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Sanden SD7H15 - User Manual

Sanden SD7H15
33 pages
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SD Compressor
Service Manual

Questions and Answers

  • D
    dennisSep 3, 2026
    is there a break down in parts book form for internals of SD7H15 compressor?

    Summary

    Cautionary Information

    Pressure Release

    Procedure for safely relieving internal pressure before working on the compressor.

    Recovery of Refrigerant

    Guidelines for proper refrigerant recovery and recycling to prevent atmospheric discharge.

    Handling of Refrigerant

    Safety precautions for handling refrigerants, including eye and hand protection.

    R134 a Information

    R134 a; PAG Oil Handling Precautions

    Precautions for handling R134a refrigerant and PAG oils, emphasizing moisture control.

    Compressor Specifications

    Assembly Torques

    Torque specifications for various compressor assembly components like bolts and nuts.

    Tools

    Special Service Tools

    Lists specialized tools required for Sanden compressor service and repair.

    Troubleshooting Chart

    Inspection Procedures

    Leak Checking

    Methods for detecting refrigerant leaks using visual inspection, soap bubbles, and electronic detectors.

    Oil Level Measurement (In Vehicle)

    Procedure for measuring compressor oil level while the unit is installed in a vehicle.

    Unusual Noises Due to Compressor

    Investigating noises originating directly from the compressor, such as valve or clutch bearing issues.

    Valve Plate Test

    A test to diagnose potential valve plate assembly failures or head gasket issues.

    Oil Charging

    Compressor Repaired Internally and Reinstalled in the System

    Procedure for draining, measuring, and refilling oil when a compressor is internally repaired.

    Sanden Compressor Replaced by a New Sanden Compressor of the Same Type

    Steps for oil management when replacing a Sanden compressor with an identical model.

    Oil Charge Determination for Long Hose Applications

    Methods for calculating the correct oil charge for systems with unusually long hoses.

    Clutch Service

    Shaft Seal Service

    Cylinder Head; Valve Plate Service

    Thermal Protector Switch Service

    High Pressure Relief Valve Service

    Converting R-12 Systems to R134 a

    Sanden SD7H15 Specifications

    General IconGeneral
    Displacement155 cc
    Number of Cylinders7
    Maximum Speed6000 RPM
    ModelSD7H15
    TypeSwash Plate
    Oil Capacity135 cc
    RefrigerantR134a
    Oil TypePAG

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