JCB loadall still overheating! Help

Northeastfarmer

Northeastfarmer

Member
Location
Cleveland
ACEngineering said:
Make sure your running with a thermostat.

Check fan blades and fan speed buy a device to measure speed if you have too. And check airflow. Using hot air off engine to cool a rad is a stupid set up but some machines do that and probably was an option on jcb as there so crap anyway blowing air out on the ground kicking up dust everywhere they go. Been alot of variations to the jcbs Regards radiator air flow over the yesrs.

Double check with seperate gauge exact temp.

Then you need to check fueling as there's nothing else left at this point given what you done already.

Get injector pump overhauled, retime engine properly from scratch. And replace injectors.
Oh if older 1004 series perkins replace cold start plug as can dribble fuel in all the time. If its 1100 series engine then will have glow plugs so not going to be a problem.

Replacing engine with a short motor isn't going to fix the overheating problem as all your replacing is block, pistons crank shaft etc. Although it would get a new headgasket and retimed along the way.
Click to expand...
It’s had a new thermostat and cylinder head gasket…..I’ll get the injectors overhauled
 
A

Abacus

Member
Mixed Farmer
Location
South east
Have you replace all the road houses. when you did the head gasket did you torque the bolts down right, from memory it 80 footponds + 1/2 or 3/4 of a turn for a Perkins
 
J 1177

J 1177

Member
Mixed Farmer
Location
Durham, UK
We had an old db that i always thought the block was slightly warped (dad cooked it on the subsoiler) had the head skimmed yet it wouldnt stay cool and ate head gaskets. In the end i put the last gasket down with hylomar gasket sealant Did another 6000 hrs after that no bother.
Just another idea.
 
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