Weinmann OXYWAY Fix I User manual

OXYWAY
Pressure reducer from serial number 1810000
Fix I, Fix III (fixed)
Fast I, Fast I+, Fast II, Fast III (multistep)
Fine I (variable)
Click (multistep)
Service Manual

2EN OXYWAY
WM 66611 07/2021
Table of Contents
Table of Contents
1 Introduction .................................................. 8
1.1 About this document ...................................................... 8
1.2 Navigation in this document ........................................... 8
1.3 Function ......................................................................... 9
2 Safety .......................................................... 14
2.1 Safety information in this service manual ...................... 14
2.2 Basic hazards ............................................................... 14
3 Description .................................................. 16
4 Labeling ....................................................... 17
5 Maintenance ............................................... 18
5.1 General instructions ...................................................... 18
5.2 Intervals ....................................................................... 18
5.3 Performing maintenance ............................................... 19
5.4 Sending in parts ........................................................... 20
6 Hygienic reprocessing ................................ 21
7 Final inspection OXYWAY Fix I,
OXYWAY Fix III ............................................ 22
7.1 Safety during final inspection ........................................ 22
7.2 General instructions ...................................................... 22
7.3 Required test and auxiliary equipment .......................... 23
7.4 Preparing the final inspection ....................................... 23
7.5 Checking the system for leaks ....................................... 24
7.6 Checking the contents indicator .................................... 25
7.7 Checking the static outlet pressure p4 ........................... 26
7.8 Checking the constant output (flow) ............................. 28
7.9 Checking the accessories .............................................. 29
8 Final inspection OXYWAY Fast I,
OXYWAY Fast I+, OXYWAY Fast III ............ 30
8.1 General instructions ...................................................... 30
8.2 Required test and auxiliary equipment .......................... 31
8.3 Preparing the final inspection ....................................... 31
8.4 Checking the system for leaks ....................................... 32
8.5 Checking the contents indicator .................................... 33
8.6 Checking the static outlet pressure p4 ........................... 33
8.7 Checking the constant output (flow)
at the inhalation outlet ................................................. 35
8.8 Checking the accessories .............................................. 37
9 Final inspection OXYWAY Fast II ............... 38
9.1 General instructions ...................................................... 38
9.2 Required test and auxiliary equipment .......................... 39
9.3 Preparing the final inspection ....................................... 39
9.4 Checking the system for leaks ....................................... 40
9.5 Checking the contents indicator .................................... 41
9.6 Checking the static outlet pressure p4 ........................... 42
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WM 66611 07/2021
OXYWAY EN 3
Table of Contents
9.7 Checking the constant output (flow)
at the pressure outlet .................................................... 43
9.8 Checking the constant output (flow)
at the inhalation outlet ................................................. 44
9.9 Checking the accessories .............................................. 45
10 Final inspection OXYWAY Fine I ............... 46
10.1 General instructions ...................................................... 46
10.2 Required test and auxiliary equipment ........................... 47
10.3 Preparing the final inspection ........................................ 47
10.4 Checking the system for leaks ....................................... 48
10.5 Checking the contents indicator .................................... 49
10.6 Checking the flow indicator .......................................... 50
10.7 Checking the static outlet pressure p4 ........................... 50
10.8 Checking the constant output (flow)
at the inhalation outlet ................................................. 52
10.9 Checking the accessories .............................................. 53
11 Final inspection OXYWAY Click ................ 54
11.1 General instructions ...................................................... 54
11.2 Required test and auxiliary equipment ........................... 55
11.3 Preparing the final inspection ........................................ 55
11.4 Checking the system for leaks ....................................... 56
11.5 Checking the constant output (flow)
at the inhalation outlet ................................................. 57
11.6 Checking the accessories .............................................. 58
12 Faults .......................................................... 59
13 Repairs to OXYWAY Fix I,
OXYWAY Fix III ........................................... 62
13.1 General instructions ...................................................... 62
13.2 Repair steps ................................................................. 62
13.3 Replacing a label .......................................................... 66
13.4 Replacing the pressure screw in the pressure outlet/
inhalation outlet ........................................................... 66
13.5 Replacing the sealing disks and nozzle plate
in the inhalation outlet ................................................. 67
13.6 Replacing the O-ring in the connecting bolt ................... 68
13.7 Replacing the disposable filter ...................................... 68
13.8 Replacing the connecting bolt ....................................... 69
13.9 Replacing the hand-screwed connection ........................ 71
13.10Replacing the rib filter .................................................. 71
13.11Replacing the pressure outlet/inhalation outlet ............. 73
13.12Replacing the O2coupling ............................................ 75
13.13Replacing the spring for the piston ............................... 76
13.14Replacing the piston .................................................... 78
13.15Replacing the threaded locking pin ............................... 79
13.16Replacing the contents indicator .................................. 79
13.17Replacing the O-ring in the contents indicator .............. 80
13.18Replacing the housing cover ......................................... 81
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4EN OXYWAY
WM 66611 07/2021
Table of Contents
14 Repairs to OXYWAY Fast I,
OXYWAY Fast I+, OXYWAY Fast III ............ 82
14.1 General instructions ...................................................... 82
14.2 Sequence of repair steps ............................................... 82
14.3 Assemblies ................................................................... 88
14.4 Replacing a label .......................................................... 88
14.5 Replacing the pressure screw in the inhalation outlet .... 89
14.6 Replacing the sieve and nozzle plate
in the inhalation outlet ................................................. 90
14.7 Replacing the O-ring in the connecting bolt ................... 90
14.8 Replacing the disposable filter ...................................... 91
14.9 Replacing the connecting bolt ....................................... 92
14.10Replacing the hand-screwed connection ....................... 93
14.11Replacing the rib filter .................................................. 94
14.12Replacing the inhalation outlet ..................................... 95
14.13Replacing the multistep flow selector assembly ............. 97
14.14Replacing the spring for the piston ............................... 99
14.15Replacing the threaded locking pin ............................ 100
14.16Replacing the piston .................................................. 100
14.17Disassembling/assembling the multistep flow
selector assembly ...................................................... 101
14.18Replacing the O-ring in the contents indicator ............ 104
14.19Replacing the contents indicator ................................ 105
14.20Disassembling/assembling the orifice plate assembly .. 106
14.21Replacing the threaded pin in the multistep
flow selector .............................................................. 108
14.22Replacing the multistep flow selector ......................... 109
14.23Replacing the balls ..................................................... 109
14.24Replacing the springs ................................................. 110
14.25Replacing the needle ................................................. 111
14.26Replacing the sliding ring ........................................... 111
14.27Disassembling/assembling the cover assembly ............ 112
14.28Replacing the O-ring in the housing cover .................. 117
14.29Replacing the O-rings in the multistep flow selector .... 119
14.30Replacing the housing cover ...................................... 120
14.31Replacing the multistep flow selector ......................... 120
14.32Replacing the union nut ............................................. 121
14.33Replacing the holder for the orifice plate .................... 122
14.34Replacing the orifice plate .......................................... 123
14.35Replacing the slide disk .............................................. 123
15 Repairs to OXYWAY Fast II ...................... 125
15.1 General instructions .................................................... 125
15.2 Sequence of repair steps ............................................. 125
15.3 Assemblies ................................................................. 131
15.4 Replacing a label ........................................................ 131
15.5 Replacing the pressure screw in the inhalation outlet .. 132
15.6 Replacing the sieve and nozzle plate
in the inhalation outlet ............................................... 133
15.7 Replacing the pressure screw in the pressure outlet ..... 133
15.8 Replacing the O-ring in the connecting bolt ................. 134
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WM 66611 07/2021
OXYWAY EN 5
Table of Contents
15.9 Replacing the disposable filter .................................... 135
15.10Replacing the connecting bolt .................................... 135
15.11Replacing the hand-screwed connection ..................... 137
15.12Replacing the rib filter ................................................ 137
15.13Replacing the inhalation outlet ................................... 139
15.14Replacing the pressure outlet ..................................... 141
15.15Replacing the O2coupling .......................................... 142
15.16Replacing the multistep flow selector assembly ........... 144
15.17Replacing the spring for the piston ............................. 146
15.18Replacing the threaded locking pin ............................. 147
15.19Replacing the piston .................................................. 147
15.20Disassembling/assembling the multistep flow
selector assembly ...................................................... 148
15.21Replacing the O-ring in the contents indicator ............ 151
15.22Replacing the contents indicator ................................ 152
15.23Disassembling/assembling the orifice plate assembly .. 153
15.24Replacing the threaded pin in the multistep
flow selector .............................................................. 154
15.25Replacing the multistep flow selector ......................... 155
15.26Replacing the balls ..................................................... 156
15.27Replacing the springs ................................................. 157
15.28Replacing the needle .................................................. 157
15.29Replacing the sliding ring ........................................... 158
15.30Disassembling/assembling the cover assembly ............ 159
15.31Replacing the O-ring in the housing cover .................. 164
15.32Replacing the O-rings in the multistep flow selector .... 165
15.33Replacing the housing cover ....................................... 166
15.34Replacing the multistep flow selector ......................... 166
15.35Replacing the union nut ............................................. 167
15.36Replacing the holder for the orifice plate .................... 168
15.37Replacing the orifice plate .......................................... 168
15.38Replacing the slide disk .............................................. 169
16 Repairs to OXYWAY Fine I ....................... 171
16.1 General instructions .................................................... 171
16.2 Sequence of repair steps ............................................. 171
16.3 Assemblies ................................................................. 177
16.4 Replacing a label ........................................................ 177
16.5 Replacing the pressure screw in the inhalation outlet .. 178
16.6 Replacing the sealing disks and nozzle plate
in the inhalation outlet ............................................... 178
16.7 Replacing the pressure gauge cap as protection
against impact and falling ........................................... 179
16.8 Replacing the O-ring in the connecting bolt ................. 179
16.9 Replacing the disposable filter .................................... 180
16.10Replacing the connecting bolt .................................... 181
16.11Replacing the hand-screwed connection ..................... 183
16.12Replacing the rib filter ................................................ 183
16.13Replacing the inhalation outlet ................................... 185
16.14Replacing the cover for the multistep flow selector ..... 187
16.15Replacing the hexagon nut ......................................... 187
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6EN OXYWAY
WM 66611 07/2021
Table of Contents
16.16Replacing the multistep flow selector ......................... 188
16.17Replacing the driving plate ......................................... 188
16.18Replacing the assembly housing cover ........................ 189
16.19Replacing the spring for the piston ............................. 191
16.20Replacing the piston .................................................. 192
16.21Replacing the spring for the lifting pin ........................ 193
16.22Replacing the lifting pin with shoulder ....................... 194
16.23Replacing the spindle ................................................. 196
16.24Replacing the housing cover ...................................... 197
16.25Replacing the contents indicator ................................ 198
16.26Replacing the flow indicator ....................................... 200
17 Repairs to OXYWAY Click ........................ 202
17.1 General instructions .................................................... 202
17.2 Sequence of repair steps ............................................. 202
17.3 Assemblies ................................................................. 207
17.4 Replacing a label ........................................................ 207
17.5 Replacing the pressure screw in the inhalation outlet .. 208
17.6 Replacing the sieve and nozzle plate
in the inhalation outlet ............................................... 209
17.7 Replacing the inhalation outlet ................................... 209
17.8 Replacing the multistep flow selector assembly ........... 211
17.9 Disassembling/assembling the multistep flow
selector assembly ....................................................... 212
17.10Disassembling/assembling the orifice plate assembly .. 215
17.11Replacing the threaded pin in the multistep
flow selector .............................................................. 216
17.12Replacing the multistep flow selector ......................... 217
17.13Replacing the balls ..................................................... 218
17.14Replacing the springs ................................................. 218
17.15Replacing the needle ................................................. 219
17.16Replacing the sliding ring ........................................... 219
17.17Disassembling/assembling the cover assembly ............ 220
17.18Replacing the O-ring in the housing cover .................. 225
17.19Replacing the O-rings in the multistep flow selector .... 226
17.20Replacing the housing cover ...................................... 226
17.21Replacing the multistep flow selector ......................... 227
17.22Replacing the union nut ............................................. 228
17.23Replacing the holder for the orifice plate .................... 228
17.24Replacing the orifice plate .......................................... 229
17.25Replacing the slide disk .............................................. 230
17.26Replacing the O2sampling point ................................ 230
17.27Replacing the housing ............................................... 231
17.28Replacing the disposable filter .................................... 233
18 Replacement parts .................................. 234
18.1 Replacement parts ...................................................... 234
18.2 Connections for pressure reducers ............................... 241
18.3 O2couplings for OXYWAY Fix III, OXYWAY Fast II ...... 242
18.4 O2sampling points for OXYWAY Click ........................ 242
18.5 Labels for pressure reducers ........................................ 242
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WM 66611 07/2021
OXYWAY EN 7
Table of Contents
19 Storage and disposal ............................... 249
20 Accessories ............................................... 250
20.1 Accessories and other parts ........................................ 250
21 Required auxiliary equipment ................ 251
21.1 Tools .......................................................................... 251
21.2 Test equipment and auxiliary equipment ..................... 253
22 Technical data .......................................... 255
23 Technical changes .................................... 256
23.1 Technical changes to hardware ................................... 256
24 Test reports .............................................. 256
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8EN OXYWAY
WM 66611 07/2021
Introduction
1 Introduction
1.1 About this document
The aim of this service manual is to familiarize you with the device in
terms of function, technology, maintenance and repairs. This enables
you to:
• instruct customers
• rectify faults
• carry out final inspections
• carry out repairs and maintenance
However, please observe the following:
• You are responsible for all repairs carried out by yourself and
for the warranty thereof!
• Only use original spare parts from WEINMANN Emergency.
• Please observe the accompanying documentation
(instructions for use).
Read this service manual carefully before any use, care or maintenance
of the device. To ensure the safe repair of the device, compliance with
all the safety information and operating procedures stated in this
service manual must be ensured.
In addition, the local accident prevention regulations and general
safety provisions for use of the device apply.
Diagrams in this service manual serve to improve basic understanding
and may differ from the actual design. No claims can be derived from
any deviations.
If there are no significant differences between the pressure reducers,
only one model is usually depicted. This affects chapters such as
"Final inspection" and "Repairs".
If you have any queries or feedback, please contact our Technical
Support Management:
T: [phone]
F: [phone]
E: [e-mail]
1.2 Navigation in this document
The buttons below provide a quick way to navigate through this
document:
• To view the last page you looked at, click the Back button.
• Example: If you are on page 30 and the last page you viewed was
page 20, clicking the Back button will take you back to page 20.
• To return to the page you were viewing prior to clicking the Back
button, click the Forward button.
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WM 66611 07/2021
OXYWAY EN 9
Introduction
• Example: If you were on page 20 and you clicked the Back button
to skip back to page 10, clicking the Forward button would return
you to page 20.
• Click the Contents button to go to the Table of Contents.
• Click the Previous Page button to go to the previous page.
• Click the Next Page button to go to the next page.
1.3 Function
1.3.1 OXYWAY Fix I, Fix III setup
The oxygen from the oxygen cylinder enters the pressure reducer
through the connecting bolt with hand-screwed connection and
2 filters in series. When the cylinder valve is open, the cylinder pressure
in the pressure reducer is reduced by a piston with spring to 0.5 bar
to 6 bar depending on the device type.
The cylinder pressure can be read off at the contents indicator.
The pressure reducer is protected against excessive pressure by
a safety valve.
Connecting bolt
with
hand-screwed connection
Disposable
filter Rib filter Piston with spring
Pressure outlet/
inhalation outlet
Contents
indicator
Safety
valve
Low pressure High pressure
OXYWAY
Fix I, Fix III
Mechanics
Housing Housing cover
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10 EN OXYWAY
WM 66611 07/2021
Introduction
1.3.2 OXYWAY Fast I, Fast I+, Fast III, Fast II setup
Multistep
flow
selector
Connecting bolt
with
hand-screwed connection
Disposable
filter Rib filter Piston with spring
Contents
indicator
Safety
valve
Low pressure High pressure
OXYWAY
Fast I, Fast I+,
Fast III
Mechanics
Housing Housing cover
Inhalation
outlet
Orifice
plate
Multistep flow selector
Multistep
flow
selector
Connecting bolt
with
hand-screwed connection
Disposable
filter Rib filter Piston with spring
Pressure
outlet
Contents
indicator
Safety
valve
Low pressure High pressure
OXYWAY
Fast II
Mechanics
Housing Housing cover
Inhalation
outlet
Orifice plate
Multistep flow selector
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WM 66611 07/2021
OXYWAY EN 11
Introduction
The oxygen from the oxygen cylinder enters the pressure reducer
through the connecting bolt with hand-screwed connection and
2 filters in series.
When the cylinder valve is open, the cylinder pressure in the pressure
reducer is reduced by a piston with spring to 6 bar.
With multistep pressure reducers OXYWAY Fast I and OXYWAY Fast II,
there is an orifice plate with various orifice diameters in the multistep
flow selector. The orifice diameter is adjusted using the multistep flow
selector. Different inhalation values are output via the inhalation outlet
depending on the setting of the multistep flow selector.
The cylinder pressure can be read off at the contents indicator.
The pressure reducer is protected against excessive pressure by a safety
valve.
OXYWAY Fast II has a pressure outlet as well as the inhalation outlet.
It is not permitted to operate both outlets at the same time.
1.3.3 OXYWAY Fine I setup
The oxygen from the oxygen cylinder enters the pressure reducer
through the connecting bolt with hand-screwed connection and
2 filters in series.
When the cylinder valve is open, the cylinder pressure in the pressure
reducer is reduced by a piston with spring to 7 bar.
Flow
indicator
Multistep
flow
selector
Connecting bolt
with
hand-screwed connection
Disposable
filter Rib filter
Piston with spring
Contents
indicator
Safety
valve
Low pressure High pressure
Inhalation
outlet
OXYWAY
Fine I
Mechanics
Housing Housing cover
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12 EN OXYWAY
WM 66611 07/2021
Introduction
The piston is acted on by a second spring which is adjustable by means
of a spindle system and which therefore generates different rated
outlet pressures. This means that the flow can be variably adjusted in
connection with the nozzle plate in the inhalation outlet. The adjusted
flow is read off at the flow indicator.
The pressure reducer is protected against excessive pressure by a safety
valve.
1.3.4 OXYWAY Click setup
During operation, the oxygen enters the housing from the central gas
supply system via the O2sampling point on the pressure reducer with
a pressure of 4.5 bar.
With OXYWAY Click, there is an orifice plate with various orifice
diameters in the multistep flow selector. The orifice diameter is
adjusted using the multistep flow selector. Different inhalation values
are output via the inhalation outlet depending on the setting of the
multistep flow selector.
Multistep
flow
selector
O2 sampling point Disposable
filter
Low pressure
OXYWAY
Click
Mechanics
Housing Housing cover
Inhalation outlet
Orifice plate
Multistep flow selector
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WM 66611 07/2021
OXYWAY EN 13
Introduction
1.3.5 Assemblies
The device comprises the following assemblies:
•
Assembly Tasks
Connecting bolt with hand-screwed connection
(exception: OXYWAY Click)
Connects the pressure reducer to the oxygen cylinder. Carries the high pressure to the
pressure reducer housing.
Disposable filter Protects against external soiling.
Rib filter
(exception: OXYWAY Click) Protects against external soiling.
Multistep flow selector
(exception: OXYWAY Fix I) Used to set inhalation flow.
Multistep flow selector with orifice plate
(only OXYWAY Fast I, OXYWAY Fast I+,
OXYWAY Fast II, OXYWAY Fast III, OXYWAY Click)
Used for inhalation flow dosing.
Piston
(exception: OXYWAY Click) Reduces the inlet pressure to a constant pressure together with the spring.
Spring
(exception: OXYWAY Click) Reduces the inlet pressure to a constant pressure together with the piston.
Contents indicator
(exception: OXYWAY Click) Indicates cylinder pressure.
Flow indicator
(OXYWAY Fine only) Shows the set inhalation flow.
Pressure outlet
(only OXYWAY Fix I, OXYWAY Fast II) Connects the pressure reducer with a connected device.
Inhalation outlet Connects the pressure reducer with connected accessories (e.g., nasal cannulas, masks,
intermediate humidifiers).
Safety valve
(exception: OXYWAY Click) Protects against excessively high pressure.
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14 EN OXYWAY
WM 66611 07/2021
Safety
2 Safety
2.1 Safety information in this service
manual
2.2 Basic hazards
2.2.1 Risk of injury from misuse or damage to device
from failure to observe the information in this
service manual
Intended use includes compliance with all the information in this
service manual! Any usage which goes beyond or which is in
contradiction to the intended use shall be regarded as misuse.
Failure to observe the information in this service manual and in the
instructions for use can result in incorrect operation of or damage to
the device and may result in serious injury or death for the patient,
user or bystanders.
Note the safety information in the instructions for use and the
service manual.
Observe all chapters in the instructions for use and the service
manual.
Never perform any work on the pressure reducer other than that
which is described here.
Never make construction changes to the pressure reducer.
Only use original accessories and spare parts.
2.2.2 Preventing pressure hammer
Pressure hammer can cause the pressure reducer to spontaneously
combust.
Open the valve of the oxygen cylinder slowly.
If possible, set the inhalation flow to 0after operation.
Danger!
DANGER indicates a hazardous situation that, if not avoided,
will result in death or serious injury.
Warning!
WARNING indicates a hazardous situation that, if not avoided,
could result in death or serious injury.
Caution!
CAUTION indicates a hazardous situation that, if not avoided,
could result in minor or moderate injury.
Notice!
NOTICE indicates information considered important, but not
hazard-related (e.g., messages related to damage to property or
the environment).
Designates useful tips relating to a particular action.
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WM 66611 07/2021
OXYWAY EN 15
Safety
2.2.3 Avoiding uncontrolled oxygen administration
Not all outlets have a check valve which closes the outlets automatically
when a connection hose (pressure outlet) or inhalation accessories
(inhalation outlet) are removed. As a result, oxygen can escape
unchecked and raise the oxygen content of the immediate
surroundings. This can lead to a fire if ventilation is inadequate.
Close the oxygen cylinder when changing the device.
Vent the system.
2.2.4 Avoiding the use of oxygen in combination with
combustible substances
The combination of oxygen and combustible substances may lead to
spontaneous, serious fires. Where ventilation is inadequate, oxygen
may build up in the environment (e.g., clothing, hair, bed linen) and
cause fires and thereby injuries to the patient, user and bystanders.
Do not smoke.
Do not use open flames.
Ensure adequate ventilation.
Keep the device and all the screwed unions completely free from oil
and grease.
Do not immerse the device in a disinfectant or any other cleaning
solution.
Wash your hands before working on the oxygen supply.
Do not point the oxygen cylinder connection towards yourself
or anyone else.
2.2.5 Risk of injury from highly compressed oxygen
When combined with highly compressed oxygen, hydrocarbon
compounds can cause explosions.
Wash your hands before handling the pressure reducer and
the oxygen cylinder.
Do not use any oil, grease, cleaning alcohols, hand cream or
adhesive plasters.
2.2.6 Preventing the escape of oxygen from damaged
oxygen cylinders or pressure reducers
Oxygen can escape unchecked from damaged oxygen cylinders or
pressure reducers. This may lead to explosions and cause injury to
the patient, user and bystanders.
Tighten or loosen all screwed unions on the oxygen cylinder and
on the pressure reducer by hand only. If necessary, use a wrench
suitable for pin index oxygen cylinders.
Secure the oxygen cylinder so that it cannot fall over.
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16 EN OXYWAY
WM 66611 07/2021
Description
3 Description
The contents of this chapter can be found in the instructions for use
for this medical device at www.weinmann-emergency.com.
Please observe the information given in the instructions for use,
especially the safety information.
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WM 66611 07/2021
OXYWAY EN 17
Labeling
4 Labeling
Symbol Description
Article number
Serial number (see engraving on housing)
P1 Maximum permissible inlet pressure
P2 Working pressure of pressure reducer
Q1 Maximum output at inhalation outlet
Observe the instructions for use
CE mark (confirms that the device complies with the applicable European directives)
xxl/min Maximum output at pressure outlet
The pressure reducer must not come into contact with flammable substances (oil, alcohol, grease, etc.)
as there is a risk of explosion when such substances react with oxygen
Replace the disposable filter every 2 years
Service label: Indicates when the next maintenance is required
Store in a dry place
Fragile
Latex-free
Storage humidity range limits
Storage temperature range limits
REF
SN
20
70
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18 EN OXYWAY
WM 66611 07/2021
Maintenance
5 Maintenance
5.1 General instructions
• A final inspection must be performed after every maintenance
procedure or technical safety check.
• Maintenance, technical safety checks, inspections and repairs
must only be carried out by WEINMANN Emergency or a technician
specifically authorized by WEINMANN Emergency.
5.2 Intervals
Fault or treatment failure due to insufficient or incorrect
maintenance!
Incorrect maintenance can lead to dangerous situations and failure
or malfunctioning of the device. This can result in severe or life-
threatening injury to the patient and bystanders.
Make sure that maintenance, technical safety checks and
maintenance measures are only performed by the manufacturer
or technicians who have been expressly authorized by the
manufacturer.
Also observe and comply with the maintenance intervals for
devices in storage.
Follow the maintenance intervals as stated on the device labeling.
Perform a full function check before every use.
Part concerned Interval Maintenance by
Pressure reducer
Maintenance every
6years
Manufacturer or a technician
specifically authorized by the
manufacturer
Technical Safety Check
("Sicherheitstechnische
Kontrolle" STK* in
accordance with § 11 of
the German regulation
MPBetreibV) every 2 years
Disposable filter
(exceptions:
OXYWAY Click and
pressure reducers
with PIN-Index
connection)
Replace every 2 years
(or immediately if soiled)
User/operator
• OXYWAY Fix I,
OXYWAY Fix III:
(see "13.7 Replacing the
disposable filter", page 68)
• OXYWAY Fast I,
OXYWAY Fast I+,
OXYWAY Fast III:
(see "14.8 Replacing the
disposable filter", page 91)
• OXYWAY Fast II:
(see "15.9 Replacing the
disposable filter", page 135)
• OXYWAY Fine I:
(see "16.9 Replacing the
disposable filter", page 180)
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WM 66611 07/2021
OXYWAY EN 19
Maintenance
* If a medical device from Annex 1 of the MPBetreibV [German
regulation concerning the operators of medical devices] is connected
to this device (a ventilator, for example). This safety check (STK)
regulation in Section 11 of the German regulations governing
owners/operators of medical devices is governed by German
legislation.
5.3 Performing maintenance
Requirement The device has been hygienically reprocessed.
1. Perform maintenance as per the chapter references
(see "18.5.7 Contents of maintenance set", page 246).
2. Carry out a final inspection:
• OXYWAY Fix I, OXYWAY Fix III:
(see "7 Final inspection OXYWAY Fix I, OXYWAY Fix III",
page 22).
• OXYWAY Fast I, OXYWAY Fast I+, OXYWAY Fast III:
(see "8 Final inspection OXYWAY Fast I, OXYWAY Fast I+,
OXYWAY Fast III", page 30).
• OXYWAY Fast II:
(see "9 Final inspection OXYWAY Fast II", page 38).
•OXYWAYFineI:
(see "10 Final inspection OXYWAY Fine I", page 46).
• OXYWAY Click:
(see "11 Final inspection OXYWAY Click", page 54).
Result The device has been maintained.
Disposable filter
(OXYWAY Click)
Replace every 2 years
(or immediately if soiled)
Manufacturer or a technician
specifically authorized by the
manufacturer
• OXYWAY Click:
(see "17.28 Replacing the
disposable filter", page 233)
Disposable filter for
pressure reducers
with PIN-Index
connection
Every 6 years
Manufacturer or a technician
specifically authorized by the
manufacturer
Part concerned Interval Maintenance by
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20 EN OXYWAY
WM 66611 07/2021
Maintenance
5.4 Sending in parts
1. Disassemble parts.
2. Clean and disinfect parts.
3. Send in the parts to WEINMANN Emergency or to a technician
specifically authorized by WEINMANN Emergency.
Risk of infection from contaminated parts!
The device, accessories and other parts may be contaminated and
infect the technicians with bacteria or viruses. Sent in parts which are
visibly contaminated will be disposed of by WEINMANN Emergency or
personnel authorized by WEINMANN Emergency at the expense of the
sender.
Clean and disinfect the parts required for maintenance measures.
Do not send in parts which are potentially contaminated.
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