737-300/400/500MAINTENANCE 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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L11373
A 737-300/400/500MAINTENANCE MANUAL
CONDUIT SIZE (OD) MAXIMUM DENT DEPTH CONDUIT SIZE (OD) MAXIMUM DENT DEPTH
0.25 0.050 0.88 0.175
0.31 0.063 1.00 0.200
0.38 0.075 1.25 0.250
0.50 0.100 1.50 0.300
0.63 0.125 1.75 0.350
0.75 0.150 2.00 0.400
Smooth Dent Damage Limits for Electrical Rigid Conduit
Figure 841
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M28793
A 737-300/400/500MAINTENANCE MANUAL
RADIAL WRINKLE LONGITUDINAL WRINKLE
WRINKLE HEIGHT
WRINKLE MEASUREMENTS
Permitted Forming Limits for Electrical Rigid Conduit
Figure 842 (Sheet 1)
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M28794
A 737-300/400/500MAINTENANCE MANUAL
(OD) CONDUIT SIZE MATERIAL CONDUIT HEIGHT (Inches) ALLOWABLE WRINKLE ALLOWABLE OVALITY Specified OD) (Percent of
1.0 OR LESS STAINLESS STEEL 0.040 10
ALUMINUM ALLOY 0.020 10
OVER 1.0 STAINLESS STEEL 0.060 10
ALUMINUM ALLOY 0.030 10
Permitted Forming Limits for Electrical Rigid Conduit
Figure 842 (Sheet 2)
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M28796
A
737-300/400/500MAINTENANCE MANUAL
FLEXIBLE HOSE - REMOVAL/INSTALLATION
____________________________________
1. General_______
A. This procedure contains one task. The task is the installation of flexible hoses.
TASK 20-10-52-404-001
2. Flexible Hose - Installation (Fig. 401)____________________________
A. General
(1)
Flexible hoses do not have a specified life limit. Inspect flexible hoses to the applicable operators standard.
(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)
Before you do maintenance on oxygen system flexible hoses, read the oxygen system safety precautions and general maintenance instructions. See AMM 35-00-00/201, Oxygen Systems.
CAUTION: PUT CAPS ON THE HOSES AND FITTINGS TO KEEP OUT UNWANTED
_______ MATERIALS. UNWANTED MATERAILS 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 CAUSE DAMAGE TO THE AIRPLANE SURFACES.
(4) Make sure hose assemblies and mating connections have caps installed until they are connected.
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