D01.00-1115-09
1 Sealing ring
2 Nozzle holder combination
3 Bolt
4 Retaining clamp
8 Cap
9 Connector hose
10 Compression recorder
11 Diagram chart
5 Clamp
6 Fuel return line
7.1 Connection piece
7.2 Tensioning clamp
| Removing | ||
1 | Warm up engine to normal operating temperature | ||
2 | Remove nozzle holder combinations (2) | ||
| Checking | ||
Danger! | Risk of explosion caused by ignition of flammable products, risk of poisoning caused by inhaling fuel vapors or swallowing fuel as well as risk of injury to skin and eyes exposed to fuel. | No fire, sparks, open flames or smoking. Wear protective clothing when handling fuel. | |
3 | Attach fuel return line (6) to unit pumps | ||
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| Fuel return line of unit pumps for compression test | ||
4 | Tighten down connector (7.1) and clamp (7.2) using bolt (3) | Stick seal (1) to connection piece (7.1) with grease. | |
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5 | Connect compression recorder (10) with connector hose (9) to connector (7.1) | Pay attention to manufacturer's operating instructions. | |
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6 | Insert recording sheet (11) into compression recorder (10) | | |
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. | |
7 | Crank engine with starter | ||
8 | Inspect remaining cylinders in the same way | ||
9 | Compare measurements in diagram chart (11) with specified values | Compression pressure at starter speed | |
Permissible difference between individual cylinders | |||
In the event of a complaint or for further inspection: | |||
Remove cylinder head | |||
| Install | ||
10 | Remove compression recorder (10), connector hose (9), clamp (7.2) and connector (7.1) with sealing ring (1) | | |
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Danger! | Risk of explosion caused by ignition of flammable products, risk of poisoning caused by inhaling fuel vapors or swallowing fuel as well as risk of injury to skin and eyes exposed to fuel. | No fire, sparks, open flames or smoking. Wear protective clothing when handling fuel. | |
11 | Remove fuel return line (6) on unit pumps | ||
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| Fuel return line of unit pumps for compression test | ||
12 | Install nozzle holder combinations (2) |
Check values for compression pressure
Number | Designation | Engine Engine | |
BE01.00-N-1001-01E | Compression pressure at starter speed | bar | 28 |
BE01.00-N-1002-01E | Permissible difference between individual cylinders | bar | 4 |
Diesel injection system with unit pumps (MR/PLD)
Number | Designation | Engine Engine | ||
BA07.15-N-1003-01A | Bolt connecting retaining clip of nozzle holder combination to cylinder head | Hexagon socket | Nm | 30 |
Twelve-point with radius seat | Nm | 35 | ||
904 589 01 21 00
Clamping device
Connector
Compression tester
001 589 78 21 00
000 589 40 37 00
Repair materials
Number | Designation | Order number |
BR00.45-Z-1014-06A | ATE grease | - |
Referenced documents
- ar0130d5800ad Remove/install cylinder head
- ar0703d6831ad Remove/install nozzle holder combination
- ar0715d200006ad Install, remove fuel return line at unit pumps
- as0000z000501a 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.
- as4700z000101a 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.
- wf5850w070002a Fuel return line of unit pumps for compression test