Scott AIR-PAK 75i 2.2 Operating & Maintenance Instructions page 2

Self Contained Breathing Apparatus (SCBA)
DESCRIPTION
The SCOTT AIR-PAK 75i self contained breathing apparatus (SCBA)
is intended to provide respiratory protection to an individual when
entering into, working in, and exiting from an objectionable, oxygen
deficient, and/or unbreathable (toxic) atmosphere.
TRAINING IS REQUIRED BEFORE USE. The SCOTT AIR-PAK 75i
SCBA respirator is to be used only by persons trained in the use of
the respirator and only in conjunction with an organized respiratory
protection program. The SCBA must be used and maintained properly.
This respirator is not to be used under water, for interior structural fire
fighting or for any other purpose not authorized by the organized respi-
ratory protection program that applies specifically to the user.
A t a m i n i m u m , t h e S C O T T A I R - PA K 7 5 i S C B A c o n s i s t s o f t h e
f o l l o w i n g :
– a cylinder and valve assembly to store a supply of breathing air
under pressure,
– a backframe and harness assembly to support the cylinder and valve
assembly and pressure reducer on the body,
– a backframe mounted pressure reducer with a remote pressure
gauge,
– a facepiece mounted pressure demand breathing regulator with an
air saver switch,
– a SCOTT full facepiece and a head harness to secure the facepiece
to the face.
All SCOTT AIR-PAK 75i SCBA's described in this instruction are
equipped with one end of service time indicator, a remote pressure
gauge mounted on the shoulder strap, and an air saver switch located
on the breathing regulator. All model respirators described by these
instructions are equipped with shoulder straps, waist straps and head
harnesses are made of Kevlar 1 .
The full facepiece is available in a variety of models and sizes and
must be properly fitted to the user before use. The facepiece design
incorporates a nose cup, two inhalation valves and dual voicemitter
assemblies. The facepiece detaches from the breathing regulator to
allow for use of the best fitting and most comfortable size facepiece
for each user. Fit testing per OSHA Standard 29 CFR Part 1910 or
ANSI Standard Z88.2 requires testing in the negative pressure mode
using equipment such as a Portacount Plus 2 Respirator Fit Tester.
For this, SCOTT facepieces require use of SCOTT Fit Test Adapter
P/N 804057-01 or equivalent and appropriate negative pressure test-
ing equipment. Mask Seal Kit P/N 805655-01 may also be required to
attain a proper fit.
Kevlar is a registered trademark of E.I. du Pont de Nemours, Inc.
1
Portacount Plus is a registered trademark of TSI Incorporated
2
P/N 595236-01 Rev. B 10/11
SCOTT AIR-PAK 75i
Industrial Pressure-Demand
Models
Page 2 of 44
2.2 / 4.5
DO NOT OPERATE THIS EQUIPMENT WHILE
UNDER THE INFLUENCE OF DRUGS, ALCO-
HOL, OR ANY MEDICATIONS OR SUBSTANCES
WHICH MAY AFFECT VISION, DEXTERITY, OR
JUDGMENT. USERS OF THIS EQUIPMENT
MUST BE IN GOOD PHYSICAL AND MENTAL
HEALTH IN ORDER TO OPERATE SAFELY.
DO NOT USE THIS EQUIPMENT WHEN FA-
TIGUE PREVENTS SAFE OPERATION. STAY
ALERT WHEN OPERATING THIS EQUIPMENT.
INATTENTION OR CARELESSNESS WHILE
OPERATING THIS EQUIPMENT MAY RESULT
IN SERIOUS INJURY OR DEATH.
THIS RESPIRATOR, IS INTENDED TO PRO-
TECT THE USER ONLY FROM THE EFFECTS
OF AN OXYGEN DEFICIENT ATMOSPHERE
AND/OR ATMOSPHERES CONTAINING TOXIC
OR HAZARDOUS SUBSTANCES BY PROVID-
ING A SUPPLY OF RESPIRABLE BREATHING
AIR TO A FACEPIECE SEALED TO THE US-
ER'S FACE.
WHEN PROPERLY USED, THIS RESPIRATOR
PROVIDES PROTECTION FROM AIRBORNE
TOXIC OR HAZARDOUS SUBSTANCES ONLY
TO THE EYES AND RESPIRATORY SYSTEM.
IMPROPER USE OF THIS RESPIRATOR MAY
RESULT IN SERIOUS INJURY OR DEATH.
R E S P I R A T O R S S H A L L N O T B E W O R N
WHEN CONDITIONS PREVENT A GOOD
FACE TO FACEPIECE SEAL OR A GOOD
S E A L A R O U N D T H E N O S E C U P. S U C H
CONDITIONS MAY INCLUDE, BUT ARE NOT
LIMITED TO, GROWTH OF BEARDS, SIDE-
BURNS, A SKULL CAP THAT PROJECTS UN-
DER THE FACEPIECE, OR TEMPLE PIECES
ON GLASSES. ALSO, THE ABSENCE OF ONE
OR BOTH DENTURES CAN SERIOUSLY EF-
FECT THE FIT OF THE FACEPIECE. USE
OF THE RESPIRATOR WITHOUT A GOOD
FACE TO FACEPIECE SEAL OR A GOOD
SEAL AROUND THE NOSE CUP SEAL MAY
REDUCE THE DURATION OF USE AND/OR
EXPOSE THE USER TO THE ATMOSPHERE
THE RESPIRATOR IS INTENDED TO PRO-
TECT AGAINST RESULTING IN SERIOUS
INJURY OR DEATH.
WARNING
WARNING
WARNING