TM 5-4310-393-14b.Remove the selected oil line by releasing the tube end fittings and removing the oil linec.Cover or plug the opened fittings to avoid entry of dirt into the compressor oil system.d.Replace the oil line in the reverse order of removal4-14.3. COMPRESSOR IMPELLER/GROOVE PULLEYThis task covers: A. Inspect b. Remove C. Repair D. InstallToolsMaterials/Parts:Socket Wrench, N04447Equipment Conditions:Compressor Secures.Belt Guard RemovedA. Inspect.1.Inspecting the Compressor Impeller/Groove Pulleya.Remove the drive V-belt and clean the flywheel with a stiff brush.b.Inspect the belt groove If the groove is worn so that the belt bottoms in the groove, theimpeller/groove pulley must be replaced.c.Inspect the Impeller blades for cracks or other damage. If damage is present, replace thecomponent.B. Remove.1.Removing the CompressorImpeller/Groove Pulley.a.Remove four socket head capscrews (1) and lock washers (2) to separate Impeller (3)from hub (4)C.Repair.1.Repairing the CompressorImpeller/Groove Pulley.a.Only minor repairs such as cleaningand removing dirt deposits and corrosion from theImpeller blades and belt groove are practical. If physicaldamage to the assembly exists, replace it.D.Install1.Installing the Compressor Impeller/GroovePulley.Figure 4-8. Compressor Impeller/Groove Pulley4-18
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