GB - 13
4. Turn the key to the ON position. Turn
ignition key to the START position and
release (988147, 148) or pull recoil
starter (988146).
Result: The engine must not start.
Test Parking Brake Switch
1. Engage parking brake.
2. Move the control levers to the neutral
position and release the left control
lever.
3. Move the parking brake lever to the OFF
position.
4. Turn the key to the ON position. Turn
ignition key to the START position and
release (988147, 148) or pull recoil
starter (988146).
Result: The engine must not start.
5. Re-engage the parking brake.
6. Start unit.
7. Engage the operator presence lever.
8. Push forward on right-side control lever.
Result: The engine should begin to stall until
control lever is released.
Using the Parking Brake
1. To lock brake, move the brake lever fully
back until it locks in place.
2. To unlock, push the lever fully forward.
Testing the Parking Brake
Stop the unit on a maximum 15° slope. Stop
the engine and engage the parking brake.
Result: Parking brake must hold the unit
stationary. If the unit moves more than 24-In
(61 cm) in one hour, brake needs to be
adjusted. See Adjusting Parking Brake on
page 31.
Starting Engine
1. Adjust the safety bar halfway back and
tighten the left side lever for moderate
mowing speed.
2. Engage parking brake.
3. Move PTO/clutch switch to OFF
position.
4. Move throttle lever to half-speed
position.
5. Adjust choke as required.
988147, 148: Turn the key to the START
position and then release the key to the
RUN position when the engine starts.
988146: Turn the key switch to the run
position. Pull recoil starter until the
engine starts
IMPORTANT: Excessive engine idling can
cause engine overheating and carbon build-
up leading to engine damage and poor
performance.
6. Let the engine run at half-speed position
for several minutes to warm up, before
operating the unit. Open choke setting
as the engine warms up.
Stopping Engine
1. Move the throttle lever to the slow idle
position, and let the engine run at that
speed for a few seconds.
2. Turn the key switch to the STOP
position.
3. Remove key.
4. Engage parking brake.
Operating the Unit
1. Adjust mower deck to desired cutting
height. See Adjusting Control Handle
Height on page 14.
2. Start and warm up engine.
3. Release parking brake.
4. Move throttle lever to fast idle.
5. Move PTO/clutch switch to ON position.
6. Move the left control lever in to engage
the operator presence safety switch.
7. Grasp safety bar.
8. Drive the unit.
NOTE: The travel speed and turn rate will
vary with the amount that the control levers
are moved.
Driving the Unit
(Figure 6)
CAUTION: Avoid injury! Engine
exhaust fumes contain carbon
monoxide and can cause serious
illness or death.
Move the vehicle to an outside area
before running the engine.
Do not run engine in an enclosed
area without adequate ventilation.
• Connect a pipe extension to
the engine exhaust pipe to
direct the exhaust fumes out
of the area.
• Allow fresh outside air into
the work area to clear the
exhaust fumes out.
CAUTION: Avoid injury! Learn the
use of the control levers. Practice at
half throttle until becoming proficient
and comfortable with the operation
of the unit.
Do not move control levers from
forward to reverse or reverse to
forward position rapidly. Sudden
direction changes could cause loss
of control or damage the unit.
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