1 | Compression pressure recorder |
2 | Adapter |
3 | Screw-in piece |
P01.00-3162-03
Danger ! | 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. | |
Danger ! | 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. | |
| Remove | ||
1 | Bring engine up to operating temperature (approx. 80°C) | Only check compression pressure for an engine is at operating temperature. | |
2 | Remove glow plugs | ||
3 | Connect diagnostic system and call up control units menu | ||
| Connect STAR DIAGNOSIS and read out fault memory | ||
Select checking of the "compression pressure" in the menu. In this way one can ensure that no injection takes place when turning the engine. | |||
4 | Turn engine as per the menu sequence | Crank engine several times to eliminate combustion residues. | |
| Install | ||
5 | Attach screw-in piece (3) with check valve installed into glow plug hole for cylinder to be checked | Screw-in fitting | |
6 | Connect compression recorder (1) with flexible adapter (2) to the screw-in piece (3) | Compression tester | |
| Check | ||
7 | Allow the engine to turn for a compression test | For checking the engine must be turned through at least 8 revolutions. | |
8 | Carry out test procedure on remaining cylinders in the same way | ||
9 | Compare pressure readings obtained with test values | Installation tolerance or new value of compression pressure | |
Wear limit or limit value of compression pressure | |||
Compression pressure, permissible difference between the cylinders | |||
If pressure measured is less than minimum compression pressure or if permissible difference between individual cylinders is exceeded: | |||
| |||
Check cylinders for leaks | |||
| Remove | ||
10 | Remove compression pressure recorder (1) and screw-in piece (3) | ||
11 | Close off diagnostic system | ||
| Install | ||
12 | Install glow plugs |
626 589 01 91 00
Screw-in fitting
001 589 76 21 00
Compression tester
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