LED Exam Light

Model Numbers:
Service and
Parts Manual
253

FOR USE BY MIDMARK TRAINED TECHNICIANS ONLY

004-0779-00 Rev. A (1/29/14)

 GENERAL INFORMATIOn WIRING DIAGRAMS

Section D
General Info
Symbols................................................................. iii 253 Light Assembly........................................... D-2
Ordering Parts..................................................iii

Table of Contents Serial Number Location....................................iii

Specifications.................................................. iv
Scheduled Maintenance....................................... v
Model Identification / Compliance Chart........... vi
Exploded views / Parts Lists
Pictorial Index.................................................... E-2
Troubleshooting

Section E
Light / Flex Arm Assembly............................... E-3*

Section A
Troubleshooting Chart.................................. A-2 9A454 Spline Mount System........................... E-4
9A455 Extended Spline Mount System......... E-5
9A456 Podiatry Spline Mount System............ E-6
9A457 Rail Mount System............................ E-7
9A458 Caster Base...................................... E-8
9A474 Wall Mount Bracket........................... E-9
Testing & Adjustments
Section B

not applicable Reference Information & forms

Digitally Linked Files

Lighthead Replacement.....................003-2252-00
Flex Arm Replacement.......................003-2253-00
PC board Replacement......................003-2254-00

Access Procedures
Section C

not applicable

(*) Indicates multiple pages due to model / serial number break(s).

© Midmark Corporation 2010 SF-1940 [Revised: 2/29/2012] ii

 Symbols Ordering Parts

General Information
The following information is required when ordering parts:
danger • Serial number & model number
Indicates an imminently hazardous situation which • Part number for desired part
will result in serious or fatal injury if not avoided. (Refer to Section E: Exploded Views & Parts Lists)
This symbol is used only in the most extreme conditions.
Non-warranty parts orders may be faxed to Midmark using
warning the Fax Order Form in the back of this manual.
Indicates a potentially hazardous situation which
could result in serious injury if not avoided. For warranty parts orders, call Midmark’s Technical Service
Department with the required information.
Hours: 8:00 am to 5:00 p.m. EST (Monday thru Friday)
Caution Phone: 1-800-Midmark (1-800-643-6275)
Indicates a potentially hazardous situation which may
result in minor or moderate injury if not avoided. It
may also be used to alert against unsafe practices
Serial Number Location
Equipment Alert
Indicates a potentially hazardous situation which
could result in equipment damage if not avoided.

Note
Used for special instructions or additional information.

Serial Number Label

MA8173i

© Midmark Corporation 2010 SF-1940 [Revised: mo/dd/yr] iii

Specifications

Specifications Chart
LED Life: approximately 50,000 hr* (non-replaceable)
* per bulb manufacturer
Light Pattern Circular
Adjustable Spot Size @
Diameter: 4" (10 cm) to 12" (30 cm)
Caster Base
Focal distance: 16” (41 cm)
Illumination @
Focal distance: 16” (41 cm) 1,700 foot-candles / 18,298 lux Flex Arm Reach
Spot size: 4” (10 cm) 54.75 in. (139 cm)
Color Temperature 4,500K
Power Cord Length 8 ft. (2.5 m)
Flex Arm Reach
54.5” (138 cm)
[from power source enclosure]
Flex Arm Rotation
140°
[at power source enclosure] 29 in.
Electrical Rating 115 VAC, 50/60 Hz, 100mA (73.6 cm)
230 VAC, 50/60 Hz, 50mA
Fuses 1.6 amp, 250V, 5mm x 20mm, Type T
low breaking capacity IEC 127-2/3
Regulatory Compliance UL 60601-1 Rev. 26-Apr-06
CAN/CSA C22.2 No. 60601-1:08
Canadian Medical Device Regulations 5OR/98-282
NFPA99 (applicable to product requirements) 19 in.
Classification Class 1, Type B Applied Part (48.2 cm)

warning
Equipment is not suitable for use in the presence of a flammable anesthetic MA8194i
mixture with oxygen, air, or nitrous oxide.

Clarification: Equipment is suitable for use in the presence of oxygen, air, or nitrous oxide.

© Midmark Corporation 2010 SF-1940 [Revised: 5/8/12] iv

Scheduled Maintenance

Interval Inspection / Service Description

Wipe painted metal & plastic surfaces with a clean soft cloth and mild cleaner.
Weekly Cleaning
(Note: Periodic application of common furniture wax will ease cleaning and maintain the luster of the surfaces).

Obvious Damage Visually inspect components for damage that could result in unsafe operation.

Labels / Decals Replace any missing or illegible labels.

Semi-Annually
Hardware All fasteners must be present and fastened securely.

Inspect power cord and all wiring for damage.

Electrical System
Be sure all electrical connections are tight.

Date of Service: Model Number:

Location: Serial Number:

Service Technician: Notes:

© Midmark Corporation 2010 SF-1940 [Revised: mo/dd/yr] v

Model Identification / Compliance Chart

Complies To: Electrical Ratings:

Canadian
Model Description UL CAN / CSA Medical
NFPA VAC Cycles
60601-1 C22.2, Device Amps
99 +/- 10% (Hz)
Rev 26-Apr-06 #60601.1:08 Regulations
5OR/98-282
115 100mA 50/60
253-001 LED Exam Light only • • • • 230 60mA 50/60
253-002 Includes 253-001 and 9A454001
- - - - - - -
(Spline Mount)
253-003 Includes 253-001 and 9A455001
- - - - - - -
(Extended Spline Mount)
253-004 Includes 253-001 and 9A456001
(Podiatry Spline Mount) - - - - - - -
DISCONTINUED (6/1/12)
253-005 Includes 253-001 and 9A457001
- - - - - - -
(Base Rail Mount)
253-006 Includes 253-001 and 9A458001
- - - - - - -
(Caster Base)
253-007 Includes 253-001 and 9A474001
- - - - - - -
(Wall Mount)

© Midmark Corporation 2010 SF-1940 [Revised: 5/8/12] vi

 Troubleshooting Troubleshooting Chart........................A-2

Section A

© Midmark Corporation 2010 SF-1940 [Revised: mo/dd/yr] A-1

Troubleshooting Chart
Problem Symptom Probable Cause Check Correction
Light wil not turn ON. Power indicator light: OFF Facility supply voltage. Power cord connections & Secure power cord connections.
facility circuit breaker. Reset circuit breaker if necessary.
Primary fuse(s) blown. Inspect fuses. Replace faulty fuse(s).
Power indicator light: ON Loose / damaged wire Check harness connections at Secure loose connections.
connection(s) PC board / lighthead. Replace harness if damage is
apparent.
Faulty LED - Replace lighthead assembly
Light pattern will not adjust. Size of the light pattern does not
Faulty lighthead - Replace lighthead assembly
change when lighthead is rotated.
Light turns OFF by itself. Light turns OFF without pressing Automatic Shutoff Feature - Disable the Automatic Shutoff
power button. Feature

© Midmark Corporation 2010 SF-1940 [Revised: mo/dd/yr] A-2

 Wiring Diagrams 253 Light Assembly............................D-2

Section D

© Midmark Corporation 2010 SF-1940 [Revised: mo/dd/yr] D-1

 Power Indicator Light

Primary Fuse Specs Part Number

1.6A, 250V, 5 x 20 mm, Type T 015-0346-29
Blue Brown

Power Cord Inlet

Primary Fuses (2)

Grn/Yel

MA8175i

Wiring Diagram: 253 Light Assembly

Item Description Part
Number
A Flex Arm / Lighthead Harness 015-2538-00
Models: 253 B Blue Lead 015-0708-33
Serial Numbers: all C Brown Lead 015-0708-34
D Ground Harness 015-2660-00

© Midmark Corporation 2010 SF-1940 [Revised: mo/dd/yr] D-2 Always verify model & serial number
 Exploded Views & Pictorial Index............................................. E-2
Light / Flex Arm Assembly.......................... E-3
9A454 Spline Mount System...................... E-4

Parts Lists 9A455 Extended Spline Mount System...... E-5

9A456 Podiatry Spline Mount System........ E-6

Section E 9A457 Rail Mount System.......................... E-7

9A458 Caster Base.................................... E-8

XXX-XXXX-XX

XXX-XXXX-XX

XXX-XXXX-XX

© Midmark Corporation 2010 SF-1940 [Revised: mo/dd/yr] E-1

Pictorial Index
9A454 Standard Spline............ E-4
9A455 Extended Spline............ E-5
9A456 Podiatry Spline.............. E-6

Light / Flex Arm Assembly........ E-3 9A458 Caster Base.................. E-8

9A457 Rail Mount System........ E-7

9A474 Wall Mount Bracket....... E-9

MA8174i

Models: 253 * Indicates multiple pages due to a

Serial Numbers: all serial number break for the parts illustration.

© Midmark Corporation 2010 SF-1940 [Revised: mo/dd/yr] E-2 Always verify model & serial number
 20 040-0250-185
002-1401-00 1 2 040-0010-176

015-0371-07 19 3 002-1400-00

9
042-0168-01 18

4 054-0605-00
061-1028-00 21
5 053-2157-00-216

6 053-2147-00-216

17 050-7865-00 7 053-2116-00-216

Light / Flex Arm Assembly

Item Description Qty.
1 Flex Arm Kit (includes wiring harness) 1
16 053-2118-00-216 2 Set Screw 1
053-2117-00 14 3 Lighthead Assembly Kit 1
4 Flex Arm Plug 1
015-1338-01 15 5 Lighthead Seal 1
*See Note 002-1402-00 13 6 Collar 1
7 Housing - Back 1
8 Power Cord Inlet / Fuse Holder 1
9 Screw (K35 x 10mm) 6
10 O-ring 1
016-0149-00 12 11 Foam Plug 1
015-1362-00 8 12 Bearing 2
13 PC Board Kit (includes RTV silicone) 1

054-0602-00 11 9 042-0168-00 14 Light Pipe 1

Power Cord (120V, North American)
15 *Note: Export models require accessory: 9A152 1
International Cordset.
10 014-0176-58
MA8168i
16 Housing - Front 1
17 Clamp 2
18 Screw (K35 x 16mm) 8
Models: 253 19 Cable Clamp 1

Serial Numbers: 20 Set Screw 1

V2200 thru V1510583
21 LED Label 1

© Midmark Corporation 2010 SF-1940 [Revised: 1/27/14] E-3 Always verify model & serial number
 20 040-0250-185 002-1401-00 1 2 040-0010-176

015-0371-07 19 3 002-1400-00

9
042-0168-01 18

4 054-0605-00
061-1028-00 21
5 053-2157-00-216

6 053-2147-00-216

17 050-7865-00 7 053-2116-00-216

Light / Flex Arm Assembly

Item Description Qty.
1 Flex Arm Kit (includes wiring harness) 1
16 053-2118-00-216 2 Set Screw 1
053-2117-00 14 3 Lighthead Assembly Kit 1
4 Flex Arm Plug 1
015-1338-01 15 5 Lighthead Seal 1
*See Note 002-1402-00 13 6 Collar 1
7 Housing - Back 1
8 Power Cord Inlet / Fuse Holder 1
9 Screw (K35 x 10mm) 6
10 O-ring 1
016-0149-00 12 11 Foam Plug 1
015-1362-00 8 12 Bearing 2
13 PC Board Kit (includes RTV silicone) 1

054-0770-00 11 9 042-0168-00 14 Light Pipe 1

Power Cord (120V, North American)
15 *Note: Export models require accessory: 9A152 1
International Cordset.
10 014-0176-58
MA8168-1i
16 Housing - Front 1
17 Clamp 2
18 Screw (K35 x 16mm) 8
Models: 253 19 Cable Clamp 1

Serial Numbers: 20 Set Screw 1

V1510584 thru Present
21 LED Label 1

© Midmark Corporation 2010 SF-1940 [Revised: 1/27/14] E-3.1 Always verify model & serial number
 1 029- 5162-00

2 042-0056-05

042-0606-00 6

3 053-1339-0x

4 025-0042-11
030-1561-00 10

5 030-1900-00-xxx

040-0312-79 9

042-0112-08 7

050-7979-00-xxx 8
9A454001 Spline Mount System
(includes items 1 thru 10)
Item Description Qty.
MA8182i
1 Spline Assembly (includes items 2 thru 6) 1
2 • Clip Ring 1
3 • Retainer Clip 1
4 • Compression Spring 1
5 • Spline Mount Weldment 1
6 • Clevis Pin 1
7 Screw (M4 x .7 x 12 mm) 4
Models: 9A454 8 Cord Restraint 1
Serial Numbers: all 9 Screw (5/16-18 x 3/4”) 2
10 Socket Weldment 1

© Midmark Corporation 2010 SF-1940 [Revised: 11/5/13] E-4 Always verify model & serial number
 1 029-5162-01

042-0606-00 6 2 042-0056-05

3 053-1339-0x

4 025-0042-11
030-1561-00 10

5 030-1900-01-xxx
040-0312-79 9

042-0112-08 7

050-7979-00-xxx 8 9A455001 Extended Spline Mount System

(includes items 1 thru 10)
MA8183i
Item Description Qty.
Extended Spline Assembly
1 1
(includes items 2 thru 6)
2 • Clip Ring 1
3 • Retainer Clip 1
4 • Compression Spring 1
5 • Extended Spline Mount Weldment 1
6 • Clevis Pin 1
7 Screw (M4 x .7 x 12 mm) 4
Models: 9A455 8 Cord Restraint 1
Serial Numbers: all 9 Screw (5/16-18 x 3/4”) 2
10 Socket Weldment 1

© Midmark Corporation 2010 SF-1940 [Revised: 12/13/13] E-5 Always verify model & serial number
 1 029-5075-00
040-0250-133 10

6 042-0606-00
2 042-0056-05

3 053-1339-0x

4 025-0042-11

LH) 030-1803-01 9 5 030-1900-00-xxx

RH) 030-1803-00

042-0112-08 7

050-7979-00-xxx 8 9A456001 Podiatry Spline Mount System

(includes items 1 thru 10)
Item Description Qty.
1 Spline Assembly (includes items 2 thru 6) 1
MA8184i
2 • Clip Ring 1
3 • Retainer Clip 1
4 • Compression Spring 1
5 • Spline Mount Weldment 1
6 • Clevis Pin 1
7 Screw (M4 x .7 x 12 mm) 4
Models: 9A456 8 Cord Restraint 1
Serial Numbers: all 9 Spline Receptacle (LH shown) 2
10 Screw (1/4-20) 6

© Midmark Corporation 2010 SF-1940 [Revised: mo/dd/yr] E-6 Always verify model & serial number
 9A205002 1

3 016-1128-00

4 030-1934-00-216

2 9A564001

042-0112-08 6

050-7979-00-216 5

MA8186i

9A457001 Rail Mount System

(includes items 1 thru 6)
Item Description Qty.

1 Base Rail Assembly 1

(Refer to: 9A205 documentation for breakdown)
2 Rail Mount Assembly (includes items 3 - 6) 1
3 • T-knob 1
Models: 9A457 4 • Rail Mount Weldment 1

Serial Numbers: 5 • Cord Restraint 1

all
6 • Screw (M4 x .7 x 12 mm) 4

© Midmark Corporation 2010 SF-1940 [Revised: 2/3/15] E-7 Always verify model & serial number
 042-0112-08 8
1 9A458001-502-001

65958000 7
2 020-0349-00-xxx

3 016-0730-00

016-0730-01 6
9A458001 Caster Base
(includes items 1 thru 8)
045-0001-155 5 4 040-0375-62
Item Description Qty.

MA8185i 1 Caster Tube Assembly 1

2 Caster Base 1
3 Locking Caster 2
4 Hex Screw (3/8-16 x 2 1/4”) 1
5 Washer 1
Models: 9A458 6 Caster 3
Serial Numbers: all 7 End Cap 5
8 Screw (M4 x .7 x 12mm) 4

© Midmark Corporation 2010 SF-1940 [Revised: 02/27/12] E-8 Always verify model & serial number
 1 042-0098-01

2 053-1187-00

042-0112-01 5

3 122798-01

050-8378-00-216 4

9A474001 Wall Mount Bracket

(includes items 1 thru 5)
Item Description Qty.
1 Wall Anchor - 3/16” (for drywall) 4
2 Screw Base Cover 4
Models: 9A474 3 Screw Cover 4
Serial Numbers: all 4 Wall Bracket 1
5 Screw (M4 x .7 x 8mm) 4

© Midmark Corporation 2010 SF-1940 [Revised: mo/dd/yr] E-9 Always verify model & serial number
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Midmark Corporation
For contact information, go to:
www.midmark.com