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Home >> GMC >> 1995 >> Forward Control 4.3 Z, Standard >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> A/C Compressor Servicing >> HARRISON Hr100T & Hr110-MD 4-Cylinder >> Shaft Seal >> Installation

Shaft Seal: Installation

  1. Lubricate new "O" ring with refrigerant oil, and install it on "O" Ring Installer (J-33011). Insert "O" ring installer in compressor until installer bottoms.
  2. Move slide on "O" ring installer downward until "O" ring is released into lower groove. The top groove is for snap ring. Rotate installer to seat "O" ring.
  3. Coat shaft seal with refrigerant oil. Install seal on shaft seal remover/installer. Expand seal using shaft seal remover/installer.
  4. Install Shaft Seal Protector (J-34614) through seal. Install seal on shaft seal protector so seal lip is toward compressor. Remove shaft seal remover/installer.
  5. Install shaft seal protector over end of compressor shaft. Push shaft seal into compressor until it bottoms. Install new shaft seal snap ring with flat side against seal.
  6. Install compressor shaft key, allowing key to protrude about 3/16" (4.8 mm) from rear of clutch plate. Install clutch plate on compressor shaft.
  7. Using Clutch Plate Installer (J-9401-B), press clutch plate onto compressor until clearance between clutch plate and rotor is .020-.030" (.51-.76 mm).
  8. Using spanner, install new compressor shaft nut (if equipped) and tighten it to 10 ft. lbs. (14 N.m). Check components for proper rotation. Install compressor. Evacuate and recharge system. Check for leaks.
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