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Figure 43
1. Spring anchor
2. Standard setting
Checking the Tire Pressure
Check the pressure at the valve stem after every
50 operating hours or monthly, whichever occurs first
(Figure 44).
Maintain the air pressure in the rear tires at 12-14 psi
(83-97 kPa). Uneven tire pressure can cause an uneven
cut.
Note: The front tires are semi-pneumatic tires and do
not require air pressure maintenance.
Figure 44
3. Medium setting
4. Heavy duty setting
Cooling System
Maintenance
Cleaning the Air Intake Screen
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
Clean the air intake screen from grass and debris before
each use.
Check and clean cooling fins and engine shrouds every
100 hours or yearly, which ever comes first.
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, recoil starter and fan
housing (Figure 45).
4. Clean the debris and grass from the engine parts.
5. Install air intake screen, recoil starter and fan housing
(Figure 45).
1. Air intake screen
2. Fan housing
3. Recoil starter
37
Figure 45
4. Bolt
5. Nut
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