(g)
Make sure that when the packboard engages the fuselage bayonet, the cable that actuates the stored gas bottle moves between
0.85 and 1.15 inch.
S 715-016-002
(3) Make sure the chute installation is satisfactory.
(a)
See that the chute is securely latched to the door sill when the chute is deployed.
(b)
See that the chute clears the door when the chute is in the stowed position.
S 825-017-002
(4) Do these steps if it is necessary to make the chute installation satisfactory:
(a)
Remove the split washer from the cable.
(b)
Move the cable to an adjacent hole.
(c)
Install the split washer.
S 865-018-002
(5) Put the escape slide and chute back to their usual condition.
(a)
Connect the lanyards that release the slide.
(b)
Install the stored gas bottle (AMM 25-68-04/201).
(c)
Make sure all the lock nuts are tight and have safety wire.
TASK 25-68-00-705-003-002
4. System Test - Floor-Mounted Escape Slide
________________________________________
A. General
(1)
This test is a check of the operation of the floor-mounted escape slide.
(2)
A complete operational test (above) discharges the stored gas bottle and inflates the escape slide. This test uses a simulated stored gas bottle and does not inflate the escape slide.
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25-68-00
ALL ú CONFIG 2 ú 02 Page 508 ú Feb 10/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
B. Standard Tools and Equipment
(1) Spring Scale - 55 pounds minimum
C. Special Tools and Equipment
(1) Spherical Gas Reservoir Simulator - 3TE60B50308 or expended gas bottle
D. References
(1) AMM 25-68-04/201, Floor Mounted Escape Slide Stored Gas Bottle
E. Access
(1)
Location Zone
224 Fwd Upper Deck, RH
(2)
Access Panel
849R Upper Deck Emergency Door, RH
F. Procedure
S 865-020-002
(1)
Remove the stored gas bottle (AMM 25-68-04/201).
S 485-021-002
(2)
Install the simulator or another stored gas bottle with no pressure.
NOTE: This tool applies a force of 10 to 25 pounds through the
____ mechanism that actuates the bottle. If you use an expended gas bottle, you must also have a method to indicate the length of the cable travel.
S 035-029-002
(3) Disconnect the lanyards that release the slide and attach them to the pack cover.
NOTE: This is so the slide will not deploy accidentally.
____
S 865-030-002
(4)
See that the upper deck door is closed.
S 825-035-002
(5)
Use the spring scale to measure the force that is necessary to move the escape slide assembly along the tracks to a position adjacent to the upper deck door.
(a) See that the force is not more than 55 pounds.
(6)
Lock the escape slide assembly in position.
S 985-032-002
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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ALL ú CONFIG 2 ú 02 Page 509 ú Feb 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 985-033-002
(7)
Pull the handle to release the packboard.
S 985-034-002
(8)
See that the packboard latch moves at least 0.85 inches.
S 985-024-002
(9)
Move the chute until it touches the door sill.
S 715-025-002
(10)
As you push the chute extension panel (with the inflation cable attached) out and down as far as it will go, see that the following occur:
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