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A/c Compressor Servicing Jeep Cherokee II

General Servicing - All Makes 1 illustration ~346 words

SANDEN SD-508 5-CYL & SD-709 7-CYL CLUTCH R & I

CAUTIONWhen discharging air conditioning system, use only approved refrigerant recovery/recycling equipment. Make every attempt to avoid discharging refrigerant into the atmosphere.

REMOVAL

  1. Using Spanner (J8924-17), hold clutch hub stationary and remove shaft nut. Using Puller (J-8924-1B), remove clutch plate. Remove external front housing snap ring and internal bearing snap ring (SD-508 only). (Scheme 11)
  2. Install puller and remove pulley assembly. Remove snap ring and clutch coil.

INSTALLATION

  1. Install clutch coil and snap ring on compressor. Support compressor on rear mounting ears. Using Pulley Installer Set (J-8924-21), install pulley assembly. After pulley assembly is seated, install internal bearing snap ring (SD-508 only) and external front housing snap ring.
  2. Using Clutch Plate Installer (J-8924-27), install clutch plate on the shaft. Tighten shaft nut to 25-30 ft. lbs. (34-41 N.m). Using feeler gauge, measure clearance between clutch plate and pulley in several areas. Clearance should be.016-.031" (.41-.79 mm).
  3. If clearance is not within specification, adjust shim thickness to obtain correct clearance. (Scheme 11)
  1. With compressor removed, remove clutch assembly. If oil is drained from compressor, note amount drained. Remove key from the shaft. Remove felt ring metal retainer and felt ring. Using small screwdriver, remove shims for the clutch plate. (Scheme 11)
  2. Remove shaft seat retaining snap ring. Using Shaft Seat Remover/Installer (J-8924-32), remove shaft seat. Install Shaft Seal Remover/Installer (J-8924-31) into shaft seal. Press downward on shaft seal remover/installer and rotate to engage tangs with slots of shaft seal. Pull shaft seal from compressor.
  1. Install Seal Sleeve Protector (J-8924-34) over compressor shaft. Coat seal sleeve protector, new shaft seal and shaft seal seat with refrigerant oil. DO NOT touch the sealing surfaces of the seal.
  2. Place seal on shaft seal remover/installer. Install seal in compressor and twist seal remover/installer opposite direction and remove. Using shaft seat remover/installer, install shaft seat.
  3. Install snap ring with beveled edge away from compressor. It may be necessary to tap on snap ring to ensure it seats in the groove. Install shims and NEW felt. To install remaining components, reverse removal procedure. Fill compressor with the amount of oil that was drained. Evacuate and recharge system. Perform leak test.

Scheme 11

Scheme 11
Scheme 11