Maintenance 5
1000-hour maintenance / Annual mai
ntenance
1000-hour maintenance / Annual maintenance
Other tasks
– Perform all maintenance work; see the
"Maintenance" chapter.
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1
Checking theribbed V-belt
NOTE
If damage is identified, the ribbed V-belt must
be replaced to prevent failure or functional
problems.
– Crank the engine by hand while checking
the ribbed V-belt (1) for the following:
• Substructure cracks (initial cracks, core
breaks, crosswise cracks)
• Layer separation (top layer, tension mem-
bers)
• Blowout of the substructure
• Fraying of the tension members
• Edge wear (material removal, frayed edges,
edge hardening, surface cracks)
Checking the exhaust gas system
– Inspect the exhaust gas system for external
damage, secure fit, and leaks.
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