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Cooling System
Maintenance
Cleaning the Air Intake Screen
Service Interval: Before each use or daily
Before each use remove any build-up of grass, dirt
or other debris from the cylinder and cylinder head
cooling fins, air intake screen on flywheel end, and
carburetor-governor levers and linkage. This will help
insure adequate cooling and correct engine speed and
will reduce the possibility of overheating and mechanical
damage to the engine.
Cleaning the Cooling System
Service Interval: Every 100 hours—Check and clean
engine cooling fins and shrouds.
1. Disengage the PTO and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Remove the air intake screen and fan housing
(Figure 61).
4. Clean the debris and grass from the engine parts.
5. Install air intake screen, recoil starter and fan housing
(Figure 61).
1. Guard
2. Engine air intake screen
3. Bolt
44
Figure 61
4. Fan housing
5. Screw
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