Generalmaintenance; Guide Barand Chain - Husqvarna 23 Compact Operator's Manual

GENERAL MAINTENANCE
A good maintenance program of regular inspection
and care will increase the service life and help to
maintain the safety and performance of your saw.
. Make all adjustments or repairs (except car-
buretor a~ustments) with:
– sparkplugwiredisconnected.
– engine cool as opposed to a saw that has just
been run.
. Check the saw for loose bolts, screws, nuts,
and fittings regularly. Loose fastenerscan
causean unsafeconditionas well as damageto
yoursaw.
A WARNING
Have all chain saw service performed by a quali-
fied service dealer other than the items listed in
the maintenance section of this manual.
A. GUIDE BAR AND CHAIN
Increase the service life of your Guide Bar and
Chain by:
—
—
—
1.
Using the saw properly and as recommended in
this manual.
Maintaining correct chain tension, page 7.
Proper lubrication, page 9.
Regular maintenance as described in this section.
CHAIN MAINTENANCE
Sharpen the chain when:
wood chips are small and powdery.
Woodchipsmadeby the sawchainshould
be aboutthe sizeof the teethof the chain.
saw has to be forced through the cut.
saw cuts to one side.
~ Always wear gloveswhen handling
the chain. The chaincanbe sharpenou h to cut
!
youeventhoughit is toodullto cutwoo .
a. SHARPENING INSTRUCTIONS
Items required:
Gloves
FlatFile
5/32" (4mm)Dia.File
DepthGauge
6" FileHolder
l.) Stop Engine.
2.) Adjustthechainforproper tension.Page 7.
3.) Workatthemidpoint ofthebar,moving the
chain forwardby hand as each cutter is
filed.
4.) SharpenCutters.
a.) Position the fileholderon the topplate
of the cutter and depth gauge. Fig-
ure 28.
b.) Alignthe 30° fileholdermarkswiththe
bar and parallelto the center of the
chain. Figures29 & 31.
NOTE: If yourfileholderhasa 25° mark,disre-
gardthismarkandfileat a 30° angle.
c.) Filefrominside toward outside ofcutter,
straight acrossonforward strokein one
directiononly. Use 2 or 3 strokesper
cuttingedge. Figure30.
d.) K_;~~odlcuttersthe samelength. Fig-
e.) File enoughto removean dama e to
{f the cutting edges (side p ate an top
plate)of the cutter.Figure30.
f.) File chainto meetspecifications shown
- 16–
in Figure31.
A WARNING
Maintain the proper hook angle according to
the manufacturer s specification for the chain
you are using. Too much hook angle will in-
crease the chance of kickback which can result
in serious injury. Figures 31 & 33.
5.) Correct Depth Gauges
a.) Placedepthgaugetoolovereachcutter
de th gauge. Figure32.
f b.) Fi e depth gauge with a flat file until it is
level with the top of the depth gauge
tool.
c.) Maintain rounded front corner of depth
gauge with a flat file. Figures 32 & 33.
NQT@ Theverytop of the depth augeshouldbe
F flat with the front half rounded of with a flat file.
A WARNING
The Depth Gauge Tool is required to insure
proper depth gauge. Filing the depth gauge too
deep will increase the chance of kickback which
can result in serious injury.
b. CHAIN REPLACEMENT
1.) Use only the Low-Kickback replace-
ment chain specified for your saw in
the "Specifications" section.
2.) Replace the chain when cutters or
links break.
3.) See a qualified service dealer to re-
place and sharpen individual cutters
for matching your chain.
4.) Always have a worn sprocket replaced
by a qualified service dealer when in-
stalling anew chain to avoid excessive
wear to the chain.
File Holder
%9' >
File
/
90°
Cutter O
&\
Depth Gauge
Figure 28
Figure 29