5. Repeat above step with second line (38), using the
bottom part of spool. Do not overfill.
6. Replace the spool and the bump knob. Refer to
"Spool Replacement " earlier in this manual.
MAINTENANCE
CLEANING THE EXHAUST PORT AND MUFFLER
Depending on the type of fuel used, the type and amount of
oil used, and/or your operating conditions, the exhaust port
and muffler may become blocked with carbon deposits. If
you notice a power loss with your petrol powered tool, a
qualified service technician will need to remove these
deposit
s to restore performance.
SPARK ARRESTOR
The spark arrestor must be cleaned or replaced every 25
hour
s or yearly to ensure proper performance of your
product. Spark arrestors may be in different locations
dependin
g on the model purchased. Please contact your
nearest service dealer for the location of the spark arrestor
fo
r your model.
Cleanin
g Instructions:
Remove the spark arrestor from the muffler.
If your spark arrestor is made of a fiberglass material,
discard and replace.
If your spark arrestor is made of
a metal material follow
these cleaning instructions:
1. Spray the spark arrestor with a quality carbon
cleane
r.
2. Gently clean using a wire brush.
3. Install the new or cleaned spark arrestor and reas-
semble completely before use.
REPLACING AND CLEANING AIR FILTER (FIG. 16 & 17)
For proper performance and long life, keep air filter clean.
1. Remove the air filter cover by pushing down on the latch (39)
with your thumb while gently pulling on the cover (4
0).
2. Remove the filter (41), clean it in warm soapy water. Rinse
and let dry completely
. For best performance, replace
annuall
y.
3. Install the filter, align tabs, push in, and make sure the
The fuel cap (48) contains a non-serviceable filter and a check
valve. A clogged fuel filter will cause poor engine perfor-
mance. If performance improves when the fuel cap is
loosened, check valve may be faulty or filter clogged.
Replace fuel cap if required.
SPARK PLUG
This engine uses a Champion RCJ-6Yand NGK BPMR7A
with 0.63 mm
electrode gap. Use an exact
and replace
replacement
annually.
WARNING:
FUEL CAP
A leaking fuel cap is a fire hazard and must be
replace
d immediately.
3. Cut two pieces of string, each being approximately
2.7 m long.
4. Insert the first line (37) into the anchor hole (47) in the
upper part of the spool. Wind the first line around
the upper part of the spool counterclockwise, as
shown by the arrows on the spool (31). Place line in
the slot on upper spool flange, leaving about 152
mm extended beyond the slot. Do not overfill.
After winding the line, there should be at least 6
mm between the wound line and the
outside edge
of the spool.
latches are locked into place.
6. Make sure the bump head and the bump knob are
installed on the drive connector by turning the knob
counter-clockwise to tighten.
7. Pull the lines again to rotate the spool into cutting
position. Push the bump knob down while pulling on
line(s) to manually advance the line and to check for
proper assembly of the bump head.
3. To install the new spool, make sure the two lines are
capture
d in the slots (34) opposite each other on the new
spool. Make sure the ends of each string is extended
approximately 152 mm beyond each slot.
4. Thread the lines into the eyelets (32) in the bump head.
Carefully push the spool into the bump head (gently pull
the lines to the outside if necessary). When the spool
is positioned in the bump head, grasp the lines and
pull sharply to release them from the slots in the spool.
5. Push down and turn the spool counterclockwise until it
no longer turns. Hold the spool down and rotate clock-
wise a small amount. Release the spool. The spool
should be locked down in the bump head. If not, hold
down and rotate until locked.
LINE REPLACEMENT (FIG. 12 - 15)
1. Stop the engine, disconnect the spark plug wire.
Hold the bump head and unscrew the bump knob.
Turn clockwise.
2. Remove the spool from the bump head. NOTE:
Keep the spring attached to the spool. Remove any
old line remaining on the spool.
- 6 -
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