit board kit
4 90.1198.00
90.1199.00
90.1200.00
5 002.010.00 Socket head patch screw, 1/4-20 X 3/8
† Indicates that the individual part is not available for sale
300 W 100 V Power supply assembly
300 W 120 V Power supply assembly
300 W 240 V Power supply assembly
Motor capacitor, 100 V kit
Motor capacitor, 110-120 V kit
Motor capacitor, 220-240 V kit
90.1178.00 - 100 V Power supply kit
90.1179.00 - 120 V Power supply kit
90.1080.00 - 240 V Power supply kit
411 Lower Chair Contents
page 77
page 43
86.0381.00 Rev A 87
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 88
411 Stop Switch
1
411 Lower Chair Contents
page 77
page 43
2
411 Stop Switch
p/n 90.1095.01
Item Part Number Description Replacement Kit
1 43.0041.00 † Stop Switch 90.1095.01
2 62.0146.01 Stop plate swivel knuckle 90.1095.01
† Indicates that the individual part is not available for sale
411 Lower Chair Contents
page 77
page 43
86.0381.00 Rev A 89
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 411 Chair | 90
Illustrated Parts Breakdown — 511 Chair
page 95 Upper Chair
page 105
Lift Arm/ Hydraulic
Pump Covers
page 92
page 1
86.0381.00 Rev A 91
page 111
Lower Chair
Mid Chair
Stop Plate/Rear
Covers
page 92
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 511 Chair | 92
511 Covers
1
2
4
page 91
5 6
3
511 Covers
Item Part Number Description
1 62.0122.01
62.0122.00
2 62.0133.01
62.0133.00
3 62.0084.01
62.0084.00
4 62.0081.01
62.0081.00
5 62.0080.01
62.0080.00
6 62.0101.01
62.0101.00
Rear cover assembly, white
Rear cover assembly, surf
Swivel cover, surf
Swivel cover, white
Stop plate cover, white
Stop plate cover, surf
Lift arm cover, white
Lift arm cover, surf
Motor pump cover, white
Motor pump cover, surf
Pump cover plug, white
Pump cover plug, surf
page 91
86.0381.00 Rev A 93
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 511 Chair | 94
511 Upper Chair
Headrest
Armrests and
Seat Frame
page 96
page 100
page 98
Backrest
page 102
Springs and Cam
page 91
86.0381.00 Rev A 95
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 511 Chair | 96
511 Lever Headrest (411/511)
1
2
3
2
6
7
3
4
4
3
3
5
6
7
5
4
4
8
9
511 Upper Chair Contents
page 95
page 91
511 Lever Headrest (411/511)
Item Part Number Description Replacement Kit
1 035.049.01 O-ring, E, .115 ID x .07 W, package of 10
2 62.0023.01 †
62.0023.00 †
3 001.042.01 Screw, socket head, 6-32 x 1/2", stainless steel, patch 90.1092.01 Headrest cushion cover, white
4 62.0021.00 Bearing, slider, headrest cushion 90.1092.01 Headrest cushion cover, white
5 90.1091.01
90.1091.00
6 62.0094.00 Bearing, slider, brake, headrest 90.1092.01 Headrest cushion cover, white
7 013.005.00 Spring 90.1092.01 Headrest cushion cover, white
8 62.0404.01
62.0404.00
9 001.021.00 Screw, socket head, 4-40 x 1/2", stainless steel
† Indicates that the individual part is not available for sale
Cover, headrest cushion, white
Cover, headrest cushion, surf
Headrest assembly. white (includes items 3, 4, 6, 7 and 8)
Headrest assembly. surf (includes items 3, 4, 6, 7 and 8)
Cap, headrest, white
Cap, headrest, surf
90.1092.01 Headrest cushion cover, white
90.1092.00 Headrest cushion cover, surf
90.1092.00 Headrest cushion cover, surf
90.1092.00 Headrest cushion cover, surf
90.1092.00 Headrest cushion cover, surf
90.1092.00 Headrest cushion cover, surf
511 Upper Chair Contents
page 95
page 91
86.0381.00 Rev A 97
A-dec 311, 411, and 511 Dental Chairs Service Reference Illustrated Parts Breakdown — 511 Chair | 98
511 Back Support (311/411/511)
1
2
3
4
5
9
6
7
8
511 Upper Chair Contents
page 95
page 91
Loading...