Several months ago,car-auto-repair.com show guide on maintenance about every 500 hours and every 1000 hours for Kubota V3800 engine.So here another post focus on Kubota V3800 engine every 1500 hours maintenance.
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Procedures:
Check of Injector Tip
1.Remove the injector.
2.Make sure that there are no carbon deposits on the injector nozzle hole.
3.If there are carbon deposits on the nozzle hole, remove the deposits so the hole is not obstructed.
IMPORTANT
Do not clean the nozzle hole with a wire brush or similar tool because it will damage the hole.
NOTE
Check of EGR Cooler
(Exhaust gas passage)
1.Block the EGR cooler exhaust gas outlet (2).
2.Attach an air hose to the EGR cooler exhaust gas inlet (1) and then submerge it in a water tank.
3.Check that the coolant passage is full of water.
4.Apply the specified amount of air pressure (a) (290 kPa,3.0 kgf/cm2, 43 psi) to the air hose side, and check that there are no air leaks in any of the EGR cooler parts.
5. If there are air leaks, replace the EGR cooler.
(Coolant passage)
1.Block the EGR cooler exhaust gas inlet (1), EGR cooler exhaust gas outlet (2), and the coolant outlet (3).
2.Attach an air hose to the EGR cooler coolant inlet (4), and then submerge it in a water tank.
3.Apply the specified amount of air pressure (a) (250 kPa,2.5 kgf/cm2, 36 psi) to the air hose side, and check that there are no air leaks in any of the EGR cooler parts.
4.If there are air leaks, replace the EGR cooler.
Replacement of Oil Separator Element
CAUTION
–Be sure to stop the engine before replacement the oil separator element.
1.Remove the cover (2).
2.Remove the oil separator element (4) and O-ring (3).
3.Replace the oil separator element and O-ring with a new one.
(1) Oil Separator (2) Cover (3) O-ring (4) Element (5) Body
Check of PCV (Positive Crankcase Ventilation) Valve
1.Remove the cover (1) and element (3).
2.Press on the PCV valve and check that it moves smoothly.
3.If it does not move smoothly, replace the oil separator.
(1) Cover (2) O-ring (3) Element (4) Body
More repair topics about Kubota,pelase refer to Kubota Trouble Repair
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