Jacobsen SXG323, Service Manual

Page: 160 / 230

CHAPTER 4. MOWER OPERATION
13
4
Warning:
· As soon as the PTO lever is shifted to the ON
( ) Position, the mower blades start rotating
and eject cut grass or stones through the
discharge opening. Consequently, before
operating the PTO lever make sure that there
is no people, animals, or physical properties
like buildings cars, etc. within a range where
ejected grass or stones may reach.
· The mower blades should be turned only on
turf or grassland with the mower deck
lowered.
h. Turn the throttle lever to the high speed (
r
)
position to raise engine speed.
i. As the HST forward travel pedal is depressed
gradually, the lawn mower starts to travel.
Caution:
Be sure to start mowing at sufficiently low
speeds and increase traveling speed gradually.
Important:
The screens of the air-intake openings provided
under the steering wheel, the upper net provided
underside the engine hood and the radiator
screen should be kept clean. Never keep on
operating with clogged screens, or the engine
may be overheated, which may result in engine
seizure.
4. EMERGENCY STOP
· When any of the following abnormalities is
encountered, stop the lawn mower and mower
deck immediately.
- Abnormal noise
- Abnormal vibration
- Abnormal smell
- Blade hitting an obstacle
- The lawn mower hitting an obstacle
· The cause of trouble should be located and
corrected immediately. If not, consult your
dealers.
Never attempt to keep on operating the lawn
mower without locating and correcting the cause
of trouble.
· When the operator leaves the seat, the safety system
automatically stops the engine. When leaving the lawn
mower to remove obstacles such as twigs, pebbles, etc.
the PTO lever must be shifted to the OFF position and
the parking brake applied.
5. STOPPING MOWING OPERATION
a. Release the HST pedal.
b. Turn the throttle lever Fig.5-3-
䷵
to the low speed
position (
t
) to reduce engine speeds.
c. Apply the parking brakes Fig.5-4-
䷵
, or locking
brake pedal Fig.5-5-
䷵
.
d. Shift the PTO lever to the STOP ( ) position
e. Turn the key switch to the STOP (
$
) position to
stop the engine
Caution:
Park the lawn mower on level, hard ground and make
sure that the parking brakes or locking brake pedal
are applied securely.
Important:
· Never attempt to stop the engine abruptly when it is
running at high speeds.
Be sure to let the engine idle for about 5 minutes after
long operation and then stop the engine.
Abrupt engine stopping may lead to overheating
causing seizure.