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Checking the Operation of the
Interlock Switches
Service Interval: Before each use or daily
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.
1. Ensure that the parking brake is set and all
bystanders are away from the area of operation.
Keep hands and feet away from the cutting units.
2. With the operator off of the seat, the backlap knob
in the F position, the traction pedal in neutral, the
parking brake engaged, and the reel switch in the
Off position, the engine should start. If either
the traction pedal is pressed or the reel switch is
turned On, with the operator off of the seat, the
engine should stop. Correct the problem if it is not
operating properly.
3. With the engine running, the operator off of the
seat, and the backlap knob in the R position,
the engine should not stop when the reel switch
is turned On. Correct the problem if it is not
operating properly.
4. With the engine running, the operator off of the
seat, and the backlap knob in the R position, the
engine should stop if the traction pedal is engaged.
Correct the problem if it is not operating properly.
5. With the operator on the seat, the engine running,
and the reel switch in the On position, the dash
indicator light should be glowing and the reel motors
turning when the lift cylinder is fully retracted. As
the lift cylinder is extended, the light should go out
and the reel motors should stop turning. Correct
the problem if it is not operating properly.
6. With the operator on the seat, the engine must
not start with either the reel switch engaged or the
traction control engaged. Correct the problem if it
is not operating properly.
Towing the Traction Unit
In case of an emergency, the machine can be towed for
a short distance. However, we do not recommend this
as a standard procedure.
Important: Do not tow the machine faster than 2
to 3 MPH because the drive system may become
damaged. If the machine must be moved a
considerable distance, transport it on a truck or
trailer.
1. Locate the bypass valve on the pump (Figure 31)
and rotate it 90° (the bypass valve lever should be
horizontal when it is open).
1. Bypass valve
2. Before starting the engine, close the bypass valve
by rotating it 90° (the bypass valve lever should be
vertical when closed). Do not start the engine when
the valve is open.
Operating Characteristics
This machine produces sound levels in excess
of 85 dBA at the operators ear and can cause
hearing loss through extended periods of
exposure.
Wear hearing protection when operating this
machine.
Practice operating the machine and become thoroughly
familiar with it. Because of its hydrostatic transmission,
its characteristics differ from many turf maintenance
machines. Points to consider when operating are the
traction drive, engine speed, and load on the cutting
units. Regulate the traction pedal to keep the engine
RPM high and somewhat constant while mowing to
maintain adequate power for the traction and cutting
30
Figure 31
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