Remove/Install Poly-V Belt - AR13.22-P-1202W
Engine 276 in model 172
Shown: engine 276.9 with an hydraulic power steering pump
Fig 1: Poly-V Belt Components Location - Engine 276 In Model 172 (shown: Engine 276.9 With An Hydraulic Power Steering Pump)
| Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension | Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves. | AS00.00-Z-0001-01A | |
| Remove | |||
| 1.1 | Remove upper engine cover | Engine 276.9 in model 172 | |
| 1.2 | Unfasten charge air cooler and place with attached lines and coolant hoses to one side | Engine 276.8 in model 172 | AR09.41-P-6819RKA |
| 2 | Release clamping device (1) counterclockwise and lock clamping device (1) using a suitable drift (5) | ||
| 3 | Take off poly-V belt | ||
| Check | |||
| 4 | Check poly-V belt for damage | If damage is present ↓ Replace poly-V belt. |
|
| 5 | Check belt pulley of A/C compressor for damage | Engine 276 in model 172 with code 580 (Air-conditioning system) Engine 276 in model 172 with code 581 (Automatic air conditioning) If damage is present ↓ Replace A/C compressor. |
AR83.55-P-5300W |
| 6 | Check belt pulley of alternator for damage | If damage is present ↓ Replace alternator belt pulley. |
AR15.40-P-5710W |
| 7 | Check belt pulley/vibration damper for damage | If damage is present ↓ Replace belt pulley/vibration damper. |
AR03.30-P-1600W |
| 8 | Check clamping device (1) for damage | If damage is present ↓ Replace clamping device (1). |
AR13.25-P-3220W |
| 9.1 | Check left guide pulley for damage | Engine 276.8 in model 172 If damage is present ↓ Replace left guide pulley. |
AR13.20-P-0017W |
| 9.2 | Check belt pulley of the power steering pump for damage | Engine 276.9 in model 172 up to model year 2016 If damage is present ↓ Replace power steering pump. |
AR46.30-P-0500W |
| 10 | Check right guide pulley (2) for damage | If damage is present ↓ Replace right guide pulley (2). |
AR13.20-P-0018W |
| Install | |||
| 11 | Fit on poly-V belt | Routing diagram for poly-V belt This leads to slipping of the poly-V belt (8). |
AR13.22-P-3902-02MM |
| 12 | Pull out drift (5) and tension poly-V belt with clamping device (1) | ||
| 13.1 | Install upper engine cover | Engine 276.9 in model 172 | |
| 13.2 | Install charge air cooler | Engine 276.8 in model 172 | AR09.41-P-6819RKA |
| 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 | |
| 14 | Perform an engine test run and check engine for proper function |