User Manual

3
Guidance for Selecting the Appropriate
Breathing Tube Length
EVA Belt Height of Wearer
Hood
Series
≤ 165 cm (65 in)
167 - 180 cm
(66 - 71 in)
≥ 182 cm (72 in)
LF-Series
26" or 32"
Breathing Tube
26" or 32"
Breathing Tube
32" or 38"
Breathing Tube*
RT Series
22" Breathing Tube 26" Breathing Tube
26" OR 32" Breathing
Tube*
EVA EBH
Backpack
Height of Wearer
Hood
Series
≤ 165 cm (65 in)
167 - 180 cm
(66 - 71 in)
≥ 182 cm (72 in)
LF-Series
26" or 32" 26" or 32" 32" or 38"
RT Series
22" Breathing Tube 26" Breathing Tube
26" OR 32" Breathing
Tube*
* Size is dependent on comfort and amount of slack desired. It is recommended to have
approximately 8 to 10 cm (3 to 4 in) of slack in the breathing tube to allow for maximum mobility.
Donning and Doffing
Prepare to don the turbo-blower, battery, and hood in a safe, hazard-free
area. Prior to entering a contaminated area, complete the Pre-Operational
Inspection as outlined in section Pre-Operational Inspection.
Donning Procedures
1. Connect the breathing tube to the hood.
2. Ensure the filter / cartridge used is suitable for the contaminant(s)
in question and are compatible with the EVA Powered Air-Purifying
Respirator (PAPR) system.
3. Check that the filter / cartridge is properly installed on the turbo-blower
unit.
4. Put on the belt or backpack and turbo-blower assembly, keeping the
breathing tube and hood behind the head. See EBH Backpack (optional
accessory) User Manual for donning and doffing instructions.
5. Turn the turbo-blower unit ON (see Section 4 - Operating Instructions
within this manual).
6. Don the hood according to the type of hood selected. See LF-Series Hood
Donning Procedures or RT-Series Hood Donning Procedures
7. Make any final adjustments to the fit as required to ensure a comfortable
and stable fit.
Doffing Procedures
1. Prepare to doff the turbo-blower, battery, and hood in a safe, hazard-free
area. It is recommended to follow your employer’s standard operating
procedure.
2. Remove the hood.
3. Turn the turbo-blower unit OFF (see Section 4 - Operating Instructions
within this manual).
4. Remove the belt or backpack and turbo-blower assembly.
5. Unscrew the breathing tube from the hood and turbo-blower unit.
6. Clean and inspect components, as necessary.
LF-Series Hood Donning Procedures
1. Refer to LF-Series Hood Sizing Chart for guidance in selecting an
appropriate size hood.
2. Don the hood by first placing your chin into hood, pulling from front to
back, until the headband is around your head and the sides of the hood
are just above your ears.
3. Make final adjustments to the headband around your head and the
elasticized edge of the face seal under your chin.
4. Ensure the elasticized edge of the face seal should fit snugly around the
bottom half of your face and chin for a proper fit.
5. Hood should be secure around the circumference of the head and under
the chin when attached to the breathing tube.
6. If you are unable to achieve an acceptable fit, select an alternative hood
type/size, belt, or backpack combination.
www.bullard.com
7
EVA (with LF-Series and RT-Series Hoods)
Powered Air-Purifying Respirator (PAPR) System