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Water Pump: Reassembly

  1. Place pump housing on suitable tool (Saab Tool No. 786220) and press long end of shaft into upper pump housing face with aid of suitable tool (Saab Tool No. 786219), short hole (see Fig 1).
    NOTE: Coat outer face of bearing with Loctite before installation.
    Fig 1: Installing Pump Seal
    G09326185Courtesy of SAAB-SCANIA OF AMERICA, INC.
  2. Place housing in reverse position using suitable tool (Saab Tool No. 786219 and 786220). Place on pressing table. Position seal and press it in firmly with small edge of suitable tool (Saab Tool No. 786220) (see Fig 2).
    Fig 2: Installing Impeller
    G09326186Courtesy of SAAB-SCANIA OF AMERICA, INC.
  3. In the same position, mount impeller on pump shaft and press it on with suitable tool (Saab Tool No. 786220), until it bottoms out (see Fig 3).
  4. Install pulley in suitable tool (Saab Tool No. 786219), and press with a mandrel on pump shaft until shaft protrudes 0.03 - 0.08" (0.76 - 2.03 mm) beyond pulley (see Fig 3).
    NOTE: Press on pump shaft and not on impeller.
    Fig 3: Installing Pump Pulley
    G09326187Courtesy of SAAB-SCANIA OF AMERICA, INC.
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