Tightening connecting rod bolts - AR03.10-P-6111-02T
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ENGINE 646.8 /951 /961 /962 /963 /966, 647.961, 648.960 /961, 651
CONNECTING ROD
| Number | Designation | Engine 646, 647, 648, | |||
|---|---|---|---|---|---|
| BA03.10-P-1001-01P | Bolt, connecting rod cap to connecting rod | At initial tightening torque after cracking | Stage 1 | Nm | 5 |
| Stage 2 | Nm | 25 | |||
| Stage 3 | ∠° | 180 | |||
| For subsequent tightening | Stage 1 | Nm | 5 | ||
| Stage 2 | Nm | 25 | |||
| Stage 3 | ∠° | 90 | |||
CONNECTING ROD
| Number | Designation | Engine 651 | |||
|---|---|---|---|---|---|
| BA03.10-P-1001-01R | Bolt, connecting rod cap to connecting rod | At initial tightening torque after cracking | Stage 1 | Nm | 5 |
| Stage 2 | Nm | 25 | |||
| Stage 3 | ∠° | 180 | |||
| For subsequent tightening | Stage 1 | Nm | 5 | ||
| Stage 2 | Nm | 25 | |||
| Stage 3 | ∠° | 90 | |||
If no angle tightener is available, continue turning the connecting rod bolts to the specified angle using a socket wrench and locking handle. Do not use a flexi-rod torque wrench for tightening in order to avoid any angle errors.
- Lubricate the bolt thread and head contact surface with engine oil.
- Tighten connecting rod screws initially to specified torque.
- Tighten conrod bolts with an angle tightener.