Escape Slide Installation 554
25-61-311 Figure 201 (Sheet 1) Jun 20/92
Page 204
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
503 Escape Slide Installation
Feb 20/86 Figure 201 (Sheet 2) 25-61-311
Page 205
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
Escape Slide Installation 501
25-61-311 Figure 201 (Sheet 3) Feb 20/86
Page 206
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
6. Escape Slide Package Inspection (Fig. 201)
A. Examine escape slide package.
(1)
Examine escape slide girt for a frayed or worn condition.
(2)
Examine fasteners to ensure slide is securely attached to door.
(3)
Examine girt bar.
(a) Remove pins from collars to free girt bar to check pitting or corrosion.
NOTE: Nylon sleeve may be bonded to girt bar. If bond forms a complete fillet at both ends of sleeve, no further check is required. If a bonded sleeve must be removed, cut off sleeve and replace with new sleeve after applying BMS 3-23 (Ref 20-30-21).
(4)
Make sure there is no corrosion on the latch.
(5)
Make sure there is no corrosion on the pins in the latch.
(6)
Make sure the latch operates correctly.
(7)
Spray the latch and pin with Penetrating Oil (A-A-50493)
7. Escape Slide Package Check (Fig. 202)
A. Check Escape Slide Package
(1)
To ensure that the slide is kept ready for emergency use, check the air bottle pressure gage reading frequently.
(2)
On airplanes with direct readout gages, acceptable gage readings at various temperatures are given in Fig. 202.
(a) Red markings on gage face helps alert personnel to the need for checking gage reading against the data in Fig. 202.
NOTE: Reference to pressure values in Fig. 202, rather than red markings, is required to determine whether cylinder pressure is acceptable.
(3) On airplanes with temperature-compensated gages, the gage has a movable green band with a NO-GO dial. Reference pressures are not used.
(a) Check that gage needle is within the green band or slightly above or below.
NOTE: If the temperature of the inflation cylinder is not constant for 2 hours, ensure the pressure gage needle is in the green band or not more than one-half green band width to the right or the left of the green band.
(4) Although the slide will be usable following inflation with the bottle pressure at the "minimum safe lever," it is recommended that the pressure should be no less than 3000 psig (at 70°F) for initial installation of the slide on the airplane, and that the bottle be recharged before the pressure drops below the "minimum safe level."
5E3
May 01/99 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 25-61-311 Page 207
PRESSURE TEMPERATURE PRESSURE TEMPERATURE
MINIMUM SAFE RECOM-MENDED °F °C MINIMUM SAFE RECOM-MENDED °F °C
3410 3330 3260 3190 3110 3040 2970 2900 2820 2750 2680 3730 3650 3560 3490 3400 3320 3240 3160 3080 3000 2920 160 150 140 130 120 110 100 90 80 70 60 71 66 60 54 49 43 38 32 27 21 16 2600 2530 2460 2380 2310 2240 2160 2090 2010 1940 1860 2840 2760 2670 2590 2510 2430 2350 2260 2180 2100 2010 50 40 30 20 10 0 -10 -20 -30 -40 -50 10 4 -1 -7 -12 -18 -23 -29 -35 -40 -46
Escape Slide Air Bottle Safe Operating Range Figure 202
8. Escape Slide Assembly Restoration
A. Using hand, partially open aspirator flapper door to partially deflate escape slide until slide is soft, but retains its shape.
B. Tie each end of a rope around opposite ends of the girt bar -- as close in to the girt material as possible.
C. Disconnect girt bar from floor fittings.
NOTE: To ease in disconnecting girt bar from floor fittings, provide slack in girt.
D. With two men holding rope attached to girt bar and two men pulling outward on lower end of slide, lower slide to ground.
CAUTION: HANDLE INFLATED ESCAPE SLIDE WITH CARE TO AVOID DAMAGE TO ESCAPE SLIDE, AND SLIDE INFLATION COMPONENTS.
CLEAR OBSTRUCTIONS AND DEBRIS FROM GROUND BELOW INFLATED ESCAPE SLIDE TO AVOID DAMAGE WHEN SLIDE IS LOWERED TO GROUND.
E. Complete slide deflation using slide deflation clamp. Attach clamp to aspirator to hold flapper doors open.
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