W01.00-1055-06
Depicted in engine 904.9
1 Combined injector holder
2 Bolt
3 Spherical washer
4 Screw with spherical collar
5 Tensioning arc
6.1 Connection piece
6.2 Fastening arc
7 Sealing ring
8.1 Compressionmeter
8.2 Diagram sheet
8.3 Intermediate piece
9 Top Brake cover
10 Fuel return line
11 Clamp
| Remove | ||
1 | Test the clearance of the valves; adjust if necessary | Adjust only with the cold engine, or not before 30 min. after engine shutdown. | |
| Adjust the valve clearance | ||
2 | Bring the engine to the operating temperature | ||
3 | Remove the combined injector holder (1) | ||
| Inspect | ||
Danger! | Risk of explosion due to inflammation, Risk of poisoning by fuel inhalation and swallowing, and Risk of injury due to contact of fuel with the skin and eyes | Fire, sparks, open flame and smoking are prohibited. Store fuel only in suitable containers, appropriately identified. When handling fuel, wear appropriate protective clothing and equipment. | |
4 | Mount the fuel return line (10) on the injection units | ||
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| Fuel return line of injection units for the compression ratio test | ||
5 | Join the connection piece (6.1) and fastening arc (6.2) with the screw (2) or the screw with spherical collar (4) | Glue the sealing ring (7) with multi-purpose grease on the connection piece (6.1). | |
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6 | Connect the compression meter (8.1) with to the connecting piece (8.3) and connection piece (6.1) | Connection of the compression meter (8.1), refer to the manufacturer's operating instructions. | |
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7 | Place the diagram sheet (8.2) on the compression meter (8.1) | | |
Danger! | Accident risk due to involuntary movement with the engine running. Risk of crushing and burn injury due to contact during the starting procedure or with the engine running | Secure the vehicle against unintentional movement. Use closed, tight working clothes. Do not touch hot or moving parts. | |
8 | Start the engine with the starter (by concurrent compression of the engine start and stop keys) | ||
9 | inspect the other cylinders in the same way | ||
10 | Compare the measured values (8.2) with the allowable values | Compression pressure at the starter motor turning | |
Allowable difference between the individual cylinders | |||
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In the case of discrepancies or for other checks, remove the cylinder head: | |||
Type 958 | |||
| Install | ||
11 | Remove the compression meter (8.1) and connection piece (6.1) with the sealing ring (7) | ||
Danger! | Risk of explosion due to inflammation, Risk of poisoning by fuel inhalation and swallowing, and Risk of injury due to contact of fuel with the skin and eyes | Fire, sparks, open flame and smoking are prohibited. Store fuel only in suitable containers, appropriately identified. When handling fuel, wear appropriate protective clothing and equipment. | |
12 | Remove the fuel return line (10) on the injection units | ||
13 | Install the combined injector holder (1) |
Compression pressure
Número | Denominação | Engine 904.9, 906.9 | |||
BE01.00-B-1001-01C | Minimum allowed compression pressure (at sea level) | bar | 28 | ||
BE01.00-B-1002-01C | Maximum variation between cylinders of an engine. | bar | 4 | ||
Diesel injection system with unit pumps (MR/PLD)
Número | Denominação | Engine 904.9, 906.9, 924.9, 926.9 without code MS8 | |||
BA07.15-B-1003-01A | Injector fastening support to cylinder head | 12 corners with spheric collar | Nm | 35 | |
Hexagonal Inner part | Nm | 30 | |||
001 589 78 21 00
Final compression pressure recorder
904 589 01 21 00
Connecting piece
000 589 40 37 00
Post
Produtos para reparos
Número | Denominação | Número de pedido |
BR00.45-B-1051-06A | Grease for heat resistant bearings | A 000 989 81 51 |
Referenced documents
- ar0130b5800ta Remove/install cylinder head
- ar0703b6831tc Remove/install nozzle holder combination
- ar0715b200006ta Install, remove fuel return line at unit pumps
- as0000b000501a 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.
- as4700b000101a Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.
- wf5850b070002a Fuel return line of unit pumps for compression test