Husqvarna Z448 Operator's Manual page 4

Operator Presence Control (OPC)
The OPC engages when the operator lifts from the
seat. The engine and the drive to the blades stop if
the blades are engaged or the parking brake is not
Operation conditions on page 9 .
applied. Refer to
Ignition key
The ignition key has 4 positions:
• Start position (A)
• Run position (B)
• Headlight position (C)
• Stop position (D)
A
B
C
D
Headlights
A
B
C
D
• Turn the ignition key to the headlight position (C)
to operate the product with the headlights on.
• Turn the ignition key to the run position (B) to
operate the product with the headlights off.
Throttle control
The throttle control adjusts the speed of the engine
and the speed of the blades if the blades are
engaged. The throttle control has 2 end positions,
idle speed and full throttle.
A A
• Idle speed (A) - decreases the engine speed.
• Full throttle (B) - increases the engine speed.
4
CAUTION:
engine at idle speed (A) for longer time
than necessary. Too much operation
time at idle speed can decrease the life
of the spark plugs.
Choke control
The choke control is used for cold starts to supply
more fuel to the engine. Pull up the choke control
when you start a cold engine.
Product overview on page 3 for the position
Refer to
of the choke control.
PTO (Power Take-Off) button
The PTO button engages and disengages the PTO
clutch and the cutting deck or other equipment
connected to it. The correct start conditions must
be obeyed to engage the drive of the blades. Refer
Operation conditions on page 9 for the correct
to
start conditions.
• Pull the PTO button out to engage the drive to
the blades or other equipment.
• Push the PTO button in to disengage the drive to
the blades or other equipment.
Fuel gauge
The fuel gauge shows the fuel level and will flash
yellow when the fuel level is approximately 1.0
gallons/3.8 l. Refer to
for the position of the fuel gauge.
B
Do not operate the
Product overview on page 3
2237 - 001 - 11.08.2023