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 100 hours
1.
Prepare the machine for maintenance; refer to
Preparing the Machine for Maintenance (page
35)
.
2.
Unlatch and open the hood.
3.
Turn the ignition key to the ignition R
UN
position.
Note:
Do not start the engine.
4.
At the left side of the engine, disconnect
the red/blue wire terminal from the engine
temperature switch (
g348369
g014437
Figure 60
1.
Temperature switch
5.
Touch the metal terminal of this wire onto a
suitable earth point, ensuring that the metal
surfaces make good contact.
Note:
The horn sounds and the engine coolant
temperature warning light illuminates to confirm
operation.
Important:
If the system is malfunctioning,
make repairs before operating the mower.
6.
Turn the ignition key to the ignition S
TOP
position, and remove the key.
7.
Close and latch the hood.
Checking the Air
Filter-Blockage Indicator
Service Interval:
Before each use or daily
1.
Prepare the machine for maintenance; refer to
Preparing the Machine for Maintenance (page
35)
.
2.
Unlatch and open the hood.
3.
Check the air filter-blockage indicator (
Important:
If the indicator is red, inspect the
primary air filter and replace it if it is dirty or
damaged; refer to
.
g348379
Figure 61
1.
Filter-blockage indicator
4.
If the filter-blockage indicator is not red, close
the hood.
5.
Close and latch the hood.
39