Shown on engine 622.9 with code HH4 (THERMOTRONIC automatic climate control) |
1 | Poly-V-belt |
2 | Tensioning device |
S13.22-4514-11
Danger | Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. | |
Caution | Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. | |
Warning | 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. | |
Warning | Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | |
| Remove | ||
1 | Remove the fender liner in the right fender. | ||
2.1 | Move tensioning device (2) in direction of arrow and lock with suitable assembly pin. | Model 447 with engine 622.9 | |
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2.2 | Move tensioning device (2) in opposite direction to arrow and lock with suitable assembly pin. | Model 447 with engine 622.8 | |
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3 | Remove poly-V-belt (1). | ||
| Check | ||
4 | Check poly-V-belt (1) for damage and wear. | ||
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If damage and wear are present, | |||
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Replace poly-V-belt (1). | |||
5 | Check tensioning device (2) for damage and wear. | If damage and wear are present, | |
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Replace clamping device(2). | |||
6 | Check guide pulley for damage and wear. | If damage and wear are present, | |
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Replace guide pulley. | |||
7 | Check belt pulley of the engine for damage and wear. | If damage and wear are present, | |
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Replace belt pulley. | |||
8 | Check belt pulley of the alternator (G2) for damage and wear. | If damage and wear are present, | |
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replace belt pulley of the alternator (G2). | |||
9 | Check belt pulley of refrigerant compressor with magnetic clutch (9/10) for damage and wear. | Model 447 with engine 622 | |
If damage and wear are present, | |||
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Replace refrigerant compressor with magnetic clutch (9/10). | |||
| Install | ||
10 | Install poly-V-belt (1). | | |
Observe routing diagram of poly-V belt (1). | |||
11 | Remove assembly pin and tension poly-V-belt (1) with tensioning device (2). | ||
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12 | Install fender liner in right fender. | ||
| Check | ||
Warning | 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. | |
Warning | Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust. | Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area. | |
13 | Perform engine test run; in this connection, check belt drive for proper operation. |
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