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OPERATING MANUAL
PSP 601A-6
SECTION 8
EMERGENCY EQUIPMENT
TABLE OF CONTENTS
Page
1. CREW OXYGEN SYSTEM 1
2. EMERGENCY EXITS 2
3. PORTABLE FIRE EXTINGUISHER 3
4. EMERGENCY LIGHTING 3
LIST OF ILLUSTRATIONS
Figure Title Page
Number
1 Crew Oxygen System (2 Sheets) 4
2 Oxygen Mask 5
3 Ground Servicing Panel and Pressure Gauges 6
4 Emergency Exits 7
5 Portable Fire Extinguisher (2 Sheets) 8
8 - CONTENTS
Page 1
Apr 10/95
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OPERATING MANUAL
PSP 601A-6
SECTION 8
EMERGENCY EQUIPMENT
CREW OXYGEN SYSTEM (Figures 1, 2 and 3)
On all aircraft except aircraft 5041 and 5146,
Oxygen for the flight crew is supplied by a single cylinder with a charge
pressure of 1850 psig. The oxygen system is installed in the pressurized
area of the aircraft. The cylinder is located in a zone with good air
circulation, remote from any significant source of heat. The location,
together with high pressure relief provisions, protects the cylinder from
temperatures that might cause rupture.
On aircraft 5041 and 5146,
Crew oxygen is stored in two 1850 psi cylinders connected in parallel and
located, respectively, under the right flight compartment floor and in the
forward avionics bay. A regulator, fitted to the neck of each cylinder,
provides the required line connections, including one for an overpressure
discharge line terminating at a common port to the rear of the oxygen
servicing panel.
Eros quick-donning, diluter-demand type oxygen mask/regulator assemblies with
microphones are provided for the pilot and copilot. The masks are stowed,
ready for use, in stowage boxes in the left and right side consoles. Each
stowage box incorporates a shutoff valve, a blinker type flow indicator, a
spring-loaded RESET/TEST sliding handle, an 0XY-0N indicator flag and two
doors.
The mask is withdrawn from the stowage box by grasping the red release grips
on the side of the regulator assembly and pulling upward to open the doors of
the stowage box. The inflatable harness inflates when the release grips are
grasped and the stowage box shutoff valve opens to deliver oxygen to the mask
when the stowage box doors open. When the user has fitted the mask in place
and released the release grips, the harness deflates and grips the user's
head to keep the mask/regulator assembly firmly fitted. After the mask has
been extracted from the stowage box, the doors may be closed without cutting
off the oxygen supply to the mask. To stop the flow of oxygen, the
RESET/TEST handle is actuated to move the 0XY-0N indicator flag out of view
and close the stowage box shutoff valve.
Oxygen is supplied from the oxygen cylinder (cylinders on aircraft 5041 and
5146) to each mask assembly at a regulated pressure of 72.5 ±15 psi. Oxygen
is available in three phases and is controlled by the regulator on each mask.
The first phase is an air/oxygen mixture available on demand when the flow
selector marked N and 100% PUSH is set to N. The second is an undiluted
oxygen supply available on demand when the flow selector is set to 100% PUSH.
The third phase is an undiluted oxygen supply with an overpressure available
when the flow selector is set to 100% PUSH and the EMERGENCY ON/OFF button is
set to ON. With an undiluted oxygen supply, the oro-nasal mask also provides
protection against smoke inhalation.
A flow indicator (blinker) enables the crew member to determine that oxygen
is being delivered to the mask. The flow indicator is located in the stowage
box and is visible with the doors open or closed.
SECTION 8
Page 1
Aug 14/02
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OPERATING MANUAL
PSP 601A-6
An oxygen pressure gauge is provided on the copilot's side panel. The gauge
is marked red for pressures below 200 psi and green for pressures between 200
and 1850 psi. An oxygen pressure gauge for ground crew use is located in the
oxygen ground service panel. The gauge indicates the cylinder pressure and is
calibrated from 0 to 2000 psi. If excessive pressures occur within the oxygen
cylinder, a frangible disc, mounted on the cylinder head, ruptures and permits
the oxygen to discharge overboard. The ground crew is alerted to oxygen
overboard discharge by the rupturing of the green disc at the overboard
discharge indicator, located on the fuselage just rear of the oxygen ground
servicing panel.
2. EMERGENCY EXITS (Figure 4)
Emergency exits are provided by an overwing emergency exit and by the
passenger/crew entrance door.
To unlock the passenger/crew door from the inside, the single-lever internal
handle is pulled upward releasing the external handle. Continued rotation of
the handle upward unlatches the door, allowing it to be opened when pushed
outward.
To unlock the passenger/crew door from the outside, the external handle is
released by a trigger, marked PUSH, in the handle itself. The handle is then
turned 45 degrees counterclockwise, allowing the door to be opened with the
assistance of the pull-out handle.
The overwing emergency exit opens inward. It is on the right side of the
passenger cabin and can be unlatched from inside or outside the cabin, the
operating latch mechanism is contained in the upper section of the door. The
push plate and the inner unlatching handle are connected to a torque tube and
adjustable latching bolts. Springs retain the latching bolts in an overcentre
locked position. The inner unlatching handle has a Betalight sign which
displays EXIT PULL and is readily visible during daylight or darkness. A hand
grip is located immediately below the window set in the door. The grip is
provided to support the door when opening it from inside the cabin. The outer
push plate is captioned PUSH IN FLAP, PUSH DOOR INWARD.
SECTION 8
Page 2
Apr 02/87
cacnhasduaieirn Qer
OPERATING MANUAL
PSP 601A-6
PORTABLE FIRE EXTINGUISHER (Figure 5)
A portable fire extinguisher is located in the flight compartment on the
bulkhead behind the copilot's seat. The extinguisher is charged with Hal on
1211 extinguishing agent and is suitable for use on Class A, B and C fires.
When required, the extinguisher is removed from its support by unlatching a
quick release clamp.
On aircraft 5001 to 5042 (MODEL 2-10),
discharge of the extinguishing agent is effected by setting a button to the
discharge position and squeezing a spring-loaded lever on the extinguisher
operating head. The lever can be released at any time to stop the discharge.
On aircraft 5043 and subsequent (MODEL HAL-035-AVN),
discharge of the extinguishing agent is effected by pulling the locking pin
and squeezing a spring-loaded lever at the top of the extinguisher operating
head. The lever can be released at any time to stop the discharge.
The charge pressure of the extinguishing agent allows the extinguisher to be
used up to 10 feet away from very hot fires or fires generating a dangerous
amount of smoke. If the discharge lever is held in the on position, the
extinguisher is fully discharged in 12 seconds.
EMERGENCY LIGHTING
Emergency lighting is provided by three overwing floodlights located on the
right side of the fuselage adjacent to the overwing exit, and by one ground
floodlight near the passenger/crew entrance door. For further information on
the emergency lighting, refer to SECTION 15, LIGHTING.
SECTION 8
Page 3
May 01/96
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OPERATING MANUAL
PSP 601A-6
GROUND SERVICE PANEL FILLER
VALVE AND PRESSURE GAUGE FLIGHT COMPARTMENT
OXYGEN PRESSURE GAUGE
OH" V / X / X / / X / y X A / / / A
0-I
I I
REGULATOR
~c^S>
OXYGEN CYLINDER
PRESSURE GAUGE
FACE MASK
" ! ^ STOWAGE BOX
L
i • i
COPILOT'S CONSOLE
FACE MASK
STOWAGE BOX
PILOT'S CONSOLE
LEGEND
— OXYGEN LINE
• • • • • OXYGEN REFILL LINE
— « OVERBOARD VENT LINE
««*«*. CAPILLARY LINE (FOR GAUGES)
OVERBOARD DISCHARGE INDICATOR
EFFECTIVITY : ON ALL A/C EXCEPT 5041 AND 5146
Crew Oxygen System - Schematic
Figure 1 (Sheet 1)
SECTION 8
Page 4
Aug 14/02
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hauenqer
OPERATING MANUAL
PSP 601A-6
GROUND SERVICE PANEL FILLER
VALVE AND PRESSURE GAUGE FLIGHT COMPARTMENT
OXYGEN PRESSURE GAUGE
REGULATOR
COPILOT'S CONSOLE
FACE MASK
STOWAGE BOX
FACE MASK
STOWAGE BOX
PILOT'S CONSOLE
C'N'NCSN'B'N
LEGEND
OXYGEN LINE
OXYGEN REFILL LINE
OVERBOARD VENT LINE
CAPILLARY LINE (FOR GAUGES)
OVERBOARD DISCHARGE INDICATOR
EFFECTIVITY : A/C 5041 AND 5146
Crew Oxygen System - Schematic SECTION 8
Figure 1 (Sheet 2) pa g e 4A
Aug 14/02
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OPERATING MANUAL
PSP 601A-6
THIS PAGE INTENTIONALLY LEFT BLANK
SECTION 8
Page 4B
Mar 10/95
ORO NASAL
MASK SHELL *
cacnhaadnasirri qer
OPERATING MANUAL
PSP 601A-6
\&giiiLinz<i' til
RELEASE GRIPS
(HARNESS INFLATION
CONTROL)
MICROPHONE
REGULATOR '
EMERGENCY CONTROL
AND PRESS TO TEST
BUTTON
N/100 % MANUAL CONTROL
v INFLATABLE
HARNESS
RESET/TEST
SLIDING HANDLE
Oxygen Mask SECTION 8
Figure 2 page 5
Apr 02/87
cacnhardnaleirn qer
OPERATING MANUAL
PSP 601A-6
GREEN
FLIGHT COMPARTMENT PRESSURE GAUGE
©
HIGH PRESSURE
TUBING
DUST CAP AND
CHAIN ASSEMBLY
TO PRESSUREGAUGF
GROUND SERVICE PANEL PRESSURE GAUGE
©
EFFECTIVITY
0 A/C 5041 and 5146
Ground Servicing Panel and Pressure Gauges SECTION 8
Figure 3 page 6
Aug 14/02
canaetair
ctianenejer
OPERATING MANUAL
PSP 601A-6
QUICK RELEASE
LATCH MECHANISM
HAND GRIP
OVBWING EMERGENCY EXIT
HANDRAIL
RESTRAINT
BRACKET
PUSH IN FLAP
PUSH DOOR INWARD
O
PULL-OUT
HANDLE
(REF)
SINGLE-LEVER
INTERNAL HANDLE
HAND GRIP
PASSENGER/CREW DOOR O EXTSINAL HANDLE
Emergency Exits
Figure 4
SECTION 8
Page 7
Apr 02/87
OPERATING MANUAL
PSP 601A-e
TAMPE* INDICATOR
Red disk breaks when discharge
(ever is squeezed.
DISCHARGE
NOZZLE
LOCKING BUTTON
Sliding button down to discharge
position unlocks discharge lever.
GREEN
Normal charge
PRESSURE GAUGE
O
DISCHARGE LEVER
After locking button is set to
discharge position, sprtng-lodded
levers squeezed to discharge
exongushing agent. Dscharge
YELLOW
Underpressure
EFFECTMTY: A/C 5001TO 5042 (MODEL 2-10)
NOTE
Normal operating charge is
100p»«21°CC7O<,Fl.
Portable Fire Extinguisher SECTION 8
Figure 5 (Sheet 1) page 8
Apr 10/95
OPERATING MANUAL
PSP 601A-6
DISCHARGE LEVER
After pulling locking pin springiosdotf
lovor is squoozod to dischftrgo extinguishing
agent. Discharge stops when lovsr Is released.
LOCKING PIN
Pulling locking pin,
brocks nylon Bo.
EFFECTIVITY: A/C 6043 AND SUBS. (MODEL HAL-C36-AVN)
NOTE
Norms! oporstng chsrge is
10Op*«21°C{70BF).
Portable Fire Extinguisher
Figure 5 (Sheet 2)
SECTION 8
Page 9
Apr 10/95 | 
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