4.4.6. Verification of the basic provision of a balancing shaft (only series 112 engines)

Verification of the basic provision of a balancing shaft (series 112 engines)


  1. Illustrative material on verification of the basic provision of a balancing shaft on engines of a series 112 is presented on an illustration to which all references which are found in the text belong.
  2. Remove transmission assembly (see the Head Automatic transmission).
  3. Remove a driving disk (see the Section Removal and installation of a flywheel / a driving disk).
  4. Uncover a head of cylinders.
  5. On the engines equipped with the air pump remove the right combined valve.

Sealing laying of the combined valve is subject to replacement without fail.

  1. Deploy the engine in situation 40 ° after VMT of the piston of the first cylinder.
  2. Check basic position of camshafts (see the Section Installation of Basic Position of Camshafts).
  3. Establish blocking plates (2) on the right and left heads of cylinders, having filled them in grooves (1) of camshafts.
  4. At the correct installation of a balancing shaft the opening (3) in a back counterbalance (4) has to be combined with a nest in an engine case, - fill in openings a pin with a dimeter of 8.40 ÷ of 8.55 mm. Make sure also of combination risks (V) on a forward counterbalance with a pin (A) in a case, - risk and a pin are located in about 22 cm below the interfaced surface of a head and are looked through through a window in the left cover of the GRM drive.
  5. At violation of basic installation the balancing shaft needs to be replaced.
  6. Working as it should be the return to a dismantle order, install into place all being removed components.