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Maintenance and care
4. Remove the saw chain and take out the
guide rail.
5. Clean the groove in the rail and the oil inlet
bore.
8.3
Changing over the quick-tension chain
wheel (18)
1. Removing chain bar (18/1): Remove screw
(18/2) and release the adapter sheet metal
from the chain bar with the tensioning hook
(18/3).
2. Turn the chain bar around the longitudinal ax-
is.
3. Attach the adapter sheet metal to the chain
bar with the tensioning hook again and fix in
place with the Phillips screw again.
4. Install the chain bar again, (see chapter 4.1
"Installing the chain bar (03, 04)", page 38).
8.4
Checking, turning and greasing the
chain bar (19, 20)
Checking the chain bar
Regularly check the chain bar for damage. If nec-
essary, remove protruding burrs (19/1), i.e. file off
at an angle of 45° (19/2).
Saw chain
File diameter
(chain bar)
90PX040X
(104MLEA041)
443162_a
Top plate an-
gle
Rotational an-
gle of the tool
4.5 mm
30°
Turning the chain bar
The chain bar must be turned over after each
chain sharpening and chain change in order to
avoid one-sided wear.
1. Change over the quick-tensioner on the chain
bar ( see chapter 8.3 "Changing over the
quick-tension chain wheel (18)", page 45).
2. Turn the chain bar.
Greasing the chain bar
1. Carefully clean groove in rail (19/3) and oil in-
let bores (19/4).
2. Carefully clean lubricating hole (20/1) from
both sides.
3. Use a grease gun (20/2) to pump in sufficient
grease on both sides until the grease emerg-
es evenly at the tips of the sprocket. Keep
turning the sprocket when doing this.
8.5
Chain maintenance table
WARNING! Danger of serious injury. Use
of an unapproved saw chain or guide rail on the
chain saw can result in serious injuries.
■
Use only approved saw chains and guide
rails.
Saw chain and chain bar as spare parts: see
Technical data.
Down angle
Head tilt angle
(55°)
Inclination an-
Side plate angle
gle of the tool
0°
Depth
gauge set-
ting
75°
0.025"
45
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