Renault Magnum engine. Manual — part 28

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Rocker arms, tightening torques

Without "Optibrake" / "Optibrake +"

With "Optibrake"

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With "Optibrake +"

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Rocker shaft and camshaft bearing caps, tightening torques

Camshaft

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Stage

1: bolts (1 › 7)

40±3 Nm

Stage

2: bolts (8 › 13 - 20)

60±5 Nm

For the 2th stage, tighten bolts gradually in the following order: 11 - 10 - 12 - 9 - 13 - 8 - 20, so that the rocker shaft can be lowered without being

damaged.

Stage

3: bolts (1 › 7)

90±5 °

Stage

4: bolts (8 › 13 - 20)

Loosen the bolts

Rocker shaft

Stage

5: bolts (8 › 13 - 20)

60±5 Nm

For the 5th stage, tighten bolts gradually in the following order: 11 - 10 - 12 - 9 - 13 - 8 - 20, so that the rocker shaft can be lowered without being

damaged.

Stage

6: bolts (14 › 19)

40±3 Nm

Stage

7: bolts (14 › 19)

120±5 °

Stage

8: bolts (8 › 13)

Loosen the bolts

Stage

9: bolts (8 › 13)

40±3 Nm

Stage

10: bolts (8 › 13 - 20)

120±5 °