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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> A/C Compressor Overhaul >> HARRISON Hr-6 & V5 Shaft Seal R & I >> Installation

HARRISON Hr-6 & V5 Shaft Seal R & I: Installation

  1. With shaft seal protector in place, lubricate new "O" ring with refrigerant oil and install "O" ring on "O" Ring Installer (J-33011).
  2. Insert "O" ring installer in compressor until it bottoms. Move slide on "O" ring installer downward until "O" ring is released into groove. Rotate installer to seat "O" ring. Remove "O" ring installer.
  3. Lubricate shaft seal with refrigerant oil. Expand seal using shaft seal remover/installer. Install seal on Seal Protector (J-34614). Place seal protector over shaft. Push shaft seal into compressor with a rotary motion until seal bottoms.
  4. Install NEW snap ring with flat side against seal. Install clutch plate on compressor crankshaft.
  5. Using clutch plate remover/installer, press clutch plate on compressor to achieve a clutch assembly clearance of .020-.030" (.51-.76 mm) on HR-6 compressors or .015-.025" (.38-.64 mm) on V5 compressors.
  6. Using spanner, install crankshaft nut and tighten to 12 ft. lbs. (17 N.m). Evacuate and recharge system. Check for leaks.
Fig 1: Exploded View of Harrison HR-6 6-Cylinder Compressor
G104024Courtesy of GENERAL MOTORS CORP.
Fig 2: Exploded View of Harrison V5 5-Cylinder Compressor
G104025Courtesy of GENERAL MOTORS CORP.
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