3M 8050501 Instruction Manual
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3M 8050501 Instruction Manual

Ambient air pump
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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.

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  • Page 1 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).

  • Page 2: Table Of Contents

    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...

  • Page 3: General Information

    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.

  • Page 4: Warnings

    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.
  • Page 5 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...

  • Page 6: Specifications

    SPECIFICATIONS PUMP DATA: Pump Design: Rotary Carbon Vane (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"...

  • Page 7: Breathing Air Requirements

    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.

  • Page 8: Assembling The Ambient Air Pump

    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.

  • Page 9: Operating Instructions

    The respirator’s approved pressure requirements will be located in the respirator’s instruction manual and/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.
  • Page 10 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.

  • Page 11: Maintenance Instructions

    MAINTENANCE INSTRUCTIONS The Ambient Air Pump is an electrically driven rotary air pump with four carbon vanes. The vanes self-adjust and should last between 5,000 and 15,000 hours depending on the application. Remember that the air pump is designed for pumping clean dry air, being built of cast iron and steel.
  • Page 12 Flushing the pump requires (2) 3/8" normal pipe thread (NPT) pipe nipples at least 4" long. Remove all muffler and filter elements and remove inlet and outlet end cap assemblies from pump housing (refer to Figure 5 to correctly identify end cap assemblies). Insert 3/8"...
  • Page 13 NOTE: DO NOT REMOVE ROTOR OR LOOSEN ANY ELECTRIC MOTOR THROUGH BOLTS. Re-assembly: Insert vanes (noting direction of bevel edge). Reinstall endplate Torque bolts holding endplate to body to 75-100 in.-lbs. Verify gasket is not damaged before reinstalling muffler box. Torque muffler box bolts to 75-100 in.-lbs.

  • Page 14: Trouble Shooting Procedures

    TROUBLE SHOOTING INFORMATION If your Ambient Air pump is not working satisfactorily, please follow the trouble shooting steps below: SYMPTOM: Pump Fails to Start or Hums Turn pump switch off and disconnect from the power source. Check for correct electrical current as shown on the motor plate and in the Specification Chart on page 3 of this manual.
  • Page 15 (do not connect the respirator), turn the pump on and run for approximately 15 minutes to purge the hose of excessive moisture. IF THESE STEPS FAIL TO RESOLVE THE PROBLEM, CONTACT YOUR DISTRIBUTOR, OR 3M CANADA’S OCCUPATIONAL HEALTH AND ENVIRONMENTAL SAFETY HOTLINE at 1-800-267-4414.

  • Page 16: Replacement Part Listing

    FIGURE 5 REPLACEMENT PARTS LISTING PARTS NOT SHOWN DESCRIPTION PART NO. REF NO. DESCRIPTION PART NO. Handle AF555 Pump Body AK518 Outlet Filter Manifold 80513 Vane AK513 Outlet Filter Can 80519 Shroud AK511 Can Gasket 80520 End Plate AK514 Pressure Relief Valve 80507 Gasket AK522...

  • Page 17: Warranty Information

    For warranty information, quality issues or concerns, contact the 3M Technical Service Centre in Brockville, Ontario at 613-345-1349 or 1-800-267-4414. Any and all items being returned to 3M are to be shipped prepaid. Should the item(s) be repaired or replaced under warranty the item will be returned to the customer prepaid by 3M.

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