JCB 4cx with perkins engine runs on after turn off,have replaced solenoid,still runs on. Remove engine cutout fuse and it stops.

We are Perkins diesel generator OEM and can provide 22KW to 1800KW Perkins diesel generator including open type,silent type and container type genset. Each genset has its user's manual.

Normal starting procedure of Perkins Generator set

1. As far as possible do not start the generator set under load conditions.

2. Transfer the key switch to the starting (STAR) position. The engine should start immediately.

3. After the engine starts, return the key switch to the running (RUN) position. If the engine has not started after 10 seconds, turn the key switch back into operation and (RUN) for 10 seconds. Then repeat steps 2 and 3. If the engine is still unable to start after three attempts, please find out why.

4. After engine starts, follow steps 4.a and 4.b.

A. Check the oil pressure.
B. Check the machine for leaks.
C. Make sure the battery is charged.
D. After running the engine for five minutes, check the generator monitoring system. Make sure the engine works properly before loading.

Note: do not use ether-like spray starting aids in cold weather. Otherwise, it could lead to explosion and personal injury.

The use of water jacket heaters or extra battery capacity improves the machine's start-ability below 10 ?.

Methods for checking and cleaning the core of the rear cooler of Perkins generator set

Check for damage, corrosion, dirt, grease, insect stains, leaves, oil and other debris on the cooler. Clean the cooler if necessary.

https://www.dieselgeneratortech.com/generator-sets/Instruction-for-Perkins-Generator-Set-Maintenance.html

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[PDF]Perkins 4-154 Shop Manual

www.kp44.org/ftp/Perkins_4-154_Shop_Manual.pdf
88 Perkins. Engines workshop manual. 4.154. PRINTED lN U.S.A. .... removal, dismantling, assembly or refitting of a part is straightforward ... The ENGINE NUMBER is located on the cylinder ... starter motor, air cleaner, but without clutch. lb kg.

Reliability built into starter motors - Perkins Engines

www.perkins.com/en_GB/.../starter-motors.html

Perkins EnginesYou can rest assured that your genuine replacement starter motor will work ... 4 Cylinder · 6 Cylinder ... You can learn more about these cookies and general information about how to change your cookie settings by visiting our Privacy and Cookies page. ... This need for dependability is why we test each of our starter motors.

my name is christian i m a gen technican based in abuja . pls i need some soft ware to repaire gen

Hello. Maybe you have solved your problems. But I still want to share the helpful article to you. https://www.dieselgeneratortech.com/diesel-generators/why-diesel-generator-fail-to-start.html

We are Perkins diesel generator OEM. Can provide 22KW to 2200KW diesel generator set with Perkins engine. https://www.dieselgeneratortech.com/perkins

We can provide 275kva Perkins diesel generator with air filter,fuel filter and oil filter, muffler, battery, circuit breaker, ATS, daily fuel tank enough to run 8 hours. And all the spare parts of Perkins engine. CE/ISO approval.


https://www.dieselgeneratortech.com/perkins

Ensure any engine control switch is set to the run position, with the load disengaged. Manually set the air shut off valve (if fitted) to the run position (see Fig. 18), Turn the key switch to the start position, which will energize the solenoid allowing the engine to crank over for a few seconds then start.

Check the instrument panel is showing normal running oil pressure, and the ammeter for charge to the engine batteries.
Allow the engine to run for five minutes checking the instruments are reading correctly. Stop the engine and check the oil and coolant levels, replenish if necessary.


https://www.dieselgeneratortech.com/generator-sets/normal-starting-procedure-of-Perkins-generator-set.html

Hello. Maybe you have solved your problems. But I still want to share the helpful article to you. https://www.dieselgeneratortech.com/diesel-generators/why-diesel-generator-fail-to-start.html

We are Perkins diesel generator OEM. Can provide 22KW to 2200KW diesel generator set with Perkins engine. https://www.dieselgeneratortech.com/perkins

We are Perkins diesel generator OEM and can provide 22KW to 1800KW Perkins diesel generator including open type,silent type and container type genset. Each genset has its user's manual.
https://www.dieselgeneratortech.com/diesel-engines/Perkins-engines-fuel-filter-elements-and-air-filter.html

Pump

Start looking at your safety circuits.

1. High water temp
2. Low Oil
3. Low water etc...

From the manual these are the protection circuits.

• Engine protection: low oil pressure, high engine temperature.
• Genset protection: under/over voltage, overload, battery charger failure, battery voltage out of limits,
under/over frequency, start failure.
• Circuit breaker protection: IV poles.
• Differential protection.


Any one of them will trip the fuel relay closed. What you may be able to do is disconnect one at a time each protection circuit and see when the fuel relay opens. (Make sure to reconnect each one if it had no effect on the fuel solenoid)

Once you isolate which circuit it is in then you can chase wires or change the bad switch.

Thanks for choosing FixYa.

Kelly