Product Manual
Table Of Contents
- Contents
- Introduction
- Safety
- Assembly
- Operation
- Maintenance
- Introduction
- Maintenance schedule
- Maintenance and checks of the safety devices on the product
- To do a check of the brake band
- To do a check of the front hand guard and the chain brake activation
- To do a check of the chain brake
- To do a check of the throttle trigger and throttle trigger lockout
- To do a check of the chain catcher
- To do a check of the right hand guard
- To do a check of the vibration damping system
- To do a check of the start/stop switch
- To do a check of the muffler
- AutoTune™
- To replace a broken or worn starter rope
- To tighten the recoil spring
- To assemble the starter housing on the product
- To clean the air filter
- To do a check of the spark plug
- To sharpen the saw chain
- To adjust the tension of the saw chain
- To do a check of the saw chain lubrication
- To do a check of the rim sprocket
- To lubricate the needle bearing
- To examine the cutting equipment
- To do a check of the guide bar
- To do maintenance on the fuel tank and the chain oil tank
- To adjust the chain oil flow
- Air cleaning system
- To clean the cooling system
- Troubleshooting
- Transportation and storage
- Technical data
- Accessories
- Warranty
complete. It is important that you hear
sounds and warning signals.
To clear the trunk and prepare your path of
retreat
Cut off all branches from your shoulder height and
down.
1.
Cut on the pull stroke from the top down. Make sure
that the tree is between you and the product.
2. Remove undergrowth from the work area around the
tree. Remove all cut off material from the work area.
3.
Do a check of the area for obstacles such as stones,
branches and holes. You must have a clear path of
retreat when the tree starts to fall. Your path of
retreat must be approximately 135 degrees away
from the felling direction.
1. The danger zone
2. The path of retreat
3. The felling direction
1
2
2
1
3
To fell a tree
Husqvarna
recommends you to make the directional
cuts and then use the safe corner method when you fell
a tree. The safe corner method helps you to make a
correct felling hinge and control the felling direction.
WARNING: Do not fell trees with a diameter
that is more than two times larger than the
guide bar length. For this, you must have
special training.
The felling hinge
The most important procedure during tree felling is to
make the correct felling hinge. With a correct felling
hinge, you control the felling direction and make sure
that the felling procedure is safe.
The thickness of the felling hinge must be equal and a
minimum of 10% of the tree diameter.
WARNING: If the felling hinge is incorrect or
too thin, you have no control of the felling
direction.
To make the directional cuts
1.
Make the directional cuts ¼ of the diameter of the
tree. Make a 45°-70° angle between the top
directional cut and bottom directional cut.
45º-70º
a) Make the top directional cut. Align the felling
direction mark (1) of the product with the felling
direction of the tree (2). Stay behind the product
and keep the tree on your left side. Cut with a
pull stroke.
b)
Make the bottom directional cut. Make sure that
the end of the bottom directional cut is at the
same point as the end of the top directional cut.
2
1
2. Make sure that the bottom directional cut is
horizontal and at a 90° angle to the felling direction.
18 544 - 004 - 07.02.2019