Case 580ST, Руководство оператора

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8 - TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE CORRECTION
The centrifugal pump of the cooling
system is faulty. Overhaul the pump and, if necessary,
replace it.
Faulty temperature switch. Replace the temperature switch.
Radiator partially faulty. Eliminate possible scales by washing,
check and repair possible tube leaks.
Scales in coolant passage
compartments in cylinder heads
and crankcase. Carefully wash.
Centrifugal pump drive belt and fan
drive belt too slack. Check and adjust belt tension.
Coolant (insufficient quantity).
Restore the level in the expansion
tank by adding the prescribed fluid.
Incorrect timing of the engine. Check and correctly time the engine.
The engine overheats.
Restricted air filter. Clean the assembly and, if necessary,
replace the filter element.
Partially obstructed or damaged
injectors. Clean, overhaul and correctly
calibrate the injectors.
Dirt accumulations in fuel lines. Clean the lines and replace the visibly
dented pipes; if necessary, clean the
injection pump.
Incorrect timing of the injection pump
on the engine. Correctly time the injection pump on
the engine.
Drive shaft knocks caused by an
excessive clearance of one or more
crankshaft bearings or big end
bearings or excessive shoulder
clearance. Rectify the drive shaft pins, assemble
bigger shoulder bearings and rings.
Unbalanced drive shaft. Check the alignment and the balance
of the drive shaft and, if necessary,
replace it.
Loose flywheel retaining screws.
Replace the loose screws and tighten
all screws to the prescribed
angle.
Connecting rod axes not parallel. Straighten the connecting rods,
check that the axes are parallel and,
if necessary, replace the connecting
rods.
The engine has anomalous knocks.
Cylinder knocks due to anomalous
wear. Bore the cylinder barrels and
assemble bigger cylinders.
8-3