Kohler KD 625/2 User Manual

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KD 625-2 Workshop Manual_cod. ED0053029380_1° ed_ rev. 00
2
Obstructed fuel line
Fuel lter clogged
Air or water leaks in fuel system
The tank cap vent hole is clogged
No fuel
Faulty fuel feeding pump
Extra fuel control level sticking
TROUBLE SHOOTING
FUEL
CIRCUIT
POSSIBLE CAUSE
SETTINGS REPAIRS
Inadequate per- formance
High noise level Overheats
THE ENGINE MUST BE STOPPED IMMEDIATELY WHEN:
1) - The engine rpms suddenly increase and decrease;
2) - A sudden and unusual noise is heard;
3) - The colour of the exhaust fumes suddenly darkens;
4) - The oil pressure indicator light turns on while running.
TABLE OF LIKELY ANOMALIES AND THEIR SYMPTOMS
The following table contains the possible causes of some failures which may occur during operation.
Always perform these simple checks before removing or replacing any part.
PROBLEM
Engine does not start Engine starts but stops
No acceleration
Non-uniform speed
Black smoke
White smoke
Oil preassure too low Excessive oil consumption
COOLING
CIRCUIT
Incorrect governor linkage adjustment
Governor spring broken or unhooked
Low idle speed
Rings worn or sticking
Worn cylinder
Worn main con rod-rocker arm bearings
Badly sealed intake valve
Head tightening nuts loose
Damaged cylinder head gasket
Excessive valve-rocker arm clearance
No clearance between valves and
rocker arms
Valves sticking or damaged
Defective timing system
Bent rods
Crankshaft not turning freely
Clogged air lter
Cooling circuit clogged
TECHNICAL INFORMATION

Kohler KD 625/2 Specifications

General

Brand	Kohler
Model	KD 625/2
Category	Engine
Language	English