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JWN-SERIES RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #1 (05/12/12) — PAGE 21
IMPORTANT INFORMATION BEFORE YOU START
1. This ride-on trowel is equipped with a safety stop
switch. This switch is located beneath the seat
assembly. Remember the engine will not start unless
an operator is sitting in the operator’s seat. The weight
of an operator depresses an electrical switch which
will allow the engine to start.
2. The safety stop switch should be used to stop the
engine after every use. Doing this will verify the
switch is working properly thus providing safety for
the operator. Remember to turn the key to the “OFF”
position after stopping the machine. Not doing so will
drain the battery.
3. The right foot pedal (Figure 9) controls blade and
engine speed. The position of the foot pedal determines
the blade speed. Slow blade speed is obtained by
slightly depressing the pedal. Maximum blade speed
is obtained by fully depressing the pedal.
Figure 9. Blade Speed Control Foot Pedal
STARTING THE ENGINE
1. With one foot on the ground and the other foot placed
on the trowel's platform, grab the frame near the seat
and lift yourself onto the trowel. Sit in the operator's seat
and ensure the control handles, foot pedal and control
panel items can be comfortably accessed.
2. When starting a cold engine, pull the choke knob,
(Figure 10) out to the closed position. In warm weather
or when the engine is warm, the unit can be started
with choke halfway or completely open.
WARNING
NEVER disable or disconnect the safety stop switch. It is
provided for the operator's safety and injury or death may
result if it is disabled, disconnected or improperly maintained.
OPERATION
Figure 10. Choke Knob
3. Keep your foot OFF the blade speed control pedal and
in all circumstances, start the engine at idle (without
touching the pedal).
4. Insert the ignition key into the ignition switch.
5. Turn the ignition key (Figure 11) clockwise and listen
for the engine to start. Once the engine starts release
ignition key.
6. If the engine fails to start in this manner, consult the
engine owner's manual supplied with the trowel.
7. Test the safety stop switch by standing up briefly. The
switch under the seat should cause the engine to stop. If
the switch fails to shut down the engine, turn off the engine
with the key switch and repair the safety stop switch. See
the Troubleshooting section for possible causes.
Figure 11. Ignition Key
8. Let the engine idle for 3-5 minutes. If choke is applied,
push the choke to the open position as soon as the
engine will run smoothly.
CHOKE
KNOB
CLOSED
OPEN
IGNITION
KEY
START
OFF