65637bd9

3.3.22. Speed of idling and maximum speed

Check / adjustment of speed of idling and maximum speed

As diesel engines have no system of ignition, the special tachometer working at photo cells is necessary.

PERFORMANCE ORDER
1. Warm up the engine up to the operational temperature. Temperature of the min. cooling liquid is +80 °C.
2. Electroconsumers (the radio receiver, light) have to be switched off.
3. Connect a tachometer.
4. 2–3 times give to the engine big turns and leave to idle.
5. Cock the emergency brake.
6. Check idling speed.
7. If the speed of idling is determined incorrectly, weaken a lock-nut and adjust speed rotation of the adjusting screw (1). After adjustment you zakontrit the screw.

Prevention

Do not rotate other screws.


Check / adjustment of the maximum speed

PERFORMANCE ORDER
1. Check adjustment of the drive of gas.
2. Completely squeeze out the accelerator pedal and check the maximum speed.
3. If the maximum speed is determined incorrectly, weaken a lock-nut and adjust speed, rotating the adjusting screw. After adjustment you zakontrit the screw and establish a new seal.

Prevention

Do not rotate other screws.


4. Disconnect a tachometer.

Adjustment of a demfer

PERFORMANCE ORDER
1. Start and warm up the engine until the arrow of the index of temperature of cooling liquid reaches the middle of a scale.
2. Connect a tachometer.
3. Speed and slowly release Uvelichitte by means of the lever until the adjusting screw concerns a demfer. Speed has to be at the same time 1300 rpm.
4. If necessary determine the required speed by means of the adjusting screw.