Guide Bar Maintenance - Milwaukee M18 FCHS Operator's Manual

Top Plate Filing Angle
CORRECT
Top Plate Filing Angle
30°
CORRECT 30° - File holders are marked with guide
plate angle.
LESS THAN 30° - For Cross Cutting.
MORE THAN 30° - Feathered Edge Dulls Quickly.
Side Plate Angle
CORRECT
Side Plate
Filing Angle
80°
CORRECT - 80° Produced automatically if correct
HOOK - "Grabs" and dulls quickly. Increases po-
BACKWARD SLOPE - Needs too much feed pres-
sure, causes excessive wear to bar and chain.
Depth Gauge Clearance
The depth gauge should be maintained at a
clearance of 0.63mm. Use a depth gauge tool for
checking the depth gauge clearances.
clearance.
Depth Gauge Jointer
INCORRECT
Top Plate Filing Angle
Less More
than 30° than 30°
INCORRECT
Side Plate Filing Angle
Backward
Hook
Slope
Flat File
Use a flat file and a depth gauge jointer to lower all
gauges uniformly. Depth gauge jointers are available
in 0.5mm to 0.9mm. Use a 0.63mm depth gauge
jointer. After lowering each
depth gauge, restore original
shape by rounding the front.
Be careful not to damage
adjoining drive links with the
Depth gauges must be ad-
same direction the adjoin-

Guide Bar Maintenance

When the guide bar shows signs of wear, reverse it
on the saw to distribute the wear for maximum bar
life. The bar should be cleaned every day of use and
checked for wear and damage.
Feathering or burring of the bar rails is a normal
process of bar wear. Such faults should be smoothed
A bar with any of the following faults should be
replaced.
Wear inside the bar rails which permits the chain to
lay over sideways.
Bent guide bar.
Cracked or broken rails.
Spread rails.
Lubricate guide bars with a sprocket at their tip
weekly. Using a grease syringe, lubricate weekly in
the lubricating hole. Turn the guide bar and check
that the lubrication holes and chain groove are free
from impurities.
NOTE: Do not replace the screw with an ordinary
screw. Use only identical replacement parts from the
manufacturer when replacing parts.
To reduce the risk of personal in-
WARNING
jury and damage, never immerse
your tool, battery pack or charger in liquid or
Clean dust and debris from vents. Keep handles
clean, dry and free of oil or grease. Use only mild
soap and a damp cloth to clean, since certain clean-
ing agents and solvents are harmful to plastics and
other insulated parts. Some of these include gasoline,
turpentine, lacquer thinner, paint thinner, chlorinated
cleaning solvents, ammonia and household deter-
combustible solvents around tools.
For repairs, return the tool, battery pack and charger
to the nearest service centre.
14
Cleaning
Repairs
Restore
original
shape by
rounding
the front