Assemble The Shaft; Attach The Auxiliary Handle; Use The Shoulder Strap; Install The Battery Pack - GreenWorks STF457 Operator's Manual

3.3

ASSEMBLE THE SHAFT

Figure 3.
1. Loosen the screw on the coupler.
2. Push in the release button on the lower shaft.
3. Align the release button with the positioning hole
and slide the two shafts.
4. Turn the lower shaft until the button locks into the
positioning hole.
NOTE
The release button must be fixed in the positioning
hole. Using the wrong hole could lead to personal
injury, or damage to the unit.
5. Tighten the screw with the hex wrench.
3.4

ATTACH THE AUXILIARY HANDLE

Figure 4.
1. Loosen the central knob.
2. Remove the cap and the lower support.
NOTE
Do not miss the spring in the support.
3. Put the auxiliary handle in the lower support.
4. Put the cap to the lower support.
5. Put the entire block in its housing on the shaft.
6. Set the auxiliary handle in the comfortable position.
7. Lock the auxiliary handle with the central knob.
3.5

USE THE SHOULDER STRAP

Figure 5.
1. Attach the carabiner to the carrying ring on the pole.
2. Put on the shoulder strap.
3. Adjust the length of the strap so that the carabiner is
about the width of a hand below your right hip.
3.6

INSTALL THE BATTERY PACK

Figure 6.
WARNING
• If the battery pack or charger is damaged, replace
the battery pack or the charger.
• Stop the machine and wait until the motor stops
before you install or remove the battery pack.
• Read, understand, and follow the instructions in
the battery and charger manual.
1. Align the lift ribs on the battery pack with the
grooves in the battery compartment.
2. Push the battery pack into the battery compartment
until the battery pack locks into place.
English
3. When you hear a click, the battery pack is installed.
3.7

REMOVE THE BATTERY PACK

Figure 6.
1. Push and hold the battery release button.
2. Remove the battery pack from the machine.
4

OPERATION

Before you operate the machine, read and understand
the safety regulations and the operation instructions.
Be careful when you operate the machine.
4.1

START THE MACHINE

Figure 7.
1. Push the lock-out button and pull the trigger.
4.2

STOP THE MACHINE

Figure 7.
1. Release the trigger to stop the machine.
4.3

OPERATION TIPS

Figure 8.
Keep clearance between the body and the machine.
Do not operate the machine without guard in place.
Follow these tips when you use the machine:
• Keep the machine connected to the correctly worn
harness.
• Keep a firm hold with two hands on the machine
while you operate the machine.
• Cut tall grass from the top down.
If grass winds around the trimmer head:
• Remove the battery pack.
• Remove the grass.
4.4

CUTTING TIPS

Figure 9.
• Tilt the machine towards the area to be cut. Use the
tip of the cutting line to cut grass.
5
IMPORTANT
WARNING
WARNING
WARNING
EN