Remove/Install Coolant Feed Line For - AR20.20-P-1000SB
Engine 256 in model 223
Shown on engine 256.9 with code 2U8
(Alternative refrigerant)
| 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 danger zone. | AS49.00-Z-0001-01A | |
| 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. | AS00.00-Z-0002-01A | |
| Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant. | Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the overpressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| Notice | Notes on coolant | AH20.00-P-2080-01KOA | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove/install | |||
| 1 | Drain off coolant. | AR20.00-P-1142SB | |
| 2 | Remove upper engine cover. | ||
| AP01.10-P-2405-01OB | |||
| 3 | Remove inerting system line (2) from the exhaust gas turbocharger (1) and place to one side. | Engine 256 in model 223 with code 2U8 (Alternative refrigerant) |
*BA86.10-P-1002-03G |
| 4 | Remove the catalytic converter. | Engine 256.9 in model 223 | AR49.20-P-0100S |
| Engine 256.8 in model 223 | AR49.20-P-0100SBA | ||
| 5 | Remove screws (3). | ||
| Notice | Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | |
| *BA09.40-P-1012-02MRT | |||
| 6 | Remove coolant line (4) from the exhaust gas turbocharger (1). | Lubricant, rubber assembly 1 L |
*BR00.45-Z-1010-06A |
| Fig 1 | |||
| Fig 2 | |||
| 7 | Remove the coolant line (5). | Lubricant, rubber assembly 1 L |
*BR00.45-Z-1010-06A |
| Fig 1 | |||
| Fig 2 | |||
| 8 | Install in the reverse order. | ||
| Check | |||
| 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 | |
| 9 | Perform engine test run. While doing so, check engine for proper operation and leak tightness. |
TURBOCHARGER
| Number | Designation | Engine 256 | ||
|---|---|---|---|---|
| BA09.40-P-1012-02MRT | Screw, water feed line/return line to exhaust gas turbocharger/crankcase/cylinder head | Stage 1 | Nm | 8 |
| Stage 2 | ∠° | 60 | ||
INERTING
| Number | Designation | Model 223 | ||||
|---|---|---|---|---|---|---|
| BA86.10-P-1002-03G | Pipe for inerting to engine | M6 | Screw | Nm | 8 | |
| Nut | Stage 1 | Nm | 8 | |||
| Stage 2 | ∠° | - | ||||
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1010-06A | Lubricant, rubber assembly 1 L | A 000 989 03 67 |