Remove/Install Belt Drive Components - AR13.20-P-0001OGR
Engine 642 in model 166, 292
| Risk of injury . Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the operating area of mechanical components when moving components. | AS00.00-Z-0009-01A | |
| Remove | |||
| 1 | Remove engine charge air duct upstream of charge air cooler | AR09.41-P-8623OGR | |
| 2 | Remove bracket for impact plate at timing case cover | ||
| 3 | Loosen poly-V belt (1) and remove | ||
| WF58.50-P-1325-02A | |||
Do not use belt wax or similar products. This leads to slipping of the poly-V belt (1). |
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| 4 | Remove screw/bolts (3) of tensioning device (2) | When removing the clamping device (2) | |
| 5 | Remove tensioning device (2) | When removing the clamping device (2) | |
| 6 | Remove pin and detention tensioning device (2) | When replacing the clamping device (2) | |
| 7 | Remove guide pulleys (4) | When removing the guide pulley (4) |
|
| Check | |||
| 8 | Check profile of belt pulley, tensioning device (2) and guide pulleys (4) for damage and soiling and replace if necessary | ||
| 9 | Check poly-V belt (1) for wear and damage and replace if necessary | ||
| AP13.22-P-1352CW | |||
| Install | |||
| 10 | Install guide pulleys (4) | When installation the guide pulleys (4) | |
| *BA13.25-P-1002-01T | |||
| 11 | Place clamping device (2) on engine with screw/bolt (3) | When installing the clamping device (2) | |
| 12 | Tighten screw/bolt (3) | When installing the clamping device (2) | |
| *BA13.25-P-1001-01T | |||
| 13 | Tighten tensioning device (2) and lock in place with a pin | When replacing the clamping device (2) | |
| 14 | Fit on poly V-belt (1) | Routing diagram for poly-V belt |
AR13.22-P-3902-02TI |
| 15 | Pull pin out of clamping device (2) and release clamping device | ||
| 16 | Install bracket for impact plate at timing case cover | ||
| 17 | Install engine charge air duct upstream of charge air cooler | AR09.41-P-8623OGR | |
| Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 18 | Carry out an engine test run |
BELT TENSIONING DEVICE
| Number | Designation | Engine 642 | |
|---|---|---|---|
| BA13.25-P-1001-01T | Screw/bolt, tensioning device to crankcase | Nm | 58 |
BELT TENSIONING DEVICE
| Number | Designation | Engine 642 | |
|---|---|---|---|
| BA13.25-P-1002-01T | Screw/bolt, tensioning device to oil pan | Nm | 30 |