Garbage Truck Idle Speed ​​Failure Analysis

Garbage truck idling is mainly manifested in: when idle, it will be extinguished for no reason, or it will turn off when it accelerates after idling. Although the problems encountered during driving are small, it is also a good idea for daily maintenance and maintenance of garbage trucks. habit.

The above is the analysis of garbage truck manufacturers: Reasons and maintenance methods of garbage truck idle speed:

First, the phenomenon of failure (1) engine idle speed is higher than the specified value;
(2) The idling operation is unstable, and the flame is quickly extinguished;
(3) Depress the accelerator pedal to operate normally, then turn off the engine when it is raised.

Second, fault diagnosis and troubleshooting (1) Check the floater oil level is too high, vacuum and mechanical enrichment device ball valve is tight;
(2) Pull the throttle valve by hand, check the closing condition, and check the tightness of the throttle valve;
(3) Adjust the idle speed;
(4) Check whether the benefits of throttle tip and idle nozzle are normal;
(5) Check the connection between the intake manifold and the cylinder head and the carburetor base gasket to check the valve clearance.

Third, the cause of the failure (1) Idle volume hole and oil channel plug;
(2) Leakage under the throttle of the carburetor, vacuum leaking from the piston;
(3) Improper adjustment of carburetor idle speed;
(4) The throttle lever is blocked or the spring is too soft, and the throttle cannot be completely closed;

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