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4-1 Overhauling & Troubleshooting Procedures
CHAPTER 4: OVERHAULING AND TROUBLESHOOTING
If cannot generate electricity still, please contact with dealer of our company or with our company
directly.
4-2 Questions & Answers
If you do not understand anything or have any questions, please feel free to contact your local
dealer or with our company directly. Below is a list of some information you should have ready
before contacting your local dealer or us.
1. Model of diesel engine generator and engine model number.
2. State of residency
3. Number of hours of operating equipment along with the problem that occurred.
4. A detailed condition and time when the problem occurred.
In other words, climate and atmosphere.
Causes of Malfunction
Remedy
Diesel
engine
w
on
’t start
Not enough fuel.
Add fuel.
The switch of fuel is not at “OPEN” position.
Turn the switch of fuel to “OPEN” position.
High pressure pump and nozzle do not
inject fuel or the injected amount is less.
Disassemble the nozzle and adjust it at test
table.
Speed control lever is not at “RUN” position. Turn speed control lever to “RUN” position.
Check level of lubrication oil.
The standard amount of lubricating oil should
be between high and graduation “H” and low
graduation “L”
It is not quick and powerful to pull reactive
starter.
Start diesel engine in accordance with the
requirements of “start operation procedures”.
Nozzle is dirty.
Clean the nozzle.
Accumulator has no electricity.
Charge the accumulator or change it.
Gener
a
tor
w
on
’t gener
a
te
electricity
and has
no
w
elding
voltage
Master switch (NFB) is not switched on.
Turn master witch handle to “ON” position.
Carbon brush of generator was worn. The
contact is bad.
Change the carbon brush.
The socket contact is bad.
Adjust the contact feet of socket.
The rated revolution of engine cannot be
reached.
Make it reach the rated revolution in
accordance with the requirements.
AVR automatic governor is damaged.
Change it.
The potentiometer of current regulations
for electric welding is damaged.
Change it.