15.9. Elements of a control system of ignition
RPM METER OF THE BENT SHAFT
Removal
| PERFORMANCE ORDER |
| 1. Remove a weight wire from the accumulator. |
| 2. Disconnect the electric socket of the RPM meter of a bent shaft located in a motor compartment behind the accumulator. |
| 3. The RPM meter of a bent shaft is located between the block of cylinders of the engine and a case of coupling over a starter. Unscrew a bolt and take the sensor from a coupling case. Remove laying. |
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Installation
| PERFORMANCE ORDER |
| 1. Installation is made in the sequence, the return to removal. Before installation of the RPM meter of a bent shaft establish on it new laying. |
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ELECTRONIC CONTROL DEVICE
Removal
Arrangement electronic the control control unit ignition on models with system of ignition of TSZ
| PERFORMANCE ORDER |
| 1. The electronic control control unit is located ignition on the left side of a motor compartment on the top part of an arch of a wheel (see the drawing). |
| 2. Remove a weight wire from the accumulator. |
| 3. Mark and disconnect моногокон cycle electric sockets of the electronic control structure of management I eat ignitions. |
| 4. Disconnect a vacuum hose of an inlet collector from the control unit and close an opening a stopper. |
5. Unscrew nuts and take the electronic control device from a motor compartment.
Prevention
For improvement of heat removal from the electronic control device its lower surface is covered with special heat-conducting paste.
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Installation
| PERFORMANCE ORDER |
| 1. Installation is made in the sequence, the return to removal. If the layer of heat-conducting paste is polluted or hardened, buy fresh paste from the dealer of Mercedes-Benz and replace it. |
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SENSOR OF TEMPERATURE OF COOLING LIQUID
Usually the system of ignition and system of injection of fuel have one general sensor of temperature of cooling liquid. You watch subsections 9.10.1, 10.13.5.
SWITCH OF EXTREME PROVISIONS OF THE BUTTERFLY VALVE
The system of ignition and system of injection of fuel are run by one general switch of extreme provisions of a butterfly valve. The switch of provision of a butterfly valve can be removed only on the removed throttle case. Installation of the switch needs to be made only at service station.
THE SENSOR OF TEMPERATURE OF THE AIR COMING TO THE ENGINE
Removal
| PERFORMANCE ORDER |
| 1. The sensor of temperature of the air coming to the engine is installed sideways a casing of the air filter. |
| 2. Check that ignition is switched off, then disconnect the electric socket from the sensor. |
| 3. Turn the sensor on a quarter of a turn and remove it from a casing of the air filter. Remove laying. |
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Installation
| PERFORMANCE ORDER |
| 1. Installation is made in the sequence, the return to removal. |
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SENSOR OF THE TOP DEAD POINT
The sensor of the top dead point is installed on an arm over a quencher of tortional fluctuations from the forward party of the engine. Position of the sensor of the top dead point is very important for installation of a corner of an advancing of ignition therefore replacement of the sensor of the top dead point needs to be made at service station.