Maintenance Instructions
CLEANING
48
CAUTION
Operating the engine with a blocked air in-
take screen, dirty or plugged cooling fins,
and/or cooling shrouds removed will cause
engine damage from overheating.
Clean these areas
of dirt and debris
Clean Cooling Fins and Fan - Model MBV
Cylinder Head Cooling Fins
It is essential for performance and longevity of the
air-cooled engine to keep the cylinder head cooling
fins clean and free of obstruction. After
every 8
hours
of operation, check the performance of the
cooling system by starting the engine, holding a hand
adjacent to the cylinder head, and feeling the cooling
airflow. If there is little or no airflow, clean the cooling
fins as follows:
DANGER
Make sure to keep hands clear of exhaust
pipe, muffler, and moving parts when
checking airflow.
Check Airflow
with Hand
Cooling System Airflow
Every 100 hours,
inspect and clean the cooling fins
(more often when operating in extremely dusty, dirty
conditions). Remove the two (2) cooling fin access
panels in the engine shroud and clean the cooling
fins and external surfaces using compressed air.
Make sure to reinstall the access panels before
oper ating the engine.
Engine Cooling
Fin Access Panels
Kohler Engine
Shroud
Engine Air
Intake Screen
Engine Air Intake Screen
and Cooling Fin Access Panels
