Husqvarna Z554L Operator's Manual page 5

19. ROPS
Roll Over Protection Structure
(ROPS)
ROPS is a protective frame that decreases the risk
of injury if the product overturns. Use the ROPS
and the safety belt when you operate the product
on slopes.
Steering controls
The direction of the product is controlled by the 2
control levers. Refer to
4 . The control levers can be moved forward and
rearward from a neutral position. Refer to
the product on page 15 .
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 10 .
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.
2176 - 001 - 13.06.2023
Product overview on page
To operate
• 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.
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 4 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 10 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.
B
Do not operate the
5