TM 9-2330-267-14&P4-35. HYDRAULIC LINES, HOSES, AND FlTTINGS REPLACEMENT.This Task Covers:a.Removalc.Backing Plate Line Removalb. Installationd. Backing Plate Line InstallationInitial Setup:Materials/Parts:Tools/Test Equipment:l Rags (Item 18, Appendix E)l General mechanic’s tool kit0 Three Iockwashersl Drain pana.REMOVAL1.2.3.4.5.6.7.NOTEThe M149 does not use Iockwashers or nuts on loop clamps.Remove three screws (14), loop clamps (15), Iockwashers (2), and nuts (1) from frame assembly. DiscardIockwashers.NOTEUse a suitable container or drain pan to catch brake fluid. Clean up all spills.Disconnect each end of tube assemblies (19 and 21) and remove union (20).Remove master cylinder adapter (18) and washer (17) from master cylinder (16).NOTEM149A1 and M149A2 trailers have a washer which Is located between nut and hoseassembly. It is not shown here.Remove nut (3) from hose assembly (4), and remove hose assembly from multiple connector (11).Disconnect tube assemblies (6 and 12) at each end and remove from multiple connector (11) and five clips (13).Remove bolts (7), washers (8), multiple connectors (9), and spacer rings (10) from each wheel.Remove nut (5) and multiple connector (11).b.INSTALLATION 1.2.3.4.5.4-62Install multiple connector (11) and nut (5).Install spacer rings (10), multiple connectors (9), washers (8), and bolts (7) on each wheel.Install tube assemblies (6 and 12) in five clips (13). Connect tube assemblies at each end and to multipleconnector (11).Install hose assembly (4) on multiple connector (11) and install nut (3) on hose assembly.NOTEM149 loop clamps are installed with self-tapping screws and do not use Iockwashersand nuts.Position tube assembly (19) on frame assembly and install three screws (14), loop clamps (15), newIockwashers (2), and nuts (1).
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