Porter 2045-3 “E”, 2045-SHORT3 “E” Installation And Instructions Manual

Parker Hannifin Corporation

Precision Fluidics Division

Porter Instrument
245 Township Line Road
Hatfield, PA 19440
Office 215-723-4000/Fax [phone]

MOBILE “E” TANK STAND INSTALLATION AND INSTRUCTIONS

Warnings and
Precautions

Important: In addition to

these Mobile “E” Tank

Stand Instructions, read
the Conscious Sedation

Flowmeter User’s Manual /

Instructions , which
includes these flowmeter
topics:

 Warnings and

Precautions

 Delivery Technique
 Safety Checks
 Maintenance and

Troubleshooting.

Examination

Examine shipping carton for signs of
external damage.
Remove contents from carton and inspect
for visible damage or missing parts.
Remove any accessories.
Check that hoses are connected.
If damage is discovered or suspected
and/or parts are missing, notify Porter or
authorized distributor immediately.

Perform initial monthly leak test prior to
use.

PORTER CUSTOMER SERVICE: 215-723-4000

www.porterinstrument.com

WARNING
Verify gas indexing pins locations.
See illustrations in
Attachment of Cylinders

FM-916 Rev. H 9/16

Warnings and

2

Precautions

These warnings and precautions are to help you
to understand how to safely operate a Mobile E­Stand in a Conscious Sedation System. A
WARNING alerts you to a possible hazard to
people. A CAUTION alerts you to the possibility
of equipment damage.

WARNING: New or modified installations ­properly connected gas pipelines (external
supply to E-Stand) are absolutely essential to
patient safety. The ultimate responsibility of
assuring that lines are not crossed rests with
the user. See next page for details.

WARNING: Porter Instrument equipment utilizes

the cross+protection system. The flexible hose
and connectors that connect to the E-Block and
the flowmeter inputs are diameter indexed; 3/8”

O.D. for Nitrous Oxide and ½” O.D. for Oxygen.

The cross+protection system is designed to
prevent misconnection of Oxygen and Nitrous
Oxide hoses. DO NOT ATTEMPT TO CHANGE

THE DIAMETERS OR CONNECTORS OF THE
E-Block! Tampering with the cross+protection

system constitutes acceptance of liability by the
installer.

WARNING: The E-Stand within a Conscious
Sedation System, with Flowmeter, is intended to
be used by medical personnel trained in the
flowmeter device use and the use of nitrous oxide
and oxygen for medical applications.

WARNING: Do not use the Flowmeter device for
the administration of general anesthesia or as a
part of, or in conjunction with, a general
anesthesia administration system.

WARNING:

Inspect and maintain the analgesia delivery
system to prevent N2O leaks in all hoses,
connections and fittings. This includes the
delivery system (E-Stand is mounting accessory)

and the hoses and connections to the E-Block.
Have all leaks repaired immediately.

WARNING: Use Scavenging: Medical workers
are exposed to N2O during administration of
N2O/O2 conscious sedation analgesia. Controls
are effective in the patient treatment area to
achieve low levels of ppm (parts per million)
exposure. Controls include System Maintenance,
Ventilation and Work Practices. Your accessory
Scavenger System is an important part of the
system of controls in medical settings.

WARNING: (connections for external gas
supplies): 50 - 55 psi line pressure. Follow safe
connection protocol in this order: Connect

external gas supply hoses to DISS (Diameter
Indexed Safety System) fittings of Flowmeter (O2
first); then connect to external supply source. Do
not disconnect with supply line pressurized
[disconnect at supply source per appropriate safe
protocol].

WARNING: During any power outage, remember
to turn OFF the flowmeter and manually turn OFF
the tank valves (or external supplies). With
centralized, electrically powered gas systems, if
gas was flowing when the power went out and
the flowmeter is left ON, gas will be flowing when
the power is restored.

CAUTION: Always use clean, dry medical grade
gases. Introduction of moisture or other
contaminants into the system and flowmeter
device may result in defective operation.

CAUTION: Do not attempt to repair, alter or
calibrate the system or flowmeter device (except

as directed in Porter User’s Manuals).

Unauthorized repair, alteration or misuse of the
flowmeter device is likely to adversely affect the
performance and will void the warranty.

CAUTION: Never oil or grease any part of this
system (minimize fire or explosion potential).

WARNING: NEW OR MODIFIED INSTALLATIONS

ALWAYS ASSURE THAT LINES ARE NOT CROSSED!

WARNING: External Source Connections: New or modified central supply installations - properly
connected gas pipelines leading to any external supply of the E-Stand are absolutely essential to
patient safety. The authorized distributor or contractor should provide written documentation that all gas

pipelines are connected properly and that the system has been pressure tested prior to use. While this is
a good business practice, it is important that the user verify by their own test, independent of the
authorized distributor or contractor, that all gas pipelines are connected correctly prior to using the
system. The ultimate responsibility of assuring that lines are not crossed rests with the user.

Do not allow crossed lines to defeat the safety features of the E-Stand, with any external gas

supply, and/or central gas supply manifold systems. Crossed lines will create a dangerous and
hazardous condition where, under a loss of oxygen supply, 100% nitrous oxide will be delivered
through the oxygen delivery path and subsequently to the patient.

Use patient observation to prevent over sedation. If a patient becomes over sedated when being
delivered 100% oxygen [during an apparent loss of nitrous oxide supply], it is a definite
indication of crossed lines. If crossed lines are suspected, remove the mask immediately and
encourage mouth breathing. Deliver pure oxygen from an oxygen demand valve only if the
oxygen source is independent from the suspected crossed lines area.

INTENDED USE:
Flowmeter for a conscious sedation system:

The flowmeter device is intended for patient use and delivers a mixture of nitrous oxide and oxygen
gases during an analgesia (moderate) conscious sedation procedure in a medical healthcare setting by
trained medical personnel. Porter Instrument recommends the user be thoroughly familiar with the use
of Nitrous Oxide - Oxygen Conscious Sedation for patient analgesia and be properly trained in its
administration prior to using this product. For training requirements on the administration of Nitrous
Oxide - Oxygen Conscious Sedation, contact the appropriate regulatory authority in your country, state,
or province. Training is recommended to provide a practical, hands-on capability and an understanding
of the behavioral aspects of Nitrous Oxide Sedation and will complement the safety features of this
device.

INTENDED USE:
Mobile “E” Tank Stand within a conscious sedation system:

The Porter Mobile “E” Tank Stand is for use with two “E” tanks of O2 and two “E” tanks of N2O. The two
pressure gages reflect tank pressure only. When the gas supply is opened, gas will flow through the
check valves into the block and be regulated down to 53 PSIG at the regulators, out through the hoses to
the flowmeter. The check valves prevent the gas from flowing between tanks or out into the room if only
one tank is in use. Each Mobile Stand may be adjusted to a desired height for operatory use and
storage.

3

Model 2045-3 “E” Stand (Figure 1)

The Tall Mobile “E” Tank Stand 2045-3 features
swivel yokes for ease of installing and removing the
O2 and N2O tanks on the stand. The stand height
adjusts from 42” to 50” to top of the meter.

Mounting Flowmeter to “E” Stand

1. Screw the bottom of flowmeter to the top of the
center post on the mobile “E Stand as in Figure

1.

2. To telescope flowmeter, loosen knob (not

shown) on rear of “E” block, position flowmeter,

retighten knob.

Caution: Fully tighten the knob after attaching
flowmeter. Failure to do so may result in damage to
flowmeter or to E-Stand.

Caution: Do not remove snap ring or o-ring on inner
post assembly (Item 2). Removing either of these
items may result in damage to flowmeter or to E­Stand.

Model 2045-SHORT3 “E” Stand (Figure 2)

The Porter Mobile “E” Tank Stand 2045­SHORT3 features swivel yokes for ease of
installing and removing the O2 and N2O tanks on

the stand. The stand height adjusts from 31” to

41” to top of the meter. The mounting bracket

design allows for flowmeter installation and
adjustment to the desired height for operatory
use, and then to be adjusted for under the
counter storage.

Mounting Flowmeter to “E” Stand

Figure 1 – Model 2045-3

“E” Stand with Flowmeter

Figure 2 – Model 2045-SHORT3

“E” Stand with Flowmeter

1. Remove cap from flowmeter mounting
adapter using Philips screwdriver.

2. Slide mounting bracket on back of flowmeter
over mounting stem of “E” Stand.

3. Replace cap and tighten screw.
 Position small diameter of cap “down” to

allow for swivel mounting.

 Position small diameter cap “up” to fix

direction of flowmeter.

4. To telescope flowmeter, loosen knob on rear

of “E block, position flowmeter using knob on

angle bracket.

5. Retighten knob.

4

Proper Attachment of Gas Cylinders

Caution: When removing cylinders, always
be sure valves are closed tightly.

Fig. 3.1

Fig. 5.4

Fig. 6

Fig. 5.1

Fig. 3.6

Fig. 3.2

Fig. 3.3

Fig. 3.5

Fig. 3.4

Fig. 3.7

Fig. 4

1. Loosen the Tee Handle (Fig. 3.1) until point is
even with the inside of the Swivel Arm. Push Tee
Handle inwards to flip to open position. Align
Tee Handle vertically (Fig. 3.2).

2. Undo the Hook & Loop straps on the Cylinder
Restraint (Fig. 3.3)

3. Cylinder Preparation: Remove any plastic
wrap/washer from the top of cylinder. Verify that
the rubber washer (Fig. 3.5) provided with the E­Stand is still in place. Use the rubber E-Stand
washer (replace once/yr.).

4. Mount the “E” cylinders of Oxygen and Nitrous
Oxide (not included) to the E-Stand Block. Insert
cylinders correctly on indexing pins and as
marked on Block (N2O Figs. 3.4, 3.5; O2 Figs.

3.6, 3.7). Pins assure mounting in appropriate
position.

N2O pins Rubber

Washer

O

Pins

2

Warning

Do not remove or alter gas indexing pins

Verify correct pin locations per

illustrations.

5. Slide the cylinder into place by lining up the pins
and pin holes on the cylinder. Push into place.
Properly placed, the cylinder should hang on the
pins (Fig. 4).

6. Cylinders should hang freely between wheel
base. If the wheel base interferes, loosen and
rotate cylinder restraint.

7. Push inwards & Rotate swivel clockwise to close
(Fig. 5.1). Pull fully outwards on Tee Handle and
swivel will lock in place. Assure swivel is in
parallel alignment with E-Block surface (Figs. 5.2,

5.3). Gaps between swivel and posts should be
equal on both sides and the bolt head should not
be evident.
Fig. 5.2 Aligned Fig. 5.3 Misaligned

8. Swivel should stay in the locked aligned position
when Tee Handle is tightened securely.

Warning: Tee Handle not tightened

securely may result in cylinder

leakage with possible loud hissing or
popping sounds. Close cylinder valve and follow
procedures to correctly align and tighten Tee
Handle.

9. Secure the Hook & Loop straps to hold cylinder in
place (Fig. 5.4).

10. The Valve Wrench (hanging from black Knob) is
used to open/close Cylinder Valves (Fig. 6).

5

Cylinder (Tank) Operation / Maintenance

Cylinder Pressure Readings: Oxygen is a true

compressed gas, while in the cylinder, thus the
cylinder pressure gauge can be used to determine
the amount of gas remaining in the cylinder. For
example, 2000 psi indicates full, 1000 psi indicates
half full, etc. Nitrous Oxide is a liquefied compressed
gas that vaporizes in the cylinder, thus the cylinder
pressure gauge cannot be used to determine the
amount of gas remaining in the cylinder until all liquid
in the cylinder vaporizes. While liquid remains in the
cylinder, the cylinder pressure gauge indicates the
vapor pressure which depends on and varies with the
temperature of the liquid. For example, at 68ºF, the
vapor pressure is about 750 psi; at 20ºF, it drops to
about 400 psi; while at 90ºF, it increases to about
1000 psi. After all the liquid vaporizes, the pressure
will decrease normally as the gas is withdrawn, and
the cylinder pressure gauge can then be used to
determine the amount of gas remaining in the
cylinder.

Cautions
 Always turn on CYLINDER VALVES slowly

and fully.

 NEVER ATTEMPT TO LOOSEN cylinder valve

packing nut. If valve stem is tight, return
cylinder to supplier.

Warning: Do not remove or alter gas

indexing pins

Good Practices: Cylinders with E-Stand

1. Two cylinders of O2 and two cylinders of N2O are
typically connected at all times.

2. Minimize leak risks: Confirm Yoke Washers are
in place before replacing/mounting cylinders. Use
Porter #A-3399-000 replacement washers
(once/yr.). Have spare washers.

3. Minimize leak risks: With cylinder in position,
rotate swivel arm and move into secure locked
position when Tee Handle is tightened. To
prevent movement and potential damage to yoke
pins, always fasten the Hook & Loop strap
restraints around cylinders.

4. Assure E-Stand is populated with at least one full
cylinder of O2 and N2O before starting any
procedure.

5. Label each cylinder with a tag or sticker
indicating “In-Use” and “Full” (“Full” is reserve).

6. Use Cylinder Valve Wrench to open the “In-Use”
cylinders of O2 and N2O. Verify wrench is
attached to E-Block.

7. Cylinder pressure gages on E-Block provide a
visual indication of cylinder status (see details on
Cylinder Pressure Readings)

8. Caution: If all four cylinders (or both cylinders of
one gas) are open, the two cylinders of O2 and
N

O will deplete in tandem. The “Full” cylinder

2

will empty with the “In-Use” cylinder and will not
be available as a future spare.

9. When “In-Use” cylinder is depleted, open the
spare “Full” cylinder (Close valve on empty
cylinder).

10. When “In-Use” O2 cylinder is depleted, the
Oxygen Fail Safe will stop N2O flow through
flowmeter automatically.

11. When “In-Use” N2O cylinder is depleted, the
flowmeter will deliver 100% O2.

After use, turn off cylinder valves.

Connect to Gas Supply

1. Connect O2 hose to flowmeter.

2. Connect N2O hose to flowmeter.

3. Connect hoses to O2 / N2O outlet fittings on
regulators. (Figure 1)

Connecting Breathing Circuits

Refer to FM-809 for User Instructions for Assembly
Installation and Cleaning of Porter Scavenger Rubber
Goods System. Also for attachment of AVS
(Automatic Vacuum Switch) and Bag Tee (with Quick
Disconnect).

Refer to FM-1330 for Assembly and Installation of
Medical Breathing Circuit Scavenger System for
medical applications.

Monthly Check
Leak test the entire system for working pressure

leaks. Attach the hoses to a flowmeter and turn the

flow control knobs to the OFF position and the ON /
OFF switch to the OFF position.

Turn tanks ON. Pressurize the sedation gas supply
lines and “E” block with tank pressure. Turn tanks
OFF. Apply masking tape to both gage faces. Tap
lightly on gages and mark gage needle positions on
the masking tape. There should be little or no
movement of the gage needles after 15 minutes.
This test with the flowmeter tubing connections in

place tests the seal of the hose connectors, the “E”

Block and the flowmeter’s on / off switch.

6

CAUTION: When operating the swivel yoke, take
care not to catch or pinch fingers.

“E”-Block Cylinder Pressure Gauge
Replacement

Warning: High pressure (up to 2400 psi).

Turn OFF all tank valves / supply pressure.

Switch flowmeter on/off switch to the “on” position

and open both valves to vent the pressure.

1. Unscrew the pressure gauge.

2. Install new pressure gauge; verify PTFE tape is
applied to the NPT thread; tighten carefully so
as not to cross thread with the E-Block cavity.

3. Turn on tank valve slowly at location of the
open door.

4. Leak test per Initial and Monthly Check.

“E” Block Removal Instructions (Figure 8)

Warning: High pressure (up to 2400 psi). Turn
OFF all tank valves / supply pressure. Switch

flowmeter on/off switch to the “on” position and

open both valves to vent the pressure.

4. Remove O-ring from post.

5. Lift off “E” block.

“E” Block Installation

1. Install new “E” block assembly by reversing
above removal instructions.

Figure 7 – “E” Block with Swivel Yokes

Figure 8 – “E” Block

1. Unscrew (counter clockwise) the (2) Allen
screws that normally secures the block
assembly to the stand. (Use 1/8” Allen wrench.)

2. Unscrew knob and the screw that locks
telescoping post in position.

3. CAUTION: Do not allow post to drop into tube.
Push snap ring out of groove on telescoping
post.

7

Part Number

Qty Per

2045-3

2045-SHORT3

Item

Description

Unit

A-3369-000

NA

1

Mounting Stud with Washer

1

A-3372-000

A-4052-000

2

Inner Post Assembly with Mounting Stud

1

A-3399-000

3

Yoke Washers

4

B-1883-001

B-4668-000

4

Tube Assembly Only

1

PA-1185-000

5

Tank Wrench with Chain

1

C-1658-000

6

E-Stand Tank Restraint Kit

1

91505113

7

5 Star Base 1 PA-234-002

8

Caster 5 65958000

9

Ribbed End Cap

5

A-4060-000

10

Tee Bar Handle 4 A-3279K

11

Check Valve Assembly Kit

4

NA

B-4669-000

12

S- Bracket Assembly

1

8003

NA

13

3 Ft Hose, O2, Diss / Diss

1

8503

NA

14

3 Ft Hose, N2O, Diss / Diss

1

NA

8082

15

2 Ft Hose, O2, Diss / Diss Elbow

1

NA

8582

16

2 Ft Hose, N2O, Diss / Diss Elbow

1

64900409

17

Gauge O2 Cylinder Pressure (0-4000 psi)

1

64900408

18

Gauge N2O Cylinder Pressure (0-4000 psi)

1

Note: Do not recommend replacing regulators in the field. Return to Porter for servicing.

Bolt Head is Evident

Maintenance and Service – Recommended Replacement Parts

Troubleshooting the Attachment of Cylinders:

Warning: Tee Handle not tightened

securely may result in cylinder leakage with
possible loud hissing or popping sounds. Close
cylinder valve and follow procedures to correctly
align and tighten Tee Handle.

Aligned Swivel

Misaligned Swivel

See Attachment of Cylinders Section

- New Gaskets P/N: A-3399-000 (Replace all 4
once a year.

- Tee Handle is pulled outwards and aligned.

- Swivel is parallel with E-Block

- Bolt head not evident.

- Maintain aligned swivel position as Tee Handle
is securely tightened.

8

Replacing the Check Valve (Figure 9 & 10)

Warning: High pressure (up to 2400 psi).

Turn OFF all tank valves / supply pressure.

Switch flowmeter on/off switch to the “on”

position and open both valves to vent the pressure.

1. Back out Tee Handle (Item 10) until point is
even with the inside of the swivel arm.

2. Push Tee Handle “in” to open swivel.

3. Swing swivel arm open. (Figure 9)

4. Remove rubber washer (Item 3). It is
recommended that these be replaced once a
year.

5. Unscrew check valve assembly using a 5/8”
socket with ratchet.

6. Install new check valve assembly (Item 11) by
reversing above steps.

WARNING
Do not remove or alter gas indexing pins.

Figure 9 – Check Valve Replacement

Figure 10 – Check Valve Locations

9

CERTIFICATE OF WARRANTY

THIS WARRANTY IS GIVEN IN PLACE OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE.

Under no circumstances shall Parker Hannifin Corporation be liable for incidental or consequential
damages as those terms are defined in the uniform commercial code.

Parker Hannifin Corporation, Porter Instrument Division warrants that each product or part shall be free
from defects in workmanship and materials, under normal use and with appropriate maintenance, for one
(1) year from the date of delivery to customer unless otherwise specified in writing. All rubber and plastic
parts and accessories are warranted under the same conditions for a period of ninety (90) days from
date of purchase.

No statement or claim about the product by any employee, agent, representative, or dealer of Parker
Hannifin Corporation shall constitute a warranty by Parker Hannifin Corporation or give to rise to any
liability or obligation of Parker Hannifin Corporation.

Parker Hannifin Corporation shall not be liable for any damage, injury or loss arising out of the use of the
product, whether as a result of a defect in the product or otherwise, if, prior to such damage, injury or
loss, the product was (1) damaged or misused; (2) repaired, altered or modified by persons other than
Parker Hannifin Corporation; (3) not installed in strict compliance with applicable codes and ordinances;
or (4) not installed by an authorized Parker Hannifin Corporation dealer. Parker Hannifin Corporation's
obligation for breach of this warranty, or for negligence or otherwise, shall be strictly and exclusively
limited to the repair or replacement of the product or part. This warranty shall be void on any product on
which the serial number has been altered, defaced or removed.

ORDERS All orders are to be made through authorized Parker Hannifin Corporation distributors. All
billing will be done through said distributors. Direct orders will be handled through the authorized local
dealer as determined by Parker Hannifin Corporation.

RETURNS All returned merchandise will be handled through the local Parker Hannifin Corporation
distributor. No returns will be accepted unless authorized in writing by Parker Hannifin Corporation and
accompanied by the original shipping invoice. All returns are subject to restocking charge.

Policies subject to change without notice.
The Quality System for Porter Instrument is certified to ISO 13485. The scope of our registration is:

The design, manufacture, distribution and servicing of Nitrous Oxide – Oxygen Sedation Flowmeters,
Gas Scavenging Systems, Gas Distribution Systems for use by a physician, dentist or licensed
Healthcare Professional.

Mailing Address: Riverside Road, Pottington Business Park
Barnstaple, EX 31 1NP, England
Phone [phone] Fax: [phone]

This product complies with the Medical Directive (93/42/EEC). A “Declaration of Conformity” in accordance with the

directive has been made and is on file.

European Communities should contact the Authorized Representative listed below regarding any Medical Device
Directive (MDD) inquiries.
Contact Name: Parker Hannifin Ltd Instrumentation Products Division