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TABLE OF CONTENTS
Installing the Conversion Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Conversion Upgrade Kit Components . . . . . . . . . . . . . . . . . . . . . . .2
Replacement Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Installing the FireHawk M7XT ExtendAire II EBSS Conversion
Kit
The following installation instructions are for upgrading a FireHawk
M7XT Air Mask to include EBSS capability. This upgrade shall be
performed by a certified CARE Technician according to the procedure
outlined in this manual.
FireHawk M7XT ExtendAire II EBSS Conversion Upgrade Kit includes:
•
Pouch, P/N 10105836
•
ExtendAire II Manifold and Intermediate Pressure Hose and Dust
Cover, P/N 10105834
•
Hose Restraint Strap, P/N 10105837
•
Two (2) Screws, P/N 10052622
•
Instructions, P/N 10158013
•
ExtendAire II Upgrade Program Log, P/N 10158557
•
NIOSH Label, P/N 10158386
REPLACEMENT KITS
P/N
Description
FireHawk M7XT ExtendAire II EBSS
10158085
Conversion Kit
10111351
Dust Cover with Screws, Lubricated O-ring
Complete Manifold Assembly with Dust
10111406
Cover, Quick-Connect Fittings, Hose Asembly,
and Coil Pins
Complete Manifold Assembly less Quick-
10111407
Connect Fittings
10111404
Pouch Kit with Instructions
10105837
Hose Restraint Kit
637945
Male Quick-Connect Kit
637946
Female Quick-Connect Kit
Required Tools:
Phillips Screwdriver
Preparing the Air Mask
NOTE: Depressurize the air mask before installing the FireHawk M7XT
ExtendAire II EBSS Kit.
•
Close the cylinder valve.
•
Squeeze the shut-off button.
•
Open the bypass.
•
Disconnect the Audi-Larm™ Audible Alarm.
DO NOT attempt to maintain or repair the air mask while
pressurized. Attempting to disassemble a pressurized air mask can
cause parts to become airborne or swing at very high rates of speed.
Failure to follow this warning can result in serious personal injury or
death.
MSA 416 (L) Rev. 0 - 10158013
EXTENDAIRE II INSTALLATION
WARNING
Removing and Attaching Approval Labels . . . . . . . . . . . . . . . . . .5
Recording Keeping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Repair and Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1. Remove the cylinder from the backplate.
2. Remove the pull-strap from the
friction buckle on the left
shoulder strap.
3. Angle the left tri-bar and remove
it from the backplate.
4. Remove the center tri-bar(s) from
lumbar pad or rescue belt if
present.
Installation
1. With the back of the pouch facing up, feed straps through
backplate (front to back) using the side handle and left tri-bar slot
in backplate.
2. Loop the straps back through
the plastic hardware on the back
of pouch. Be sure that the sewn
tucks on the web ends are
completely through the plastic
hardware.
2
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