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Figure 65
1. Feeler gauge
Figure 66
1. Feeler gauge
• If the gap is less than 0.010 inch, then reinstall
the shim and reference the Troubleshooting
section.
• If the gap is sufficient, proceed to the safety
check in step F.
F. Perform the following safety check:
a. Sit on the seat and start the engine.
b. Make sure the blades Do Not engage with the
PTO switch "off " and the clutch disengaged.
If the clutch does not disengage, reinstall the
shim and reference the Troubleshooting
section.
c. Engage and disengage the PTO switch
ten consecutive times to ensure the clutch
is functioning properly. If the clutch
does not engage properly, reference the
Troubleshooting section.
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 Engine 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 67).
4. Clean the debris and grass from the engine parts.
5. Install air intake screen, recoil starter and fan housing
(Figure 67).
1
1. Guard and engine air
intake screen
2. Fan housing
44
2
3
g017741
Figure 67
3. Engine oil cooler
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