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(Figure 27). For the outside blade spindle only, refer to
Adjusting the Cutting Unit Pitch procedure in Mower
Maintenance, page 50.
Figure 27
1. Front castor arm
Matching Height Of Cut Between Cutting Units
1. Position blade side to side on outside spindle of
both wing cutting units. Measure from the floor
to the tip of the cutting edge on both units and
compare. These numbers should be within 1/8 inch
(3 mm) of each other.
2. Add or remove 1/8 inch shims as needed on wing
castor wheels. Recheck measurement between
outside edges of both wing cutting units and adjust
as necessary.
Starting and Stopping the
Engine
Important: The fuel system will automatically
bleed itself when any of the following situations
occur:
• Initial start up of a new machine.
• The engine has ceased running due to lack of fuel.
• Maintenance has been performed upon the fuel
system components.
Refer to the Bleeding Air from the Injectors procedure
in Fuel System Maintenance , page 39.
1. Ensure that the parking brake is set. Remove your
foot from the traction pedal and ensure that it is in
neutral.
2. Move the throttle control to the mid-idle position.
3. Turn the ignition key to the Run position. The glow
indicator will light.
4. When the glow indicator dims, turn the ignition key
to the Start position. Release the key immediately
when the engine starts and allow it to return to the
Run position. Allow engine to warm up at mid
speed (without load), then move the throttle control
to the desired position.
Important: Do not run the starter motor
more than 15 seconds at a time or premature
starter failure may result. If the engine fails to
start after 15 seconds, turn the key to the Off
position, recheck the controls and procedures,
wait 15 additional seconds, and repeat the
starting procedure.
When the temperature is less than 20° F (-75C),
preheat glow plugs twice prior to initial cranking
attempt. The starter motor can be run for 30
seconds on then 60 seconds off for 2 attempts.
5. To stop the engine, move the throttle control
backward to the Slow position, move the PTO lever
to the Off position, set the parking brake, and rotate
the ignition key to Off. Remove the key from the
switch to prevent accidental starting.
Important: Allow engine to idle for 5 minutes
before shutting it off after a full load operation.
Failure to do so may lead to turbo-charger trouble.
Engine Cooling Fan Operation
The engine cooling fan switch has three positions for
controlling the operation of the fan. The three positions
are R, Auto and F. The fan has the ability to reverse
to blow debris off of the rear screen. Under normal
operating conditions , the switch should be in the Auto
position. In Auto, the fan speed will be controlled by
the coolant temperature and will automatically reverse
to blow debris off of the rear screen. A reverse cycle
is automatically initiated when either the coolant or
hydraulic temperature reaches a certain point. By
pressing the fan switch forward into the R position, the
fan will complete a manually initiated reverse cycle. This
position is spring loaded meaning that the switch will
return to the Auto position after being pressed into the
R position. By pressing the switch backwards into the
F position, the reversing function of the fan is turned
off. The fan will only run in the forward direction with
its speed being controlled by the coolant temperature.
This position would be preferred when it is undesirable
to blow debris out of the back of the machine.
27
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