Service and adjustments, Warning – Partner Formula 400 Chrome 2007 User Manual
Page 44
44
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Keep a clear work area. Frequently clear
branches out of the way to avoid tripping
over them.
LIMBING
S
Always limb a tree after it is cut down. Only
then can limbing be done safely and prop-
erly.
S
Leave the larger limbs underneath the
felled tree to support the tree as you work.
S
Start at base of the felled tree and work to-
ward the top, cutting branches and limbs.
Remove small limbs with one cut.
S
Keep the tree between you and the chain
as much as possible.
S
Remove larger, supporting branches with
the cutting techniques described in BUCK-
ING WITHOUT A SUPPORT.
S
Always use an overcut to cut small and
freely hanging limbs. Undercutting could
cause limbs to fall and pinch saw.
PRUNING
WARNING
: Limit pruning to limbs
shoulder height or below. Do not cut if
branches are higher than your shoulder. Get
a professional to do the job.
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Make your fist cut
1/3
of the way through
the bottom of the limb.
S
Next make a 2nd cut all the way through
the limb. Then cut a third overcut leaving
a 1 to 2 inch collar from the trunk of the tree.
First cut
Second cut
Third cut
Collar
Pruning technique
SERVICE AND ADJUSTMENTS
WARNING
: 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
Check:
Fuel mixture level
Before each use
. . . .
Bar lubrication
Before each use
. . . . . . .
Chain tension
Before each use
. . . . . . .
Chain sharpness
Before each use
. . . .
For damaged parts
Before each use
. .
For loose caps
Before each use
. . . . . .
For loose fasteners
Before each use
. . .
For loose parts
Before each use
. . . . . .
Inspect and Clean:
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 gaso-
line or other flammable solvent to avoid
creating a fire hazard or producing harmful
evaporative emissions.
Cleaning the air filter:
A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmful emissions. Always clean after every
5 hours of operation.
1. Clean the cover and the area around it to
keep dirt and sawdust from falling into
the carburetor chamber when the cover
is removed.
2. Remove the parts as illustrated below.
3. Wash the filter in soap and water. Rinse
in clean cool water. Air dry completely
before reinstalling.
4. Add a few drops of oil to the filter;
squeeze filter to distribute oil.
5. Reinstall parts.
Air Filter
Cylinder
Cover
Screws
Cylinder
Cover
BAR MAINTENANCE
If your saw cuts to one side, has to be forced
through the cut, or been run with an improper
amount of bar lubrication it may be neces-
sary to service your bar. A worn bar will dam-
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:
S
Move ON/STOP switch to the STOP posi-
tion.
S
Loosen and remove chain brake nuts and
chain brake. Remove bar and chain from
saw.
S
Clean the oil holes and bar groove after each
5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Oil Holes