Bullard EVAHL Series User Manual

EVAHL1 - Powered Air-Purifying Respirator
Powered Air-Purifying Respirator with High Efficiency (HE) Filters - Approval
No. TC-21C-0922 (PAPRFC3)
Powered Air-Purifying Respirator with OV-AG-HE Filter Cartridges for organic
vapors, chlorine, hydrogen chloride, sulfur dioxide, chlorine dioxide, hydrogen
fluoride and particulates - Approval No. TC-23C-2765 (PAPRFC4)
Powered Air-Purifying Respirator with AM-FM-MA-AG-HE Filter Cartridges for
ammonia, formaldehyde, methylamine, chlorine, hydrogen chloride, sulfur
dioxide, chlorine dioxide, hydrogen fluoride and particulates - Approval No.
TC-23C-3097 (PAPRFC5)
Cautions and Limitations
A. Not for use in atmospheres containing less than 19.5% oxygen.
B. Not for use in atmospheres immediately dangerous to life or health.
C. Do not exceed maximum use concentrations established by regulatory
standards.
F. Do not use respirator if airflow is less than six cfm (170 lpm).
H. Follow established cartridge and canister change schedules or observe ESLI
to ensure that cartridges and canisters are replaced before breakthrough.
I. Contains electrical parts that may cause ignition in flammable or explosive
atmospheres.
J. Failure to properly use and maintain this product could result in injury or
death.
L. Follow the manufacturer's user instructions for changing cartridges and/or
filters.
M. All approved respirators shall be selected, fitted, used and maintained in
accordance with MSHA, OSHA and other applicable regulations.
N. Never substitute, modify, add or omit parts. Use only exact Bullard
replacement parts in the configuration as specified by the manufacturer.
O. Refer to User's Instructions and/or maintenance manuals for information on
use and maintenance of these respirators.
P . NIOSH does not evaluate respirators for use as surgical masks.
* At very high work rates, the pressure in the respirator may become negative at
peak inhalation flow.

Table of Contents

Warnings, Cautions and Limitations ..................................................................... 1
Principle of Operation ........................................................................................... 2
Battery Pack .......................................................................................................... 2
Pre-Operational Inspection .................................................................................. 3
Mounting the Breathing Tube ................................................................................ 3
Checking Air Flow ................................................................................................. 4
Air-Purifying Elements .......................................................................................... 4
Mounting and Replacing Filter/Cartridges ........................................................... 4
EVAHL Series-Hazardous Location User Manual
Use strictly in accordance with instructions, labels and limitations pertaining
to the EVAHL Series respirator.
1. The EVAHL Series respirator does not supply oxygen. Use only in adequately
ventilated areas containing at least 19.5% oxygen.
2. Do not use when concentrations of contaminants are immediately
dangerous to life or health (IDLH).
This term is defined in 29CFR 1910.134 (b).
3. Do not use these respirators for respiratory protection during abrasive
blasting or clean up.
4. Do not use in circumstances where the airborne concentration level of
contaminant exceeds maximum use concentration for this type of respirator
as established by regulatory standards.
5. Leave area immediately if:
• Breathing becomes difficult
• Dizziness or other distress occurs
• You taste or smell the contaminant
• Unit becomes damaged
• Battery alarm activates
• Low Flow alarm activates
6. This apparatus must not be worn with the blower unit switched off. If the
blower is switched off, a rapid build-up of carbon dioxide and depletion of
oxygen may occur, which could result in death or serious injury.
7. Never alter or modify this respirator. Use only Bullard EVAHL Series
components and replacement parts approved for use with this respirator.
8. This device is not immune to highly powered RFI/EMI emissions.
Failure to follow these warnings could result in death or serious injury.
Donning the Blower ...........................................................................................5-7
Low Battery Alarm ................................................................................................ 8
Troubleshooting .................................................................................................... 8
NIOSH Approval Label .......................................................................................... 9
Cleaning and Storage .......................................................................................... 10
Warranty ............................................................................................................. 10
Ordering Information .......................................................................................... 11
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(for use with Loose-Fitting Headtops)
WARNING