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EICAS and SUMMARY synoptic pages. When the quantity of the cylinder is less than 700 liters the readout changes to
amber and the OXYGEN QUANTITY LOW (C) CAS message is displayed. The message is based on
temperature corrected pressure.
OVERBOARD DISCHARGE INDICATOR
The shutoff and pressure regulator system incorporates a pressure relief valve to discharge the oxygen cylinder contents
overboard in the event of excessive oxygen pressure. Should the contents be discharged overboard, the green overboard
discharge indicator located above the oxygen servicing panel on the right side of the of the aircraft will be ruptured
or missing.
1
OXYGEN AND EMERGENCY EQUIPMENT
Sep 13/2004 Flight Crew Operating Manual Volume 2
REV 1 CSP 100-6 08-01-05
OXYGEN SYSTEM (Cont)
OXYGEN SERVICE PANEL
The oxygen service panel is located on the right side of the fuselage directly forward of the right engine. The oxygen service
panel has a filler valve and a pressure gauge. Replenishment of the oxygen system is a maintenance function.
CFO0801002_013
OXYGEN
FILLER VALVE
OXYGEN
SERVICE PANEL
500
1000
1500
2000
OXYGEN
SUPPLY PRESSURE
PSI
USE NO OIL
MADE IN USA
OXYGEN SERVICE
PANEL DOOR
OXYGEN
PRESSURE
GAUGE
OXYGEN AND EMERGENCY EQUIPMENT
Volume 2 Flight Crew Operating Manual Sep 13/2004
08-01-06 CSP 100-6 REV 1
OXYGEN SYSTEM (Cont)
SMOKE GOGGLES
Smoke goggles provided for both flight crew members and are designed to be used in conjunction with the EROS crew
oxygen mask. The goggles are equipped with a vent-valve, and provide smoke and toxic gas protection for crew members.
The goggles are composed of a polycarbonate molded lens and coated with anti-misting and scratch resistant coatings.
However, the goggles should be kept in a protective bag to minimize inadvertent scratching. The goggles are equipped with
an adjustable headband and a flexible silicone molded seal allows the wear of corrective eyewear or sunglasses.
The goggles are located in storage bins on the side console outboard of each crew station.
FLIGHT CREW OXYGEN MASK AND STORAGE CUP
The flight crew masks are stowed in accessible stowage cups over each crew member’s outboard shoulder.
FLIGHT CREW OXYGEN MASK STOWAGE AND HARNESS FOLDING INSTRUCTIONS
The instructions for stowage and removal of the crew oxygen mask are shown below. When stowing the mask, it is important
not to stuff the harness into the nosepiece cavity, as this could impede donning of the mask.
Another view is shown for clarity, and the instructions are as follows:
1. Insert the mask so that the face piece goes in the cup under the retaining tabs as detailed in Figure A.
2. Once the face piece is in the cup, rotate the top of the mask out until the face piece is resting against the retaining
tabs as detailed in Figure B. The mask should be in an upright position ready for clicking home.
3. Push the mask in the cup until it clicks home on both sides of the cup as detailed in Figure C.
NOTE: Failure to properly perform step 2 before pushing the regulator into place will result in the face piece
being subjected to possible damage.
FLIGHT CREW OXYGEN MASK COLD WEATHER STORAGE
If the aircraft is to be parked for an extended period at ambient temperatures of -5 °C (23 °F) or below, it is recommended
that the oxygen be turned off, the crew oxygen masks disconnected and stowed in a heated room, or the cabin warmed to
at least +15 °C (59 °F) before use.
CFO0801060_001
Fold harness
as shown (2 folds)
Engage the
mask,
nose first
Rock the
mask down
Press until
regulator
clicks home
INTERTECHIQUE
PANEL
STOWAGE BOX
MASK RELEASE
STOWAGE
EROS
Rock up and
pull the mask
straight out
1
2
3
4
FIGURE A
FIGURE B
FIGURE C
OXYGEN AND EMERGENCY EQUIPMENT
Sep 13/2004 Flight Crew Operating Manual Volume 2
REV 1 CSP 100-6 08-01-07
OXYGEN SYSTEM (Cont)
CREW OXYGEN MASK
The crew oxygen masks are quick-donning masks with an oxygen regulator, an inflatable harness and a microphone. The
facepiece is equipped with a venting system located on the bridge of the nosepiece. It opens automatically when smoke
goggles are worn to ensure smoke protection.
The NORMAL, 100%, EMERGENCY, and PRESS TO TEST knob is located on the bottom of the mask to check the oxygen
supply when the mask is stowed in its storage container. It can be also used to provide positive pressure for
smoke protection at any altitude.
The crew oxygen masks are only required to function (oxygen flow and test) at -5 °C and warmer. If the cabin has been
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