Maintenance
Make sure that the battery charger is not
damaged.
Examine all cables, couplings and
connections. Make sure that there is no
damage or dirt.
Clean the saw chain cover.
Do a check of the connections between
the battery and the product. Do a check of
the connection between the battery and the
battery charger.
Make sure that the pruner is not damaged.
Replace the pruner if it is damaged.
Examine the wear of the chain drive
sprocket.
To examine the cutting equipment
1. Make sure that there are no cracks in rivets and
links and that no rivets are loose. Replace if it is
necessary. (Fig. 67)
2. Make sure that the saw chain is easy to bend.
Replace the saw chain if it is rigid.
3. Compare the saw chain with a new saw chain to
examine if the rivets and links are worn.
4. Replace the saw chain when the longest part of the
cutting tooth is less than 4 mm/0.16 in. Also replace
the saw chain if there are cracks on the cutters. (Fig.
68)
To replace the guide bar and the saw
chain
1. Turn the locking knob counterclockwise and remove
the protective cover (A). (Fig. 69)
2. Remove the guide bar with the saw chain attached.
3. Remove the saw chain from the guide bar.
4. Put a new saw chain in the groove of the guide bar.
5. Install the new guide bar with the groove (B) onto the
bolt (E) and the hole (D) onto the guide bar pin (F).
6. Install the saw chain around the drive sprocket (G).
Make sure that the cutting teeth point in the direction
away from the drive sprocket (C).
7. Install the protective cover (A) and turn the locking
knob clockwise.
8. Tighten the saw chain. Refer to
of the saw chain on page 405 for instructions.
404
Daily
X
An approved Husqvarna dealer must do all servicing on the pruner.
Replace the chain drive sprocket after approximately 20 hours of
operation or more frequently if it is necessary.
To sharpen the saw chain
Information about the guide bar and saw chain
Replace a worn or damaged guide bar or saw chain with
the guide bar and saw chain combination recommended
by Husqvarna. This is necessary to keep the safety
functions of the product. Refer to
page 409 , for a list of replacement bar and chain
combinations that we recommend.
•
(Fig. 70)
•
(Fig. 71)
•
(Fig. 72)
•
(Fig. 73)
To adjust the tension
•
(Fig. 74)
•
(Fig. 75)
Weekly
X
X
WARNING:
Use protective gloves
when you use or do maintenance on the
saw chain. A saw chain that does not move
can also cause injuries.
Guide bar length, in/cm. Information about the guide
bar length and chain type can usually be found on
the rear end of the guide bar.
Chain pitch, in. The distance between the drive links
of the saw chain must align with the distance of the
teeth on the bar tip sprocket and drive sprocket.
Number of drive links. The number of drive links is
decided by the type of guide bar.
Bar groove width, in/mm. The groove width in guide
bar must be the same as the chain drive links width.
The guide bar must align with product.
Drive link width, mm/in.
1867 - 004 - 19.09.2022
Monthly
X
Accessories on