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Fig. 9: Hitachi 6-Cylinder Compressor (5-Cylinder Similar)
Courtesy of NISSAN MOTOR CO., U.S.A. HITACHI 5 & 6-CYL SHAFT SEAL R & I Removal 1. Drain oil from suction port, measure oil drained and discard oil. Remove clutch hub, pulley, bearing assembly and coil assembly. See HITACHI 5 & 6-CYLINDER CLUTCH R & I in this article. 2. Using snap ring pliers, remove retainer ring. Remove key and plug low and high pressure openings of compressor with Plugs (KV994C4531, KV994C4532 and KV994C4559). 3. Insert Adapter (KV994C1552) into hole in middle of blind cover at low pressure side of compressor. Connect Pressurizer (KV994C1552) to can of R-12 refrigerant. Wrap a rag around compressor shaft. Apply pressure of 28-71 psi (2-5 kg/cm 2 ) at low pressure (suction) service valve of compressor. Catch shaft seal seat in rag. See Fig. 11 . 4. Insert shaft seal Remover/Installer (KV994C1143) through the open end of front cover. Depress carbon seal and hook tool at case projection of shaft seal. Slowly pull out to remove shaft seal. See Fig. 11 .
NOTE: Check compressor refrigerant oil level when replacing seals. See COMPRESSOR REFRIGERANT OIL NOTE: If shaft seal cannot be pulled out, reset to its original position, and pressurize again. |