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u Check all belts and replace if necessary.
Information
If the engine has been in storage for longer than 3 years, all belts must be replaced.
u Check all belt pulleys for rust or pitting and clean or replace if necessary.
w Engine belts and pulleys are ready for operation.
Initial run after depreservation
Information
Engine components, particularly exhaust components, should be monitored closely during
initial run after depreservation.
Smoke emissions are likely to happen, due to inhibitor remnants and mineral spirits burning off.
Once all engine fluids are checked or replaced with acceptable engine running fluids, observe
the following start-up process:
– Connect all batteries and other electric connections that were disconnected before preser‐
vation.
– Perform engine over crank procedure.
This procedure is critical as it will circulate oil throughout the engine and provide a prelubri‐
cating effect for the engine rotating components as well as pistons and overhead.
– Prime the fuel system.
– Run the engine at idle speed for 5 minutes.
– Check for leaks during operation.
– Shut down the engine.
– Check the engine for leaks in oil, fuel, and cooling systems.
– Run the engine at idle speed for 5 more minutes.
– Allow the engine to ramp up to rated speed after the idle timer finishes.
– After 15 minutes at rated speed, begin adding load to the engine.
– Add load in 20% increments until 100% load is reached. Maintain each interval for 15
minutes.
– Monitor the engine operation for issues.
KD62V12A 33521061401_1_1 EN_US
2023-10
© 2023 by Kohler Co. All rights reserved.
Transportation - Storage
Unpacking and depreservation
73
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