737 AMM 飞机维护手册 EQUIPMENT/FURNISHINGS(143)

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1.  General
A.  An escape strap made from webbing assemblies impregnated with neoprene latex solution is attached above each of the two overwing emergency exits (Fig. 1).
B.  Each escape strap is stowed in a curved tubular container which is transversely mounted in the ceiling of the passenger compartment and secured at the lower end to the escape hatch frame. Access to the free ends of the straps is gained by removal of the emergency hatches. A hook assembly is attached to the end of each emergency exit strap. When installed in the airplane, the hook is secured by a hook retainer, which is fastened by snap fasteners on some airplanes and by velcro tape on other airplanes. For emergency use, the hook is attached to a fitting on the wing. 

H58929
517  Passenger Cabin Escape Straps 
Oct 20/89  Figure 1  25-61-100 
Page 1 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

ESCAPE ROPES/STRAPS (PASSENGER CABIN) - REMOVAL/INSTALLATION
1.  Equipment and Materials
A.  Tape - 0.25 inch aluminum tape, 3M 425 (Ref 20-30-51)
2.  Remove Escape Strap Assembly (Fig. 401)
A.  Remove emergency hatch (Ref Chapter 52, Emergency Exit Hatches).
B.  Remove hook from retainer and withdraw strap from tube.
NOTE: Grasp center loop and pull all six lengths of strap from stowage tube.
C.  Disconnect anchor, remove spacer and strap assembly.
3.  Install Escape Strap Assembly (Fig. 401)
A.  Locate spacer and bolt anchor in place.
B.  On airplanes with anchor fitting on same side of escape hatch as hook retainer, fold strap into six lengths and wrap two to four times with aluminum tape in three places as shown in detail B, insert strap into tube.
C.  Fasten hook in retainer.
D.  Replace emergency exit hatch.
500 
May 01/99  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  25-61-100 Page 401 

H60726
Escape Strap Installation  517 
25-61-100  Figure 401  May 01/99 
Page 402 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

ESCAPE ROPES/STRAPS (PASSENGER CABIN) -INSPECTION/CHECK
1. Escape Strap Assembly Check
A. Check Escape Strap Assembly (Fig. 601).
(1)
Check strap for fraying, wear, moisture and mildew.

(2)
Check security of anchor fitting.

(3)
Check condition and security of hook.

(4)
Check strap is correct length.

 

500  Escape Strap Check 
Jun 20/84  Figure 601  25-61-100 
Page 601 
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ESCAPE ROPES/STRAPS (CONTROL CABIN ) - REMOVAL/INSTALLATION
1.  General
A.  An escape strap is attached above the captain's and the first officer's locations (Fig. 1). On some airplanes, escape straps are made from webbing assemblies impregnated with neoprene latex solution. On all other airplanes, escape straps (lanyards) of Kevlar fabric with handholds of Rohacell foam are installed.
B.  The two escape straps are stowed in separate compartments above the captain's and first officer's seats. The fixed end of the strap is anchored to the overhead structure at these locations. Access to the escape strap is gained by unfastening the retainer which holds the strap in the compartment.

H58932
501  Escape Strap Installation 
Jun 20/85  Figure 1  25-61-200 
Page 1 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

ESCAPE ROPES/STRAPS (CONTROL CABIN ) - REMOVAL/INSTALLATION
1. Remove Escape Strap/Lanyard Assembly (Fig. 401)
A. Unlatch and open cover and remove escape strap.
B. Lift anchor fitting against spring, and disengage anchor stud from structure.
C. Remove escape strap assembly.
2. Install Escape Strap/Lanyard Assembly (Fig. 401)
A. Engage anchor stud in anchor fitting and check that it is secure.
B. Roll escape strap into a coil and place in its overhead position.
C. Place cover in position to cover and hold escape strap in place while securing cover.

501 
Jun 20/85  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  25-61-200 Page 401 

　
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