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Derby TW20 - Starting, Stopping, and Mowing Procedures; Pushing the Rider by Hand

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MOWING
1. Engage the parking brake. Make sure the PTO
switch is disengaged and operator is seated in oper-
ator's position with feet on foot rests.
2. Start the engine (see STARTING THE ENGINE).
3. Set the throttle control to FAST.
4. Disengage parking brake.
5. Deck actuator must be fully extended (deck down) in
order for the blades to engage. This is accomplished
when a ratcheting sound is heard at the end of the
actuators stroke.
6. Engage the PTO by pulling up on the PTO switch (E,
Figure 1).
7. Begin mowing. See Section C for tips on mowing
patterns, lawn care, and trouble shooting information.
8. When finished, shut off the PTO.
9. Stop the engine (see STOPPING THE ENGINE &
MOWER).
PUSHING THE RIDER BY HAND
1. Disengage the PTO, engage the parking brake, turn
the ignition OFF and remove the key.
2. Under the left side of the engine deck, locate the
transmission release lever (Figure 3).
3. To disengage the transmission, slide the spring loop
over the lower corner of the lever as shown in the
FREE WHEEL POSITION (Figure 3).
4. Disengage the parking brake.
The tractor can now be pushed by hand.
5. After moving the tractor, re-engage the transmission
by sliding the spring loop over the upper corner of
the lever as shown in the DRIVE POSITION (Figure
3). Do not leave the spring loop on the side of the
lever. This may cause the lever to slip out of the
desired position and cause transmission damage.
9
WARNING
If you do not understand how a specific control
functions, or have not yet thoroughly read the
FEATURES & CONTROLS section, do so now.
Do NOT attempt to operate the tractor without
first becoming familiar with the location and
function of ALL controls.
STARTING THE ENGINE
1. While sitting in the operators seat with your feet
placed on the foot rests, engage the parking brake
and make sure the PTO switch is disengaged.
2.
NOTE: A warm engine may not require choking.
Set the engine throttle control (F, Figure 1) to FAST
throttle position. Then fully close the choke (G,
Figure 1) by pulling the knob OUT fully.
3. Insert the key into the ignition switch (D, Figure 1)
and turn it to START.
4. After the engine starts, gradually open the choke
(push knob down fully).
Warm up the engine by running it for at least a minute
before engaging the PTO switch or driving the rider.
5. After warming the engine, ALWAYS operate the
unit at FULL THROTTLE when mowing.
In the event of an emergency the engine can be
stopped by simply turning the ignition switch to
STOP. Use this method only in emergency situations.
For normal engine shut down follow the procedure given
in STOPPING THE RIDER.
STOPPING THE TRACTOR AND
ENGINE
1. Taking your foot off of the transmission foot control
pedal will return the transmission to neutral and stop
tractor movement.
2. Disengage the PTO by pushing down on the PTO
switch (E, Figure 1).
3. Engage the parking brake by pulling the handle (B,
Figure 1) towards the operator until it locks into posi-
tion.
4. Move the throttle control (F, Figure 1) to mid-throttle
position and turn the ignition key to OFF Remove
the key.
Operating the Three Wheel Rider
DO NOT TOW RIDER
Towing the unit will cause hydrostatic trans-
mission damage. Do not use another vehi-
cle to push or pull this unit.
Figure 3. Transmission Release Lever

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