757 MAINTENANCE MANUAL
INSPECTION MARK
POSITION MARK
MINIMUM INSPECTION MARK AFTER SWAGING
INSPECTION MARK
POSITION MARK
MAXIMUM INSPECTION MARK AFTER SWAGING
Use of Inspection Gage After Swage of Rynglok Fittings
Figure 840
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CONDUIT SIZE (OD) INCH (mm) MAXIMUM DENT DEPTH INCH (mm)
0.25 (6.35) 0.050 (1.27)
0.31 (7.87) 0.063 (1.60)
0.38 (9.65) 0.075 (1.90)
0.50 (12.70) 0.100 (2.54)
0.63 (16.00) 0.125 (3.17)
0.75 (19.05) 0.150 (3.81)
0.88 (22.85) 0.175 (4.45)
1.00 (25.40) 0.200 (5.08)
1.25 (31.75) 0.250 (6.35)
1.50 (38.10) 0.300 (7.62)
1.75 (44.45) 0.350 (8.89)
2.00 (50.80) 0.400 (10.16)
Smooth Dent Damage Limits for Electrical Rigid Conduits
Figure 841
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RADIAL WRINKLE LONGITUDINAL WRINKLE
WRINKLE HEIGHT
WRINKLE MEASUREMENTS
Permitted Forming Limits for Electrical Rigid Conduits
Figure 842 (Sheet 1)
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MAINTENANCE MANUAL
CONDUIT SIZE (OD) OVER 1.0 1.0 OR LESS CONDUIT MATERIAL STAINLESS STEEL ALUMINUM ALLOY STAINLESS STEEL ALUMINUM ALLOY HEIGHT INCH (mm) ALLOWABLE WRINKLE 0.040 (1.016) 0.020 (0.508) 0.060 (1.524) 0.030 (0.762) SPECIFIED OD) ALLOWABLE OVALITY (PERCENT OF 10 10 10 10
Permitted Forming Limits for Electrical Rigid Conduits
Figure 842 (Sheet 2)
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FLEXIBLE HOSE - INSTALLATION
____________________________
TASK 20-10-10-404-001
1. Install the Flexible Hose (Fig. 401)_________________________
A. General
(1)
This procedure contains one task. The task is the installation of flexible hoses.
(2)
This procedure gives general instructions for the installation of flexible hoses. If there are special instructions for a system, use the special instructions. For example, AMM 71-00-02/401, Power Plant - Removal/Installation includes special instructions for the installation of flexible hoses.
(3)
Flexible hoses do not have a specified life limit. Inspect flexible hoses to the applicable operators standard.
(4)
Before you do maintenance on oxygen system flexible hoses, read the oxygen system safety precautions and general maintenance instructions, (AMM 35-11-00) Crew Oxygen System, or (AMM 35-21-00) Passenger Oxygen System.
CAUTION: PUT CAPS ON HOSES AND FITTINGS TO KEEP OUT DIRT OR DEBRIS.
_______ DIRT AND DEBRIS CAN CAUSE CONTAMINATION OF HOSES, DAMAGE TO SYSTEM COMPONENTS, AND LEAKAGE OF HYDRAULIC FLUID.
REMOVE ALL HYDRAULIC FLUID THAT FALLS ON AIRPLANE SURFACES. HYDRAULIC FLUID CAN DAMAGE AIRPLANE SURFACES.
(5) Make sure hose assemblies and mating connections have caps to keep out moisture, dirt, or other contaminants until the hose is connected to the airplane system.
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