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Engine Maintenance
Engine Safety
•
Shut off the engine before checking the oil or
adding oil to the crankcase.
•
Do not change the governor speed or overspeed
the engine.
Checking the Engine
Overheat Warning System
Service Interval: Every 500 hours
Figure 42
1. Temperature switch
1.
Turn the ignition key to the ignition on position I.
2.
Disconnect the red/blue wire terminal from the
engine temperature switch.
3.
Touch the metal terminal of this wire onto a
suitable earth point, ensuring that the metal
surfaces make good contact.
The horn will sound and the engine coolant
temperature warning light will illuminate to confirm
correct operation. If the system is malfunctioning,
make repairs before operating the mower.
Servicing the Air Cleaner
Service Interval: Before each use or daily
Every 500 hours
Servicing the Primary Air Filter
Check the air-cleaner body for damage which could
cause an air leak. Replace if damaged. Check the
whole intake system for leaks, damage or loose hose
clamps.
Service the primary air-cleaner filter only when the
service indicator
the air filter before it is necessary only increases the
chance of dirt entering the engine when the filter is
removed.
Important:
Be sure that the cover is seated
correctly and seals with the air-cleaner body.
1.
Check the filter blockage indicator. If the
indicator is red, replace the air filter
2.
Before removing the filter, use low-pressure
air (40 psi, clean and dry) to help remove
large accumulations of debris packed between
outside of the filter and the canister. Avoid
using high-pressure air, which could force
dirt through the filter into the intake tract.
Remove the cover from the air-cleaner body.
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Note:
This cleaning process prevents debris
from migrating into the intake when you remove
the filter.
1. Dust boot
2. Dust bowl
3.
Remove and replace the filter
Cleaning of the used element is not
recommended due to the possibility of damage
to the filter media.
4.
Inspect the new filter for shipping damage,
checking the sealing end of the filter and the
body. Do not use a damaged element.
38
(Figure
43) requires it. Changing
Figure 43
Figure 44
3. Air filter
(Figure
(Figure
43).
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g022394
44).
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