Remove/Install The Partial Loading Ventilation Line - AR01.20-P-0001MRA
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Engine 274.9 in model 205
except code 494 (US version)
except code 945 (China Stage 6 exhaust treatment)
Engine 274.9 in model 253
except code 494 (US version)
except code 945 (China Stage 6 exhaust treatment)
MODIFICATION NOTES
| 13.10.2020 | Document completely revised. |
Fig 1: Partial Loading Ventilation Line Components Location - Engine 274.9 In Model 253 Except Codes 494, 945
| 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. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil | Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers. |
AS18.00-Z-0001-01A | |
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Remove/install | |||
| 1 | Remove the alternator | Engine 274.9 in model 205 (except 205.047/147/247) except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) Engine 274.9 in model 253 (except 253.354/954) except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) |
AR15.40-P-5032LWA |
| 2 | Unclip ME-SFI [ME] control unit (N3/10) with bracket and place to one side with connected lines. | AR07.08-P-7008MRA | |
| 3 | Remove charge air cooler with lines connected and place to one side. | Engine 274.9 in model 205.047/053/054/147/247 except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) Engine 274.9 in model 253.354/954 except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) |
|
| AR09.41-P-6819MRA | |||
| 4 | Remove electrical vacuum pump. | Engine 274.9 in model 205.047/053/054/147/247 except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) |
AR43.05-P-0001MRD |
| Engine 274.9 in model 253.354/954 except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) |
AR43.05-P-0001LVH | ||
| 5 | Remove screw (6). | Engine 274.9 in model 205.047/053/054/147/247 except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) Engine 274.9 in model 253.354/954 except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) |
*BA09.41-P-1004-01U |
| 6 | Remove screws (4) and remove holder (5) of charge air cooler. | Engine 274.9 in model 205.047/053/054/147/247 except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) Engine 274.9 in model 253.354/954 except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) |
*BA09.41-P-1003-01U |
| 7 | Remove screws (9). | Engine 274.9 in model 205.047/053/054/147/247 except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) Engine 274.9 in model 253.354/954 except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) |
*BA01.20-P-1008-01R |
| 8 | Remove full-load bleed line (8) at separating point (10), holder (7), and charge-air distributor (2) and seal openings with suitable stop plugs. | Engine 274.9 in model 205.047/053/054/147/247 except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) Engine 274.9 in model 253.354/954 except code 494 (US version) except code 945 (China Stage 6 exhaust treatment) |
Fig 3 |
| 9 | Release and disconnect electrical connector o partial-load operation crankcase ventilation valve (Y58/2). | ||
| 10 | Remove partial-load bleed line (1) from charge-air distributor (2) and oil separator (3) and seal openings with suitable stop plugs. | Fig 3 | |
| Fig 2 | |||
| 11 | Remove partial-load operation crankcase ventilation valve (Y58/2) from charge-air distributor (2) and remove partial load throttle bleed line (1). | ||
| 12 | Install in the reverse order. |
CRANKCASE VENTILATION SYSTEM, CYLINDER HEAD COVER, CAMSHAFT HOUSING
| Number | Designation | Engine 274 | |
|---|---|---|---|
| BA01.20-P-1008-01R | Screw, bleed line/bleed valve to coolant thermostat | Nm | 8 |
CHARGE AIR PIPE/CHARGE AIR COOLING
| Number | Designation | Engine 274 | |
|---|---|---|---|
| BA09.41-P-1003-01U | Screw, water-cooled charge air cooler holder to cylinder head cover/cylinder head/chain case cover | Nm | 8 |
CHARGE AIR PIPE/CHARGE AIR COOLING
| Number | Designation | Engine 274 | |
|---|---|---|---|
| BA09.41-P-1004-01U | Bolt, holder for engine mount to holder for charge air cooler | Nm | 20 |