BAR MAINTENANCE
SPARK PLUG
If your saw cuts to oneside, has to beforced
throughthecut,or beenrunwithanimproper
amount of bar lubrication it may be neces-
sarytoserviceyourbar. A wornbar willdam-
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:
The spark plug should be replaced each
year to ensure the engine starts easier and
runs better.
1.
2.
3.
4.
Loosen 3 screws on cylinder cover.
Remove the cylinder cover.
Pull off the spark plug boot.
Remove spark plug from cylinder and
discard.
5.
Replace with Champion RCJ--7Y spark
plug nd tighten securely with a 3/4 inch
S Move ON/STOP switch to the STOP posi-
tion.
(19
mm) socket wrench. Spark plug gap
should be 0.025 inches (0.6 mm).
Reinstall the spark plug boot.
the cylinder cover and 3
screws. Tighten securely.
S Loosen and remove chain brake nuts and
chain brake. Remove bar and chain from
saw.
6.
7.
Reinstall
S Clean the oil holes and bar groove after
each 5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Oil Holes
S Burring of guide bar rails is a normal
process of rail wear. Remove these burrs
with a flat file.
Spark Plug Boot
STORAGE
S Whenrailtopis uneven,useaflatfiletore-
store square edges and sides.
WARNING: Stop engine and allow
to cool, and secure the unit before storing or
transporting in a vehicle. Store unit and fuel
in an area where fuel vapors cannot reach
sparks or open flames from water heaters,
electric motors or switches, furnaces, etc.
Storeunitwithallguards inplace.Positionso
that any sharp object cannot accidentally
cause injury to passersby. Store the unit out
of reach of children.
File Rail Edges
and Sides
Square
Worn Groove
Correct Groove
Replace guide bar when the groove is worn,
theguidebar is bentor cracked,or whenexce-
ss heating or burring of the rails occurs. If re-
placementis necessary,useonlytheguidebar
specified for your saw in the repair parts list or
on the decal located on the chain saw.
S
Before storing, drain all fuel from the unit.
Start engine and allow to run until it stops.
Clean the unit before storing. Pay particu-
lar attention to the air intake area, keeping
it free of debris. Use a mild detergent and
sponge to clean the plastic surfaces.
Donotstoretheunitorfuelinaclosedarea
where fuel vapors can reach sparks or an
openflamefromhotwater heaters,electric
motors or switches, furnaces, etc.
S
CHAIN SHARPENING
Chain sharpening is a complicated task that
requires special tools. We recommended
you refer chain sharpening to a professional
chain sharpener.
S
IGNITION TIMING
Ignition timing is fixed and nonadjustable.
S Store in a dry area out of the reach of chil-
dren.
CAUTION: It is important to prevent gum
deposits from forming in essential fuel sys-
tem parts such as the carburetor, fuel filter,
fuel hose, or fuel tank during storage. Alco-
hol blended fuels (called gasohol or using
ethanol or methanol) can attract moisture
which leads to fuel mixture separation and
formationofacids duringstorage. Acidic gas
can damage the engine.
14
| Categories | Chainsaw Manuals, Husqvarna Chainsaw Manuals |
|---|---|
| Tags | Husqvarna 137, Husqvarna 142 |
| Model Year | 2002, 2003, 2004, 2005 |
| Download File |
|
| Document Type | Operator's Manual |
| Language | English |
| Product Brand | Husqvarna, Chainsaw |
| Document File Type | |
| Publisher | husqvarna.com |
| Wikipedia's Page | Husqvarna |
| Copyright | Attribution Non-commercial |
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