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Performing Daily
Maintenance
Before starting the machine each day, perform the
Each Use/Daily procedures listed in
(page
32).
Breaking in a New Machine
New engines take time to develop full power. Mower
decks and drive systems have higher friction when
new, placing additional load on the engine. Allow
40 to 50 hours of break-in time for new machines to
develop full power and best performance.
Figure 8
Maintenance
Using the Safety-Interlock
System
WARNING
If the safety-interlock switches are
disconnected or damaged, the machine could
operate unexpectedly, causing personal
injury.
• Do not tamper with the interlock switches.
• Check the operation of the interlock
switches daily and replace any damaged
switches before operating the machine.
Understanding the
Safety-Interlock System
The safety-interlock system is designed to prevent the
engine from starting unless:
•
The blade-control switch (PTO) is disengaged.
•
The motion-control levers are in the N
position.
g197123
•
The parking brake is engaged.
The safety-interlock system also is designed to shut
off the engine whenever the control levers are out of
the N
-
EUTRAL
LOCK
Testing the Safety-Interlock
System
Service Interval: Before each use or daily
Test the safety-interlock system before you use the
machine each time. If the safety system does not
operate as described below, have an Authorized
Service Dealer repair the safety system immediately.
1.
Sit on the seat, engage the parking brake, and
move the blade-control switch (PTO) to the O
position. Try starting the engine; the engine
should not crank.
2.
Sit on the seat, engage the parking brake, and
move the blade-control switch (PTO) to the O
position. Move either motion-control lever (out
of the N
EUTRAL
engine; the engine should not crank. Repeat for
other control lever.
3.
Sit on the seat, engage the parking brake,
move the blade-control switch (PTO) to the O
position, and move the motion-control levers to
the N
EUTRAL
While the engine is running, release the parking
brake, engage the blade-control switch (PTO),
and rise slightly from the seat; the engine should
shut off.
15
position and you rise from the seat.
-
position). Try starting the
LOCK
-
position. Start the engine.
LOCK
-
EUTRAL
LOCK
N
FF
FF
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