AR03.20-P-1010FG | Removing and installing drive wheel for balance shaft | 21.11.05 |
ENGINE 639.9 in MODEL 454.0
P03.20-2203-09
1 Drive gear
2 Chain tensioner of oil pump chain
3 Belt pulley
6 Oil pump chain
7 Counterholder
4 Bolt
5 Balance weight
| Remove/install | ||
1 | Remove engine with transmission | ||
2 | Remove sliding rail from timing case cover | When removing the slide rail the TDC marking is set on the belt pulley (3) to the positioning edge on the timing case cover (arrow A). The crankshaft must not turned anymore. | |
3 | Place belt pulley (3) on crankshaft and secure with bolt | Do not tighten bolt on belt pulley (3). | |
4 | Counterhold belt pulley (3) using counterholder (7) and loosen bolt (4) on drive wheel (1) | | |
| |||
5 | Take off belt pulley (3) | ||
6 | Push oil pump chain (2) chain tensioner to the stop and secure with a 3.5 mm dia. drift over the bore (arrow B) | ||
7 | Remove oil pump | ||
8 | Remove oil pump chain (6) | Do not turn crankshaft. | |
Installation: Observe basic position of the balance shaft when laying on oil pump chain (6). Refer to: | |||
Set the basic position of the balance shaft | |||
9 | Unscrew bolt (4) | Installation: Only attach bolt (4) to fix correctional weight (5). | |
10 | Remove correctional weight (5) and drive wheel (1) | ||
11 | Install in the reverse order |
Balancing shaft
Number | Designation | Engine 639.939 | ||
BA03.20-P-1003-02F | Bolt, balancing weight to balancing shaft | Nm | 55 | |
Counterholder
454 589 01 40 00