Remove/Install Coolant Feed Line For Turbocharger - AR20.20-P-1000MSC
Engine 256.9 In Model 167
| 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 pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-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 | |
| Topical note | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Topical note | Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | |
| Remove/install | |||
| 1 | Drain off coolant. | AR20.00-P-1142MSC | |
| 2 | Remove exhaust gas aftertreatment unit. | AR49.20-P-1500MSC | |
| 3 | Remove inerting system line from exhaust gas turbocharger (3) and place to one side. | Engine 256.9 in model 167 with code 2U8 (Alternative refrigerant) |
AR86.10-P-0119ME |
| 4 | Remove screws (1, 2). | *BA09.40-P-1012-02MRT | |
| 5 | Remove coolant feed pipe (6) and coolant return line (5) from exhaust gas turbocharger (3) and seal openings with suitable stop plugs. | Fig 1 | |
| 6 | Remove screw (4). | *BA09.40-P-1012-02MRT | |
| 7 | Remove coolant feed line (6) and seal openings with suitable stop plugs. | Fig 1 | |
| 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 | Carry out engine test run and check engine for proper leaktightness and leaktightness. | ||
| 10 | Install lower engine compartment lining. | AR61.20-P-1105ME | |
| 11 | Install upper engine cover. | AR01.10-P-2405MSC |
TURBOCHARGER
| Number | Designation | Engine 256.9 | ||
|---|---|---|---|---|
| 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 | ||