AFT AIRSTAIR HYDRAULIC DAMPER -SERVICING
EFFECTIVITY
Airplanes with Aft Airstairs
1. Equipment and Material
A. Hydraulic Fluid -MIL-H-5606
2. Refill Damper
A. Remove damper from airstair (Ref. 52-14-111).
B. Mount damper so that piston stem is pointed up.
C. Remove lockwiring and plug from end of piston stem and attach MIL-H-5606 fluid source.
D. Bleed air from cart line before filling by leaving fitting B-nut loose and applying low pressure.
E. When fluid runs clear, tighten B-nut.
F. Apply sufficient pressure, not to exceed 100 psi, to extend piston rod.
G. When piston rod stops, depressurize and remove line.
H. Insert a rod into fill port and depress plunger.
I. Release plunger when rod retracts to approximately the center of the alodine band. If air bubbles are observed when plunger is depressed, repeat filling procedure.
J. Insert plug in piston stem and lockwire.
K. Install damper in airstair (Ref. 52-14-111).
5C6
Jan 20/83 12-23-31 Page 201
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525 Air Conditioning Ram Air Inlet Modulation Shaft Assembly Lubrication
May 01/76 Figure 201 12-23-41
Page 201
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
G42309 K14218
501 Torque Shaft Universal Joint Lubrication
May 01/01 Figure 201 12-23-61
Page 201
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
500 Cabin Pressurization Outflow Valve Lubrication
May 01/99 Figure 201 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 12-23-71 Page 201/202
AFT ENTRY DOOR LUBRICATION
1. General
A. This procedure provides instructions for lubricating the aft entry door.
2. Equipment and Materials
A. Lubrication Set -Entry, Cargo, Service, and Galley Door Camshaft Bearings -F72942-1
NOTE: Lubrication set may be used to reach lubrication fittings where access is difficult.
B. Flush gun (grease gun)
C. Oil squirt can
D. Grease -BMS 3-33, preferred (Ref. 20-30-21)
E. Grease -MIL-G-23827, alternate (Ref. 20-30-21)
F. Oil -MIL-L-7870 (Ref. 20-30-21)
3. Service Aft Entry Door
A. Remove aft entry door lining and gate lining (Ref. 52-13-21/401).
B. Remove handle lining retainer and handle mechanism cover plate.
C. Lubricate aft entry door as shown (Fig. 201).
D. Install handle mechanism cover plate and handle lining retainer.
E. Install aft entry door lining and gate lining (Ref. 52-13-21/401).
580
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12-25-11 Page 201
Aft Entry Door Lubrication 580
12-25-11 Figure 201 (Sheet 1) Jun 20/89
Page 202
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
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