Service And Adjustments; Cleaning The Air Filter; Carburetor Adjustments; Bar Maintenance - Husqvarna 136 Operator's Manual

_',WARNIN_:
Muffler is very hot dur-
ing and after use. Do not touch the muffler or
allow combustible material such as dry
grass or fuel to do so.
d}JLWARNING:
Disconnect the spark
plug before performing maintenance except
for carburetor adjustments.
We recommend all service and adjustments
not listed in this manual be performed by an
Authorized Service Dealer
MAINTENANCE SCHEDULE
Lubricate bar
sprocket hole ....... After each use
Check:
Fuel mixture level...
Bar lubrication ......
Chain tension ......
Chain sharpness ...
For damaged parts .
For loose caps .....
For loose fasteners..
For loose parts .....
Inspect and Clean:
• Before each use
• Before each use
• Before each use
• Before each use
• Before each use
• Before each use
• Before each use
• Before each use
Bar ................ Before each use
Complete saw ....... After each use
Air filter ............. Every 5 hours*
Chain brake ........ Every 5 hours*
Spark arresting screen
and muffler ......... Every 25 hours*
Replace spark plug • Yearly
Replace fuel filter. • Yearly
* Hours of Operation
AIR FILTER
CAUTION:
Do not clean filter in gasoline
or other flammable solvent to avoid creating
a fire hazard or producing harmful evapora-
tive emissions.
Cleaning the air filter:
A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmful emissions. Always clean afterevery
5 hours of operation.
• Clean the cover and the area around it to
keep dirt and sawdust from falling into the
carburetor chamber when the cover is re-
moved.
• Remove the parts as illustrated.
• Wash the filter in soap and water. Rinse
with clean cool water. Air dry completely
before reinstalling.
• Reinstall parts.
,_, Air Filter
_'_-'_Air Filter
I_V _-. Screws
CARBURETOR ADJUSTMENTS
Your carburetor is equipped with limiter
caps. Carburetor adjustment is a compli-
cated task. We recommend that you take
your unit to an Authorized Service Dealer.
Damage wil l occur if you tu rn the need les be-
yond the limiter stops.
BAR MAINTENANCE
If your saw cuts to one side, has to be forced
throughthe cut, or been run with an improper
amount of bar lubrication it may be neces-
saryto service your bar. Aworn barwilldam-
age your chain and make cutting difficult.
After each use, ensure ON/STOP switch is
in the STOP position, then clean all sawdust
from the guide bar and sprocket hole.
To maintain guide bar:
• Move ON/STOP switch to the STOP posi-
tion.
• Loosen and remove chain brake nuts and
chain brake. Remove barand chainfrom
saw.
• Clean the oil holes and bar groove after
each 5 hours of operation.
Remove Sawdust From .__
Guide Bar Groo_"__ '_
V Sprocket Hole
Oil Holes , \_
o
• Add lubricant to sprocket hole after each
use.
• Burring of guide bar rails is a normal
process of rail wear. Remove these burrs
with a flat file.
• When rail top is uneven, use a flat file to re-
store square edges and sides.
'_ ('7 _ File Rail Edges-_- r] rJ
I U I and Sides l U I
I I Square I I
Worn Groove Correct Groove
Replace guide bar when the groove is worn,
the guide bar is bent or cracked, or when
excess heating or burring of the rails occurs.
If replacement is necessary, use only the
guide bar specified for your saw in the repair
parts list or on the decal located on the chain
saw.
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