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Zinc anode and radiator check

  Important
  • Before proceeding with operation, read Par. 3.2.2.

 

  Danger

  • For safety precautions see Chap. 3.

 

Warning

  • Protect the starter motor adequately against contact with liquids before starting operations.

 

  1. Slightly undo union A to drain the coolant into an appropriate container and refer to Par. 3.5.
  2. Undo capscrew B.
  3. Replace component B if value C is below 15 mm.
  4. Undo capscrew D1, D2 and remove cap E1, E2.
  5. Remove radiator F from cooled manifold G.
  6. Perform the cleaning operations, immerse components F, E1, E2 in a solution of distilled water with 10% hydrochloric acid.
  7. Make sure that radiator F is free from deposits and dirt of any kind.
  8. Make sure that all the holes in surfaces F1, F2 are free from deposits and dirt of any kind.

Fig. 5.6

Fig. 5.7

NOTE: if the inside of the pipes on surfaces F1 and F2  (Fig. 5.7) are clogged with deposits even after having been cleaned as per step 6, the pipes must be cleaned using specific mechanical tools.

 
  Important

  • Replace all the gaskets.

 

  1. Fasten cap E2 onto manifold G using capscrews D2 inserting flange E3 and also inserting:

       - gasket H1 between E2 and E3
       - gasket H2 between E3 and G.   
        (tightening torque: MIN 5 Nm, MAX 7.5 Nm)

  2. Insert gasket H3 in radiator F.
  3. Insert radiator F all the way into manifold G.
  4. Insert gasket H4 in radiator F.
  5. Fasten cap E1 onto manifold G using capscrews D1 (tightening torque: MIN 5 Nm, MAX 7.5 Nm)
  6. Clamp capscrew B on cap E1 inserting gasket H5 (tightening torque 30 Nm).
  7. Screw union A onto manifold G.
  8. Perform the operations described in Par. 6.4.

Fig. 5.8

 

Fig. 5.9

Fig. 5.10

Fig. 5.11

 

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