3M 8050501 Manuale utente

INSTRUCTION MANUAL

AMBIENT AIR PUMP

MODEL 8050501

Warning: Do not use extension cords longer than 30 metres (100 feet) or rated

less than fifteen (15) amperes when operating this device. We recommend using

a minimum 12-gauge grounded extension cord with a length not exceeding 30

metres (100 feet). Pump damage will occur and the pump's warranty will be

voided if this practice is not followed.

This Manual provides detailed instructions, safety warnings and

other information for users of MST’s Ambient Air Pump

Model 8050501.

TABLE OF CONTENTS

GENERAL INFORMATION ..................................................................................3

WARNINGS .........................................................................................................4-5

SPECIFICATIONS...................................................................................................6

BREATHING AIR REQUIREMENTS ...................................................................7

ASSEMBLING THE AMBIENT AIR PUMP ........................................................8

OPERATING INSTRUCTIONS ........................................................................9-10

MAINTENANCE INSTRUCTIONS ...............................................................11-13

TROUBLE SHOOTING PROCEDURES .......................................................14-15

REPLACEMENT PART LISTING ......................................................................16

WARRANTY INFORMATION ...........................................................................17

12/2002

GENERAL INFORMATION

The Ambient Air Pump is designed to intake fresh, clean air from a non-contaminated atmosphere and supply this fresh air to a

continuous flow supplied air respirator.

The clean air is filtered through a porous plastic intake muffler designed to protect the pump from dust and dirt particles. The outlet air

supplied to the respirator is filtered through an activated charcoal filter designed to remove tastes and odors from the breathing air.

MST’sAmbientAirPump is oil-less and has rotary carbon vanes. The pump does not produce carbon monoxide, oil vapors, oil mist

or moisture, however it is extremely important that the atmosphere from which the air is drawn into the pump is clean and free of any

carbon monoxide or other toxic gases or vapors. In Canada, the Canadian Standards Association defines breathing air requirements

under CSA Z180.1; refer to “Breathing Air Requirements” within this manual. This standard includes direction regarding the

installation, commissioning, and maintenance of ambient air pump systems.

The Ambient Air Pump will supply a maximum air flow rate of ten (10) SCFM of breathing air to one worker or a maximum supply

pressure of fifteen (15) psig. USE ONLY MSHA/NIOSH APPROVED RESPIRATORS THAT WILL OPERATE AT

PRESSURES LESS THAN FIFTEEN (15) PSIG.

WARNINGS

READ ALL INSTRUCTIONS IN THIS MANUAL BEFORE USING THIS AMBIENT AIR PUMP MODEL 8050501.

FAILURETOOPERATETHIS PUMPIN ACCORDANCEWITH THEINSTRUCTIONS CONTAINEDIN THISMANUAL

AND ACCOMPANYING INFORMATION MAY RESULT IN DEATH OR SERIOUS INJURY TO THE RESPIRATOR

USER.

DO NOT OPERATE THIS PUMP IN AN EXPLOSIVE OR CORROSIVE ATMOSPHERE.

DO NOT OPERATE THIS PUMP WHERE IT CAN BE EXPOSED TO ANY LIQUID OR DUSTY MATERIAL. THIS PUMP

MUST BE PROTECTED FROM THE ELEMENTS IF USED OUTSIDE.

Locate the pump’s inlet air muffler in a clean breathable air location at all times. THIS PUMP DOES NOT REMOVE TOXIC

GASES OR OTHER CONTAMINANTS FROM THE INCOMING AIR BEING TRANSFERRED TO THE RESPIRATOR

USER.

See the BREATHING AIR REQUIREMENTS section of this manual for specific details on breathing air quality. THIS PUMP

DOES NOT SUPPLY OXYGEN.

This pump will supply a maximum air flow rate of ten (10) SCFM or a maximum supply pressure of fifteen (15)PSIG. USE ONLY

MSHA/NIOSH APPROVED RESPIRATORS THAT WILL OPERATE AT PRESSURES LESS THAN FIFTEEN (15) PSIG.

Be sure that the pump’s outlet pressure, measured by the pressure gauge on the pump, is maintained above the minimum pressure

setting required by the Respirator manufacturer. REFER TO YOUR RESPIRATOR MANUAL FOR CORRECT PRESSURE

REQUIREMENTS, PERMISSIBLE HOSE LENGTHS AND FITTING TYPES. FAILURE TO COMPLY WITH THE

RESPIRATOR MANUFACTURER’S REQUIREMENTS WILL VOID THE MSHA/NIOSH APPROVAL(S) AND COULD

RESULT IN DEATH OR SEVERE INJURY.

Questions regarding whether or not your Respirator is compatible with this pump can be directed to 3M Canada’s Occupational

Health and Environmental Safety Hotline at 1-800-267-4414.

SUPPLIED AIR RESPIRATORS USED WITH THIS PUMP MUST NOT BE WORN IN ANY ATMOSPHERE

IMMEDIATELYDANGEROUS TOLIFE ORHEALTH ORFROM WHICHTHE WEARERCANNOT ESCAPEWITHOUT

THE USE OF THE RESPIRATOR.

When connecting your respirator to this device, use only the air supply hose and couplers required by the respirator manufacturer and

approved by MSHA/NIOSH.

Use of non-approved hose or couplers will void the respirator’s MSHA/NIOSH Approval and could reduce the air flow to the

respirator, resulting in possible death or serious injury to the respirator wearer.

If your hose and couplers are not compatible with the coupler supplied on this pump, you may change the coupler on this pump to

provide the proper connection. Contact the factory with any questions regarding the type of fittings that can be used with this pump.

DO NOT modify or alter this pump in any manner. Use only approved MST replacement parts and components. Failure to use

approved MST components and replacement parts invalidates all MST warranties, and may result in death or serious injury to the

respirator wearer.

Consult your supervisor if you have any questions concerning the use of this pump or your respirator, or if you are not certain that the

inlet muffler is in a breathable location.

For technical assistance or additional copies of this manual, call or write:

Technical Assistance

3M Canada Service and Support Centre

1175 California Avenue

Brockville, Ontario

K6V 5V8

Phone: Toll Free (800) 267-4414

Fax: Local (613) 345-0826

For more Information

3M Canada Sales and Marketing

Toll Free (800) 265-1840 ext. 6137

Local (519) 452-6137

3M Innovation Network: http://www.mmm.com

3M Canada Network: http://www.3M.com/CA/occsafety

For other 3M products: Toll Free 1-800-3M Helps

E-mail: [email protected]

Warning: Do not use extension cords longer than 30 metres (100 feet) or rated

less than fifteen (15) amperes when operating this device. We recommend using

a minimum 12-gauge grounded extension cord with a length not exceeding 30

metres (100 feet). Pump damage will occur and the pump's warranty will be

voided if this practice is not followed.

SPECIFICATIONS

PUMP DATA:

Pump Design: Rotary CarbonVane (4 Vanes)

Maximum Pressure: 15 psig (103 kPa)

Air Flow (Free): 10 SCFM (283 lpm)

Inlet Filter: Porous Plastic

Outlet Filter: Activated Charcoal

DIMENSIONS:

Width: 9" (22.9 cm)

Length: 16" (40.6 cm)

Height: 12" (30.5 cm)

Weight: 53 lbs. (approx.)

(24 kg)

ELECTRIC MOTOR DATA:

Voltage: 115 VAC

Phase: Single

Cycles: 60 Hz

Horsepower: 3/4

RPM 1725

Service Factor 1.00

Amperes: 12.2 @ 115 V

Protection: Internal Thermal Overload

Approvals: CSA (Canadian Standards Association) Approved

See Motor Rating Plate on Motor for Additional Information.

WARNING: PROPER MOTOR SELECTION AND WIRING (IN ACCORDANCE WITH LOCAL AND NATIONAL

ELECTRIC CODES) IS THE RESPONSIBILITY OF THE USER.

BREATHING AIR REQUIREMENTS

AIR QUALITY

The Ambient Air pump’s inlet muffler must be located in a clean breathable air location at all times.

The breathable air drawn into the inlet muffler must meet the requirements of local or provincial regulations. As a minimum, breathing

air should meet the requirements for breathing air as recommended by the Canadian Standards Association under CSA Z-180.1. A

summary of the breathing air requirements are provided below; for complete details, refer to the standard.

Allowable Concentrations of Components for Compressed Breathing Air

(by volume, measured at 21ºC [69.8ºF] and 101.3 kPa [14.7 psia])

Oxygen 20-22%

Nitrogenand rare gases 78-80%

Carbon monoxide 5 mL/m3* (ppm)

Carbon dioxide 500 mL/m3(ppm)

Methane 10 mL/m3(ppm)

Volatile non-methane

hydrocarbons 5 mL/m3(ppm) as methane equivalents

Volatile halogenated

hydrocarbons 5 mL/m3(ppm)

Oil, particulate, and

condensates 1 mg/m3

Odours Any pronounced odour detected by smell in a compressed breathing air sample being analyzed

shall be cause for failure of the sample. The source and nature of the odour shall be investigated and

resolved.

Notes:

*1 mL/m3 = 1 ppm by volume.

ASSEMBLING THE AMBIENT AIR PUMP

Remove the cardboard shipping sleeve around the pump and the gauge box. Lift the pump and attached plywood base from the

box and remove pump from plywood base.

MST recommends saving all packaging materials in the event that the pump must be shipped in the future.

Remove the pressure gauge from its box and assemble it to the gauge port located on

top of the pump’s filter manifold as shown in Figure 1. Tighten the gauge using a

suitable wrench. Teflon tape is recommended to prevent excessive tightening that

might be required to seal the gauge threads. The gauge should be rotated such that the

pressure scale can be easily read by the operator.

FIGURE1

Unscrew the pump’s aluminum filter can and check that the filter element is screwed

into the filter manifold properly. HAND TIGHTEN ONLY. Excessive force may

damage the filter element or threads. Replace the filter can and tighten securely

making sure the filter can seals on the filter can gasket (see Figure 2).

FIGURE 2

Check to make sure that the pressure relief valve, filter can, pressure gauge and outlet coupling are assembled tightly to the pump

to avoid air leakage.

OPERATING INSTRUCTIONS

WARNING:THERESPIRATORUSERMUSTNOT ENTERTHECONTAMINATEDWORKAREAUNTILALL OF

THE FOLLOWING STEPS HAVE BEEN COMPLETED.

Analyze the atmosphere at the location of the air inlet and the pump to be sure the pump will not be operating in a contaminated or an

explosive atmosphere.

Plug the pump into a 115 VAC grounded electrical outlet fused at 15 amps. The pump’s motor is equipped with a

toggle switch and 10 foot grounded cord with a standard three-prong plug. You may use up to 30 metres (100 feet)

of 15 amp, 3-wire grounded extension cord to reach your electrical outlet. Avoid excessive lengths of extension cord,

especially if running the pump continuously. We recommend using a minimum 12-gauge extension cord.

The pump will operate sitting on its four rubber mounts. It does not need to be

bolted down, however if desired, the pump may be mounted on a wall or ceiling as

long as the shaft center line is horizontal.

Make sure the pump’s inlet muffler is located in a clean, uncontaminated location

where breathable air is assured at all times (see Figure 3). Refer to CSA Z-180.1

for direction on pump installation and commissioning.

FIGURE 3

If the inlet muffler cannot be located in a clean breathable location, extension hoses are available to allow the inlet muffler to reach a

clean breathable location. See the instructions supplied with the extension hose for assembly instructions. You may connect up to

three (3) extension hoses together with the original inlet hose, to achieve a maximum distance of one hundred (100) feet. For greater

distances, install rigid, smooth bore, plastic piping having an internal diameter of not less than 1.5 inches. Use good engineering

practices to ensure that the inlet piping system does not affect pump performance.

Assemble your respirator according to the manufacturer’s instructions . Be sure pump’s outlet pressure, measured at the pressure

gauge, is greater than the minimum MSHA/NIOSH approved pressure required to operate the respirator. This pressure should be

measured when all components of the respirator (hoses, breathing tubes, etc.) are connected to the pump and the pump is operating.

The respirator’s approved pressure requirementswill be located in the respirator’s instruction manualand/or on labels attached to the

respirator.

Questions regarding whether or not your Respirator is compatible with this pump can be directed to 3M Canada’s Occupational

Health and Environmental Safety Hotline at 1-800-267-4414.

Should the air pressure require adjustment, loosen the locknut on the pressure relief

valve and adjust the top sleeve to achieve the proper pressure (see Figure 4).

Clockwise will increase the pressure, counter-clockwise will decrease the pressure.

Re-tighten the locking nut when adjustment is complete to prevent inadvertent changes

to the adjustment. The pressure relief valve may vent in order to prevent the pump

from exceeding the recommended pressure. This is normal as long as the pressure on

the gauge is correct for the respirator used.

FIGURE 4

DO NOT ADJUST THE PRESSURE RELIEF VALVE TO ALLOW THE PRESSURE TO EXCEED 15 PSIG MAXIMUM.

PUMP DAMAGE WILL OCCUR AND THE WARRANTY ON THE PUMP WILL BE VOIDED IF THE PUMP IS

ALLOWED TO OPERATE ABOVE 15 PSIG PRESSURE.

Allow the air to purge through the respirator and hose assembly for a few minutes to eliminate any odors or tastes in the respirator

assembly. Donthe respirator and re-check the outlet pressure gauge prior to entering the contaminated work area.

When finished working, exit the work area wearing the respirator with the air still flowing. Once outside the contaminated area,

remove the respirator, turn the pump off, then disconnect the air supply hose using the quick-disconnect couplers.

Refer to the respirator’s instruction manual for proper inspection, maintenance and storage procedures for the respirator.

Warning: Do not use extension cords longer than 30 metres (100 feet) or rated

less than fifteen (15) amperes when operating this device. We recommend using

a minimum 12-gauge grounded extension cord with a length not exceeding 30

metres (100 feet). Pump damage will occur and the pump's warranty will be

voided if this practice is not followed.

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