ESCAPE STRAP IN STOWED CONDITION
STOWAGE TUBE
HOOK RETAINER
1 _____________________
OVERWING ESCAPE STRAP
1 As installed
Overwing Escape Hatches
Two escape hatches are located in the passenger cabin over the wings. These are plug type hatches and are held in place by mechanical locks and airplane cabin pressure. The hatches can be opened from the inside or from outside of the airplane by a spring–loaded handle at the top of the hatch. A seat back blocking an exit may be pushed forward by applying force to the top of the seat back. For safety reasons, hatches should not be removed in flight.
Airplane General, Emergency Equipment, Doors, Windows -Systems Description 737 Operations Manual

Overwing Escape Hatches

EMERGENCY EXIT HATCHES PUSH PANEL
TO OPEN HATCH:
1.
Push in panel

2.
Push hatch inward and lift up

INTERIOR HANDLE
TO OPEN HATCH:
1. Pull down and inward
HANDHOLD
INTERIOR HANDLE TO OPEN HATCH:
1.
Remove cover

2.
Pull down and inward

As installed
WARNING: Do not remove hatches in flight in preparation for passenger evacuation. For emergency evacuation on the ground or in water, remove hatch and place so as not to obstruct egress. The hatch may be thrown out onto the wing, placed on the seat arm rests, or placed in any other suitable location as dictated by the conditions at the time of airplane evacuation.
Copyright . The Boeing Company. See title page for details.
1.40.34  December 5, 2003

Airplane General, Emergency Equipment, Doors, Windows -Systems Description
737 Operations Manual
Pilot Seat Adjustment
Adjust the seat position with the appropriate controls to obtain the optimum eye reference position. Use the handhold above the forward window to assist. The following sight references are used:
.  
Sight along the upper surface of the glareshield with a small amount of
the airplane nose structure visible (A)

.  
Sight under the glareshield to view the A/P–A/T–FMC lights panel (B)

.  
Sight over the control column until the bottom of the EHSI is visible (C).

Pilot Seat Adjustment

Galleys
Galleys are located in the passenger cabin to provide convenient and rapid service to the passengers. Generally, they are installed in the cabin adjacent to the forward and aft galley service doors.
In general the equipment of the galley unit consists of the following main items:
.  
high speed ovens

.  
hot beverage containers

.  
hot cup receptacles

.  
refrigeration and main storage compartments

Airplane General, Emergency Equipment, Doors, Windows -Systems Description 737 Operations Manual

Electrical control panel switches and circuit breakers to operate the above equipment are conveniently located within the galley work area. Storage space, miscellaneous drawers, and waste containers are also integrated in the galley units.
Electrical Power
Electricity for the galleys is 115V AC supplied from the airplane transfer buses and controlled by a switch on the overhead panel. Circuit breakers are located on the galleys and on the P-6 circuit breaker panel.
Water Service
Water is supplied to the galleys from the airplane’s pressurized water system and, in an emergency, may be shut off at the galley.
Water System
The airplane’s potable water system is supplied from a single tank located behind the aft cargo compartment. Fresh water is supplied to the galleys and lavatory sinks.
Quantity Indication and System Operation
A quantity indicator is located on the attendant’s panel. When the “PUSH” button on the indicator is pressed, lights illuminate to show the water level. When full, approximately 30 U.S. gallons (40 gallons on some airplanes) are available. The system is pressurized by engine bleed air or by the water system air compressor. Shutoff valves are located on each galley and below the sink in each lavatory. The drain position of this valve is used to drain all water overboard. Normally, the drain shutoff valves are ON.
Hot Water
Hot and cold water is available in all lavatories. The water heater is located below the lavatory sink. When emptied, it heats a new water charge in four minutes. An amber light is ON when the heater is operating normally. The heater has an overheat switch which turns off the heating element if an excess temperature is reached. The heater may be turned off at any time by using a manual switch on the heater. Hot and cold water are also supplied at the galleys.
　
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