Guide to Shop 60kva Diesel Generator in Jet Power Generator

1.

The engine trouble lamp inside the engine trouble lamp in the instrument, remind the driver motor or its related systems are abnormal.

ECM through self diagnosis function, detect anomalies, the engine trouble lamp will light up.
By making the head (the data link
DLC)

Short circuit between terminals, the engine trouble lamp flashing, can confirm that the DTC detection condition.
2.
DLC(
Data link)
DLC(
Data link)

Installed in the driver's lower left side, it is the joint fault diagnosis instrument and communication of the control unit.

It has the function of diagnosis switch by making the DLC terminals (
4 and 12)
Sub, can open diagnosis switch.

Engine stopped state, it can display the current DTC of DTC and the past.

Engine starting state, only show the current occurrence of DTC.
No DTC (
Diagnostic code)

Shows said repeatedly that began to display code & other;
1'
。
3.

Artificial reading code engine stops, the short answer the DLC terminals (
4 and 12)
。
Key switch located in & other;
ON”
That was the fault code memory.

If you have more than 2 fault code is memory, from a number of smaller code begins to show 3 times in turn.

After code is shown again, and starting from the second code repetition shows that & other;
23'
And & other
413'
The code.
DLC short circuit between terminals will continue for the show.
4.

Removal method of DTC system is abnormal, the ECM recorded the DTC, restoration after fault, DTC will not disappear, need according to the following main point force.
（
1)

Removed by the accelerating pedal (1) engine in a state of parking.
(2) short of DLC terminal & other;
4'
And & other
12'
。
(3) open the ignition switch to & other;
ON”
Position.

Meet the above conditions, the following operations can eliminate the fault code.
1) completely step on the accelerator 1 ~ 3 s.
(2) the foot from the accelerator 1 ~ 3 s.
(3) completely trample accelerator pedal 1 ~ 3 s death.
(4) the foot from the accelerator (1 ~ 3 s.
(5) completely step on the accelerator 1 ~ 3 s.
6 foot from the accelerator to 1 ~ 3 s.
（
2)

Connect fault diagnostic instrument by fault diagnosis instrument cleanup code, can be eliminated by cleaning operation code.

Six cylinder in-line diesel engine start-up circuit.

The circuit power supply voltage is 24 v, which USES single negative iron.

Closed circuit when the units need to start the power key switch JK, press start button to KC, start the coil current and electromagnetic switch, the dynamic contact closure, start dc motor electric start, the current from the battery B1 & other
+”

Start-up by dc motor stator winding and rotor winding with battery B2 & other;
-
”
Very (
Grounding)
Constitute a loop.

When the electromagnetic switch timeliness, start the motor gear is introduced with the start of the flywheel ring gear meshed generator-set.html' target='_blank'>diesel generators, diesel generators crankshaft rotates, the diesel engine start.

At the same time, the charging generator regulator p intercepting relay coil electricity, the contact group, through to the silicon rectifying charging generator excitation circuit, L make charging generator voltage is established.

When the engine starts, release start button KC, cut off the start motor circuit, start gear automatically quit right now, away from the flywheel ring gear.

When the engine starts, silicon rectifying generator voltage has been established, W2 intercepting relay coil is energized, keep off state, the contact is closed, the silicon rectifying generator output of electricity flows through the ammeter, and began to charge battery.

Silicon rectifying generator to the battery charging circuit connected or disconnected or not and the size of the charging current, by control the automatic voltage regulator.

When the silicon rectifying charging generator voltage is greater than the specified value of 28 v, at this point, the voltage regulator electricity produced by electromagnetic force is greater than the tension of the spring, the electromagnetic vibration of the double contact contactor release, under the additional resistor R1, R3 series excitation circuit, excitation current decreases, and the generator output voltage is reduced.

When the silicon rectifying generator are in a light load and high speed, the output voltage is more than specified value, voltage regulator, W3 coil current increase, enhanced suction, make contact closure, exciting winding is short circuit, the generator output voltage rapidly reduced, sharply reduce the current, voltage regulator coil suction abate.

When the suction is smaller than spring tension, on contact to open, close contact, the additional resistor R1, R3 short circuit, excitation current and increase, enable higher output voltage.

Such contact cycle with a certain frequency, adjusted the periodic vibration, make the output voltage control within the prescribed scope.

When the diesel engine after downtime, intercepting relay electric release, contactor disconnect, in order to prevent the battery charged back to the generator.
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