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SD Compressor Service Manual SD COMPRESSOR SERVICE MANUAL TABLE OF CONTENTS 1. Compressor Models Covered 2. Compressor Nomenclature 3. Cautionary Information 4. R134a Information 4.1 R134a / Pag Oil Handling 4.2 Table of Saturation Temperatures and Pressures 5. Compressor Identification 5.1 Label 5.2 Date Codes 6. Compressor Specifications 6.1 Belt Tension 6.2 Speed Rating 6.3 Basic Specifications 6.4 Assembly Torques 6.5 Mounting Angles 7. Cylinder Head / Porting Guide 8. Tools 8.1 Special Service Tools 8.2 Standard Tools 9. Service Procedures 10. Inspection Procedures 10.1 Leak Checking 10.2 Oil Level Measurement 10.3 Shaft Turning Smoothness Inspection 10.4 Clutch Inspection 10.5 Unusual Noise Not Due to Compressor 10.6 Unusual Noise Due to Compressor 10.7 Valve Plate Test 11. Field Replaceable Parts 11.1 Compressor Parts 11.2 Clutch Parts 12. Service Operations - General Information 13. Oil Charging 13.1 Repairing Compressors 13.2 Replacing Same Type of Compressors 13.3 Replacing Different Types of Compressors 13.4 Oil Charge Determination for Long Hose Application 13.5 Oil Retained in System Components 14. Clutch Service 14.1 Armature Assembly Removal 14.2 Rotor Assembly Removal 14.3 Field Coil Assembly Removal 14.4 Field Coil Assembly Installation 14.5 Rotor Assembly Installation 14.6 Armature Assembly Installation 15. Shaft Seal Service 16. Cylinder Head / Valve Plate Service 16.1 Cylinder Head Removal 16.2 Valve Plate Removal 16.3 Valve Plate and Cylinder Head Installation 17. Thermal Protector Switch Service 17.1 TPS Testing 17.2 TPS Replacement 18. High Pressure Relief Valve Service 19. Converting R-12 Systems to R134a ** Service Oil Information This service manual has been prepared by Sanden International (USA), Inc. It Includes information on application, troubleshooting, and repair of automotive air conditioning compressors manufactured by Sanden Corporation and its subsidiaries, in accordance with the appropriate SAE standards for mobile air conditioning. Service operations not described in this manual are not authorized for Sanden compressors. For further information contact your nearest Sanden representative. Compressor Models 1. Model Conversions TYPE 5 Cylinder R-12 SD-505 SD-507 SD-508 SD-510 SDB-706 SD-708 SD-709 SDB-709 R134a SD7B10 / SD5H09 SD5H11 SD5H14 SD7H15HD and SD5H14HD SD7B10 SD7H13 SD7H15 SD7B15 7 Cylinder COMPRESSOR NOMENCLATURE 2. Identification R-12 Compressors SD Sanden reciprocating wobble plate compressors -7 Number of Cylinders 09 Approximate displacement, in cubic inches SD Sanden reciprocating wobble plate compressors 7 Number of cylinders H Port location ( H if on head, B if on body ) 15 Approximate displacement, in cubic centimeters (divided by 10) HD Heavy Duty (HD) or Sealed Heavy-duty (SHD) clutch CAUTIONARY INFORMATION 3.1 Pressure Release Before disconnecting any lines, always make sure refrigerant has been removed from the A/C system by recovering it with the appropriate recove