Midmark 204, 604 Service manual

Manual
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Style B
Examination Table
Model Numbers:
204
604
Service and
Parts Manual
604 shown
SF-1864 Part No. 004-0483-00 Rev. D (10/2/09)
FOR USE BY MIDMARK TRAINED TECHNICIANS ONLY
GENERAL INFORMATION
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Symbols ....................................iii
Ordering Parts ......................... iii
Serial Number Location .......... iii
Specifications ........................... iv
Model Identification /
Compliance Charts:
204 ..................................................
604 ..................................................
Warranty Information............... vii
General Information
v vi
TESTING & REPAIR - continued
Upholstery Heater System .. B-14
cont.
Section B -
Output Voltage Test ..........................
Supply Voltage Test .........................
Uph. Heater Resistance Test ...........
Uph. PC Board Replacement ..........
Heater Switch Replacement ...........
Stirrup Replacement............ B-20
Footrest Extension
Replacement ...................... B-21
Foot Step Replacement ....... B-22
B-14 B-15 B-16 B-17 B-18
TROUBLESHOOTING
Back Section Positioning ........ A-2
Table Receptacle System ........ A-5
Drawer Heater System ............ A-7
Upholstery Heater System ...... A-11
Removing & Installing:
Section A
ACCESS PROCEDURES
TESTING & REPAIR
Back Release Mechanism ....... B-2
Gas Cylinder Adjustment ...................
Gas Cylinder Replacement ................
Table Receptacle System ........ B-4
Circuit Breakers ..................................
Section B
Table Of Contents
Supply Voltage Test ............................
Drawer Heater System ............ B-6
Distribution Board Fuses ...................
Supply Voltage Test:
204 ..................................................
604 ..................................................
Heater Switch Replacement:
204 ..................................................
604 ..................................................
Heater Plate Test:
204 ..................................................
604 ..................................................
Heater Plate Replacement ................
FOR USE BY MIDMARK TRAINED TECHNICIANS ONLY
B-2 B-3
B-4 B-5
B-6
B-7 B-8
B-9 B-10
B-11 B-12 B-13
WIRING DIAGRAMS
Section D Section C
EXPLODED VIEWS / PARTS LISTS
Section E
Section E
Upholstery:
204 (Ritter) .......................................
604 (Midmark) ..................................
Stirrup Guide.......................... C-4
Drawers .................................. C-5
204:
(-001 & -003) ....................................
(-002 & -004) ....................................
604:
(-001) ................................................
(-002) ................................................
(-003) ................................................
204:
(-001 / -002 / -005) ...........................
(-003 / -005) ......................................
604
(all) ..............................................
C-2 C-3
D-2 D-3
D-2 D-4 D-5
E-2 E-3 E-4
Rev. 1/08
Symbols
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General Information
Ordering Parts
Caution
Indicates a potentially hazardous situation which could result in injury if not avoided.
Equipment Alert
Indicates a potentially hazardous situation which could result in equipment damage if not avoided.
Note
Amplifies a procedure, practice, or condition.
In Section A, test the components in the order indicated. (ex.
1st
then,
33
3
33
33
3
33
These symbols are used throughout this manual to represent the operational status of table functions and components.
Refer to Section B for component testing procedures.
Indicates the function / component is working properly. No action required.
2nd
)
33
3
33
The following information is required when ordering parts:
Serial number & model number
Part number for desired part.
[Refer to Exploded Views / Parts Lists section]
Non-warranty parts orders may be faxed to Midmark using the Fax Order Form in the back of this manual.
For warranty parts orders, call Midmark's Technical Service Department with the required information.
Hours: 8:00 am until 5:00 pm EST [Monday - Friday] Phone: 1-(800)-Midmark
Model / Serial Number Location
General Information
Indicates the function / component is working, but a problem exists.
Indicates the function / component is not working at all.
Serial / Model
Number
iii
© Midmark Corporation 2005 SF-1864
General Information
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Specifications
Maximum Patient Weight: .................................. 500 lbs (226 kg)
Electrical Supply Requirements: ...................... [See
Paper Roll (maximum size): .............................. 21 in. wide x 3.5 in. diameter
(53 cm x 9 cm)
Range of Motion &
Dimensions .......................................................(See illustrations)
Weight of Table: ..................................................220 lbs (99.8 kg)
w/packaging & skid .............................................273 lbs (123.8 kg)
Receptacle Power Cord: .................................... 6 ft. (1.8 m) long
Drawer / Uph. Heater Power Cord: ...................6 ft. (1.8 m) long
Side Drawer
19.7 in. (50 cm)
Foot-End Drawer
20.8 in. (52.8 cm)
Side Drawer
22 in. (55.8 cm)
Foot-End Drawer
18 in. (45.7 cm)
Model Identification Chart
20.5 in. (52 cm)
]
30.2 in. (52 cm)
18 in.
(45.7 cm)
Max.
70° +5°
Max.
7° +2°
Depth
4.25 in. (10.8 cm)
iv
(all)
© Midmark Corporation 2005 SF-1864
Rev. 7/09
9 in.
(23 cm)
Min.
1.5°
16.5 in.
(42 cm)
Midmark
604
46.4 in.
(117.8 cm)
Ritter
204
Min.
Model Identification Chart - 204
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Compliance Info.
Fire Code Ratings
All standard upholstery sets comply with: California Bureau of Home Furnishing Technical Bulletin 117 Optional upholstery sets are available that comply with:California Bureau of Home Furnishing
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200-402
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General Information
Regulatory compliance information is available online: Go to:
www.documark.com (Use the Find feature to locate: 077-0489-00)
400-402
500-402
600-402
700-402
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-- -
032 5 06/05
0325.506/05
v
© Midmark Corporation 2005 SF-1864
General Information
Back
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Next
(or click on button below)
Compliance Info.
Model Identification Chart - 604
Fire Code Ratings
All standard upholstery sets comply with: California Bureau of Home Furnishing Technical Bulletin 117 Optional upholstery sets are available that comply with:California Bureau of Home Furnishing
ylppuSlacirtcelE
ledoM noitpircseD
CAV
%01-/+
:stnemeriuqeR
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)zH(
Technical Bulletin 133.
Regulatory compliance information is available online: Go to:
www.documark.com (Use the Find feature to locate: 077-0489-00)
100-406
200-406
300-406
400-406
500-406
600-406
elcatpeceR/w
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5115 06/05
511 5.5 06/05
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- - -
0325 06/05
032 5.5 06/05
vi
© Midmark Corporation 2005 SF-1864
Warranty Information
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General Information
SCOPE OF WARRANTY
Midmark Corporation (“Midmark”) warrants to the original purchaser its new Alternate Care products and components (except for components not warranted under “Exclusions”) manufac­tured by Midmark to be free from defects in material and workmanship under normal use and service. Midmark’s obligation under this warranty is limited to the repair or replacement, at Midmark’s option, of the parts or the products the defects of which are reported to Midmark within the applicable warranty period and which, upon examination by Midmark, prove to be defective.
APPLICABLE WARRANTY PERIOD
The applicable warranty period, measured from the date of delivery to the original user, shall be one (1) year for all warranted products and components.
EXCLUSIONS
This warranty does not cover and Midmark shall not be liable for the following: (1) repairs and replacements because of misuse, abuse, negligence, alteration, accident, freight damage, or tampering; (2) products which are not installed, used, and properly cleaned as required in the Midmark “Installation” and or “Installation / Operation Manual for this applicable product. (3) products considered to be of a consumable nature; (4) accessories or parts not manufactured by Midmark; (5) charges by anyone for adjustments, repairs, replacement parts, installation, or other work performed upon or in connection with such products which is not expressly authorized in writing in advance by Midmark.
EXCLUSIVE REMEDY
Midmark’s only obligation under this warranty is the repair or replacement of defective parts. Midmark shall not be liable for any direct, special, indirect, incidental, exemplary, or consequen­tial damages or delay, including, but not limited to, damages for loss of profits or loss of use.
NO AUTHORIZATION
No person or firm is authorized to create for Midmark any other obligation or liability in connection with the products.
Additional Information
Failure to follow the guidelines listed below will void the warranty and/or render the table unsafe for use.
If a malfunction is detected, do not use the table until
necessary repairs are made.
Do not attempt to disassemble table, replace
components, or perform adjustments unless you are a Midmark authorized service technician.
Do not use another manufacturer's parts to replace
malfunctioning components. Use only Midmark replacement parts
THIS WARRANTY IS MIDMARK’S ONLY WARRANTY AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED. MIDMARK MAKES NO IMPLIED WARRANTIES OF ANY KIND INCLUDING ANY WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. THIS WARRANTY IS LIMITED TO THE REPAIR OR REPLACEMENT OF DEFECTIVE PARTS.
SF-1487 REV. A1
© Midmark Corporation 2005 SF-1864
vii
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Troubleshooting
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Click on the Go To Page button and enter the
desired page number.
(Note: Letters are case sensitve ex. A-2, not a-2)
Go To Page:
Troubleshooting
Function / System Page
Back Section Positioning ...................... A-2
Table Receptacle.................................. A-5
Drawer Heater ...................................... A-7
Upholstery Heater................................. A-11
Section A
Models:
Serial Numbers:
© Midmark Corporation 2005 SF-1864
A-1
Troubleshooting
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Back Section Positioning
Back Section Positioning
Back Section Release Mechanism
When either back release handle is squeezed, linkage rotates the cam. The rotating cam pushes the plunger down, compressing the cylinder pin. When the cylinder pin is compressed, the pressure inside the cylinder is released, allowing the back section to be repositioned.
When the back handle is released, the cam and plunger return to their normal position. This removes pressure from the cylinder pin allowing the cylinder to pressurize and lock the back section in place.
Problem Page
Back drifts up or down ......................... A-3
Back locked in place ............................ A-4
Difficult to position ............................... A-4
Back Release Handle
A-2
© Midmark Corporation 2005 SF-1864
Plunger
Back Section
Positioning
Cam
Models:
Serial Numbers:
Cylinder Pin
All
All
Back Section Positioning
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- continued
Troubleshooting
Problem: Back section drifts up or down.
Jam Nut
Refer To: Page
Gas Cylinder Replacement ................... B-3
Gas cylinder screwed in too far.
A. Loosen jam nut. B. Unscrew cylinder slightly. C. Tighten jam nut, then test.
Replace gas cylinder.
Refer to: Section B - Back Release Mechanism
1st
2nd
33
3
33
33
3
33
Models:
Serial Numbers:
All
All
Back Section
Positioning
© Midmark Corporation 2005 SF-1864
A-3
Troubleshooting
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Back Section Positioning
- continued
Refer To: Page
Gas Cylinder Replacement ................... B-3
Jam Nut
Problem: Back section is "locked" in place. -or-
Back section is difficult to position.
Gas cylinder is not screwed in far enough.
A. Loosen jam nut. B. Screw cylinder in slightly. C. Tighten jam nut, then test.
2nd
33
3
Replace gas cylinder.
Refer to: Section B - Back Release Mechanism
33
1st
33
3
33
A-4
© Midmark Corporation 2005 SF-1864
Back Section
Positioning
Models:
Serial Numbers:
All
All
Troubleshooting
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Table Receptacle System
Table Receptacle Operation
With the receptacle power cord properly connected, line voltage receptacle circuit breakers.
115 VAC flows thru the two circuit breakers to the receptacle. If the receptacle's maximum load is exceeded, the circuit breakers interrupt power to the receptacle.
Maximum Load (both outlets combined) ........... 115 VAC, 5 amps
(115 VAC)
is supplied directly to the two
- optional
Table Receptacle System
Problem Page
No power at receptacle ........................ A-6
Circuit Breakers
Models:
Serial Numbers:
204 (-001 thru -004)
All
604 (-001 thru -003)
All
Table Receptacle
System
© Midmark Corporation 2005 SF-1864
A-5
Troubleshooting
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Table Receptacle System
- continued
Refer To: Page
Receptacle Supply Voltage Test ........... B-5
Wiring Diagrams ................................... D-1
Are circuit breakers tripped?
Push toggle switches inward to reset.
Tripped
(no power to outlet)
Reset
(power to outlet)
1st
33
3
33
Problem: No power at receptacle.
Loose / disconnected wire connections.
Check the following connections:
• Receptacle power cord to supply source
• Receptacle power cord to circuit breakers
• Circuit breakers to receptacle
Circuit Breakers
2nd
33
3
33
Perform
Refer to: Section B - Table Receptacle System
A-6
Receptacle Supply Voltage Test
© Midmark Corporation 2005 SF-1864
Table Receptacle
System
Models:
Serial Numbers:
3rd
33
3
33
204 (-001 thru -004)
All
604 (-001 thru -003)
All
Troubleshooting
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Drawer Heater System
Drawer Heater Operation
With the heater system's power cord properly connected, 115 VAC is supplied to the drawer heater switch thru two fuses on the distribution board.
When pressed ON, the switch illuminates and current flows to the heater plate. When the heater plate is energized, it warms the contents of the drawer to approximately 98° F (37° C).
Distribution Board
(two fuses)
- optional
Drawer Heater System
Problem Page
Heater does not warm up:
Switch does not illuminate ................
Switch illuminates .............................
Heater works properly,
Switch does not illuminate ................
[Midmark model shown has green switch for optional upholstery heater]
but...
A-8
A-9
A-10
Heater Plate
Models:
Serial Numbers:
204 (-002 & -004)
All
604 (-002 & -003)
All
Drawer Heater Switch
(Ritter models)
Drawer Heater Switch - white
(Midmark models)
Drawer Heater
System
© Midmark Corporation 2005 SF-1864
A-7
Troubleshooting
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Drawer Heater System
- continued
Refer To: Page
Supply Voltage Test:
204 (Ritter) ........................................
604 (Midmark) ...................................
Wiring Diagrams ................................... D-1
Check fuses on distribution board
If either fuse is blown, replace both fuses.
Distribution Board
(two fuses)
B-7
B-8
1st
33
3
33
Problem: Drawer heater does not warm up - and
Drawer heater switch does not illuminate.
[Midmark model shown has green switch for optional upholstery heater]
Drawer Heater Switch - white
(Midmark models)
Loose / disconnected wire connections.
Check the following connections:
• Heater system power cord to supply source
• Heater system power cord to distribution board
• Distribution board to heater switch
A-8
© Midmark Corporation 2005 SF-1864
Drawer Heater
System
Models:
Serial Numbers:
2nd
33
3
33
204 (-002 & -004)
All
Drawer Heater Switch
(Ritter models)
604 (-002 & -003)
All
Perform
Refer to: Section B - Drawer Heater System
Supply Voltage Test
3rd
33
3
33
Drawer Heater System
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- continued
Troubleshooting
Problem: Drawer heater does not warm up - but
Drawer heater switch does illuminate,
Refer To: Page
Heater Plate Test:
204 (Ritter) ........................................
604 (Midmark) ...................................
Wiring Diagrams ................................... D-1
[Midmark model shown has green switch for optional upholstery heater]
Drawer Heater Switch - white
(Midmark models)
B-11
B-12
Heater Plate
Models:
Serial Numbers:
Perform
Refer to: Section B - Drawer Heater System
Heater Plate Test
204 (-002 & -004)
All
604 (-002 & -003)
2nd
All
33
3
33
Loose / disconnected wire connections.
Check the following connections:
Drawer Heater Switch
(Ritter models)
• Heater switch to heater plate
Drawer Heater
System
© Midmark Corporation 2005 SF-1864
1st
33
3
33
A-9
Troubleshooting
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Drawer Heater System
- continued
Refer To: Page
Heater Switch Replacement:
204 (Ritter) ........................................
604 (Midmark) ...................................
Wiring Diagrams ................................... D-1
B-9
B-10
Problem: Drawer heater warms up - but
Drawer heater switch does not illuminate.
[Midmark model shown has green switch for optional upholstery heater]
Drawer Heater Switch - white
(Midmark models)
A-10
© Midmark Corporation 2005 SF-1864
Drawer Heater
System
Models:
Serial Numbers:
Drawer Heater Switch
204 (-002 & -004)
All
(Ritter models)
604 (-002 & -003)
All
Replace drawer heater switch
Refer to: Section B - Drawer Heater System
1st
33
3
33
Troubleshooting
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Upholstery Heater System
Upholstery Heater Operation
With the heater system's power cord properly connected, 115 VAC is supplied to the upholstery heater PC board thru the distribution board.
Note
Current does not flow thru the two fuses on the distribution board. The distribution board is merely a connection point for the upholstery heater system.
The two fuses (F1 & F2) on the uph. heater PC board protect this system from excessive current.
Circuitry on the upholstery heater PC board reduces the line voltage, and supplies approximately 12 VAC to the upholstery heater switch.
When the upholstery heater switch is pressed ON, the switch illuminates and 12 VAC is supplied to the two upholstery heating elements. When the heating elements are energized, they warm the back & seat sections of the upholstered top. Pressing the heater button again, turns the heater system OFF.
- optional
Temperature Adjustment
Knob
Upholstery Heater System
Problem Page
Switch does not illuminate,
Heater does not work .......................
Heater does work .............................
Switch does illuminate,
Heater does not work ....................... A-14
Switch & heater both work,
shut off prematurely.......................... A-15
Upholstery Heater
PC Board
(two fuses)
Distribution
Board
but
and...
...
but...
A-12
A-13
Note
The upholstery temperature can be adjusted. Refer to Section B: Upholstery Heater System.
A timer on the upholstery heater PC board automatically turns the heater OFF after 8 hours. The timer is initiated when the upholstery heater switch is pressed ON.
Models:
Serial Numbers:
604 (-003)
All
Upholstery Heater Switch - green
Upholstery Heater
© Midmark Corporation 2005 SF-1864
System
Heating
Element
Heating
Element
A-11
Troubleshooting
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Go To Page:
Refer To: Page
Supply Voltage Test ............................. B-15
Wiring Diagrams ................................... D-1
Upholstery Heater System
Problem: Uph. heater switch does not illuminate - and
Upholstery heater does not work.
Check fuses on upholstery heater PC board.
If either fuse is blown, replace both fuses.
1st
33
3
33
- continued
Upholstery Heater
PC Board
(two fuses)
Distribution
Board
Loose / disconnected wire connections.
Check the following connections:
• Heater system power cord to supply source
• Heater system power cord to distribution board
• Distribution board to uph. PC board
• Uph. PC board to uph. heater switch
Perform
Refer to: Section B - Upholstery Heater System
Supply Voltage Test
3rd
2nd
33
3
33
33
3
33
Upholstery Heater
A-12
© Midmark Corporation 2005 SF-1864
System
Models:
Serial Numbers:
604 (-003)
All
Upholstery Heater System
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Problem: Uph. heater switch does not illuminate - but
Upholstery heater does work.
- continued
Replace upholstery heater switch.
Refer to: Section B - Upholstery Heater System
1st
Troubleshooting
Refer To: Page
Uph. Heater Switch Replacement ......... B-18
Wiring Diagrams ................................... D-1
33
3
33
Models:
Serial Numbers:
604 (-003)
All
Upholstery Heater
System
© Midmark Corporation 2005 SF-1864
A-13
Troubleshooting
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Go To Page:
Refer To: Page
Heating Element Test ........................... B-17
Wiring Diagrams ................................... D-1
Upholstery Heater System
Problem: Uph. heater switch does illuminate - but
Upholstery heater does not work.
Loose / disconnected wire connections.
Check the following connections:
• Seat section heating element to uph. PC board
• Back section htg. element to seat section htg. element
Perform
Refer to: Section B - Upholstery Heater System
Heating Element Test
1st
33
3
33
2nd
- continued
33
3
33
Upholstery Heater
A-14
© Midmark Corporation 2005 SF-1864
System
Models:
Serial Numbers:
604 (-003)
All
Upholstery Heater System
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Problem: Uph. heater & switch both work but shut off prematurely.
Timed cycle has expired.
Upholstery heater shuts OFF automatically after 8 hours. Press uph. heater switch to turn heater back ON.
- continued
1st
33
3
33
Troubleshooting
Refer To: Page
Heating Element Test ........................... B-17
Wiring Diagrams ................................... D-1
Perform
Refer to: Section B - Upholstery Heater System
Heating Element Test
2nd
33
3
33
Upholstery Heater Switch
Models:
Serial Numbers:
604 (-003)
All
Upholstery Heater
System
© Midmark Corporation 2005 SF-1864
A-15
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Testing & Repair
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Go To Page:
Click on the Go To Page button and enter the
desired page number.
(Note: Letters are case sensitve ex. A-2, not a-2)
Testing & Repair
Components Page
Back Release Mechanism .................... B-2
Table Receptacle System ..................... B-4
Drawer Heater System ......................... B-6
Upholstery Heater System .................... B-14
Stirrups ............................................... B-20
Footrest Extension Replacement .......... B-21
Footstep Replacement:
204 (Ritter models) ............................
604 (Midmark models) .......................
B-22
B-23
Section B
Models:
Serial Numbers:
© Midmark Corporation 2005 SF-1864
Rev. 5/06
B-1
Testing & Repair
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Back Release Mechanism
Gas Cylinder Adjustment
Back Release Mechanism Page
Gas Cylinder Adjustment ...................... B-2
Gas Cylinder Replacement ................... B-3
Exploded Views / Part Numbers ........... E-9
Attention:
If problem persists after performing the appropriate adjustment, replace gas cylinder.
Jam Nut
If back section drifts up or down...
A. Remove clevis pin from bottom of cylinder.
(Refer to Gas Cyliner Replacement).
B. Loosen jam nut. C. Unscrew cylinder slightly. D. Tighten jam nut / replace clevis pin / test.
If back section is 'locked up',
or difficult to position...
A. Remove clevis pin from bottom of cylinder.
(Refer to Gas Cyliner Replacement).
B. Loosen jam nut. C. Screw cylinder in slightly. D. Tighten jam nut / replace clevis pin / test.
Back Release
B-2
© Midmark Corporation 2005 SF-1864
Mechanism
Rev. 1/06
Models:
Serial Numbers:
All
All
Testing & Repair
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Back Release Mechanism
Gas Cylinder Replacement
Removal
Step 1: Remove top drawer.
(Refer to: Section C - Drawers)
Removal
Step 2: Remove clevis pin.
Note: Press the plunger on the clevis pin,
then push pin thru spring & bracket.
- continued
Plunger
Refer to: Page
Gas Cylinder Adjustment ...................... B-2
Installation
Step 3: Perform
(Refer to: previous page)
Gas Cylinder Adjustment
.
Models:
Serial Numbers:
All
All
Installation
Step 2: Install clevis pin.
Removal
Step 3: Raise back section, then
unscrew gas cylinder.
Installation
Step 1: Thread gas cylinder into housing.
Back Release
Mechanism
© Midmark Corporation 2005 SF-1864
B-3
Testing & Repair
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Table Receptacle System
Circuit Breakers
There are two receptacle circuit breakers to protect the system. If the receptacle's maximum load is exceeded, the circuit breakers interrupt power to the receptacle.
Maximum Load (both outlets combined) ................. 5 amps
Tripped
(no power to outlet)
Table Receptacle System Page
Circuit Breakers .................................... B-4
Supply Voltage Test ............................. B-5
Wiring Diagrams ................................... D-1
Exploded Views / Part Numbers:
120 V 230 V
Circuit Breakers
............................................... E-19*
............................................... E-20
To reset circuit breaker(s)...
Push toggle switch inward.
B-4
© Midmark Corporation 2005 SF-1864
Reset
(power to outlet)
Table Receptacle
System
Rev. 3/06
Models:
Serial Numbers:
204 (-001 thru -004, -006 & -007)
All
604 (-001 thru -003, -005 & -006)
All
Testing & Repair
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Table Receptacle System
Supply Voltage Test
Supply Voltage Test
Step 3: Place meter probes on wire
connection screws of receptacle.
Supply Voltage Test
Step 2: Set meter to read VAC.
- continued
Refer to: Page
Wiring Diagrams ................................... D-1
Supply Voltage Test
Step 1: Remove receptacle cover.
Models:
Serial Numbers:
204 (-001 thru -004, -006 & -007)
All
Supply Voltage Test
If reading is approx. 115 / 230 VAC (line voltage)...
Replace receptacle.
If there is no voltage present...
Check all wire connections from receptacle to supply source
604 (-001 thru -003, -005 & -006)
All
Table Receptacle
System
© Midmark Corporation 2005 SF-1864
Rev. 3/06
B-5
Testing & Repair
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Drawer Heater System
Use the table below to determine the required action:
melborPnoitcAderiuqeR
Drawer heater does not warm up, Check
and
switch does not illuminate. Perform
Drawer heater does not warm up, Perform
but
switch does illuminate.
Drawer heater works properly, Replace
but
switch does not illuminate.
Distribution Board Fuses
The power to the drawer heater switch flows thru the two distribution board fuses.
Drawer Heater Plate Test
Drawer Heater Switch
Distr. Board Fuses
Supply Voltage Test
Drawer Heater System Page
Distribution Board Fuses ...................... B-6
Supply Voltage Test:
204 (Ritter) ........................................
604 (Midmark) ..................................
Heater Switch Replacement:
204 (Ritter) ........................................
604 (Midmark) ..................................
Heater Plate Test:
204 (Ritter) ........................................
604 (Midmark) ..................................
Heater Plate Replacement .................... B-13
Wiring Diagrams ................................... D-1
Exploded Views / Part Numbers:
120 V 230 V
............................................... E-22
............................................... E-23
B-7
B-8
B-9
B-10
B-11
B-12
If either of these fuses are faulty, the switch will not illuminate & the heater will not function.
B-6
© Midmark Corporation 2005 SF-1864
Drawer Heater
System
Rev. 3/06
Models:
Serial Numbers:
204 (-002 & -004)
All
Distribution Board Fuses (2)
[Ritter model shown. Location for Midmark models is the same.]
604 (-002 & -003)
All
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