108
OXE 150/200 HP SERVICE MANUAL
TIMING BELT INSPECTION
The following table describes conditions of the timing belt you may encounter
during inspection and the possible causes.
NOTE!
Failure to follow the described timing belt inspection and maintenance
may result in a broken timing belt and cause severe engine damage.
Condition
Cause
Tooth is broken and/or tooth root is
cracked
-
Camshaft jamming
-
Damaged camshaft/crankshaft oil
seal and/or coolant leak
-
Old age
-
Tensioner not functioning properly
Back surface of the belt is cracked/
worn/scratched/scored
-
Excessive cold starts
-
Tensioner jamming
-
Overheated engine
-
Interference with the belt cover
Side of belt surface is worn
-
Improper installation of the belt
-
Overload or misalignment of the
cam drive components
-
Tensioner jamming
-
Heavy thrust loading against the
idler guide flanges
-
Damaged idler guide
Teeth are worn
-
Poor belt cover sealing
-
Excessive belt tension
-
Tensioner jamming
-
Rough and/or scored cam
sprockets
Clean break across fibers
-
Kinked belt before and/or during
assembly
-
Foreign material under the belt
Oil/Coolant impregnated and/or
swollen belt
-
Poor oil sealing
-
Coolant leak at pump
-
Poor belt cover seal
CAMSHAFT TIMING BELT REPLACEMENT
Содержание 30-0100-125
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