Turning The Guide Rail; Sharpening The Saw Chain; Cleaning The Guide Rail; Checking And Cleaning The Drive Sprocket - AL-KO CSA 4020 Betriebsanleitung

Maintenance and care
7.1.2

Turning the guide rail

In order to avoid one-sided wear on the guide
rail, turn it every time the chain is changed.
7.1.3

Sharpening the saw chain

CAUTION! Risk of injury due to kickback.
Damaged or incorrectly sharpened saw chains in-
crease the danger of kickback! This can result in
injuries.
■
Clean the saw chain regularly.
■
Check the saw chain regularly for damage
and replace if necessary.
■
If you are not familiar with sharpening the
chain: Contact our relevant customer service.
Chain type File diameter
Oregon 91P040X
NOTE Only remove a little material when
sharpening! We recommend using a chain sharp-
ening tool for sharpening your saw chain.
7.1.4

Cleaning the guide rail

1. Clean the guide rail, the groove of the guide
rail and the oil outlet openings regularly.
2. Use a flat file to remove the burrs that have
built up on the guide rail due to the saw
chain.
442337_d
Top plate
angle
Rotational an-
gle of the tool
5/32" 30°
Depth gauge setting
The saw chain must be sharpened in the follow-
ing cases:
■
Only sawdust is thrown out, rather than wood
chips.
■
The polemounted pruner must has to be
forced through the wood during pruning.
For the inexperienced user: Have the saw chain
sharpened by a specialist/customer service. If
you are sharpening the saw chain yourself, heed
the following values. Accessories can be ob-
tained from specialist retailers.
Down angle Head tilt angle
(55°)
Inclination an- Side plate angle
gle of the tool
0°
7.2 Checking and cleaning the drive
sprocket
The load on the drive sprocket (05/2) is particu-
larly intense. Therefore, perform the following
tasks:
1. Check the teeth of the drive sprocket regular-
ly for wear or damage.
2. Clean the drive sprocket and guide rail at-
tachment with a brush.
Depth
gauge set-
ting
80° 0.025"
File
33