Homelite HBC45SB Manuel D'utilisation page 27

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MAINTENANCE
SPOOL REPLACEMENT
NEW PRE-WOUND SPOOL (Fig. 17-18)
If replacing string only, refer to "String Replacement" later
in this manual.
Use only 1.8 mm diameter monofilament string.
Use the manufacturer's replacement string for best
performance.
Stop the engine and disconnect the sparking plug
wire. Hold the string head (12) and unscrew the spool
retainer (34). Turn counterclockwise.
Remove the empty spool (35) from the string head.
Keep the spring (36) attached to the spool.
To install the new spool, make sure the two strings
are captured in the slots (37) opposite each other on
the new spool. Make sure the ends of each string are
extended approximately 152 mm beyond each slot.
Thread the strings into the eyelets (38) in the string
head. Carefully push the spool into the string head
(gently pull the strings to the outside if necessary).
When the spool is positioned in the string head, grasp
the strings and pull sharply to release them from the
slots in the spool.
Push down and turn the spool counterclockwise
until it no longer turns. Hold the spool down and
rotate clockwise a small amount. Release the spool.
The spool should be locked down in the string head.
If not, hold down and rotate until locked.
Place the bump knob on the drive shaft.
Pull the strings again to rotate the spool into cutting
position. Push the spool retainer down while pulling
on string(s) to manually advance the string and to
check for proper assembly of the string head.
STRING REPLACEMENT (Fig. 19-21)
Stop the engine and disconnect the sparking plug
wire. Hold the string head and unscrew the spool
retainer. Turn clockwise.
Remove the spool from the string head.
Note: Keep the spring attached to the spool. Remove
any old string remaining on the spool.
Cut two pieces of string, each being approximately
2.0 m long.
Insert the first string (39) into the anchor hole (40)
in the upper part of the spool. Wind the first string
round the upper part of the spool anticlockwise,
as shown by the arrows on the spool (41). Place
string in the slot on upper spool flange, leaving about
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English
152 mm extended beyond the slot. Do not overfill.
After winding the string, there should be at least
6 mm between the wound string and the outside edge
of the spool.
Repeat above step with second string (42), using the
bottom part of spool. Do not overfill.
Replace the spool and the spool retainer. Refer to
"Spool Replacement" earlier in this manual.
BLADE PROTECTOR (Fig. 13)
Always place the blade protector (32) on the blade when
the unit is not in use. Wear gloves and be cautious when
handling the blade.
Note: Always remove the blade protector before using the
unit. If not removed, the blade protector could become a
thrown object as the blade begins to turn.
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 deposits to restore performance.
REPLACING AND CLEANING AIR FILTER
(Fig. 14)
For proper performance and long life, keep air filter clean.
Remove the air filter cover by unscrewing the screw
on the air filter cover.
Remove the holding plate in the air filter box.
■
Remove the filter (33), clean it in warm soapy water.
■
Rinse and let dry completely. For best performance,
replace annually.
Reinstall the filter.
■
Replace the holding plate.
■
Replace the air filter cover and tighten the screw.
■
FUEL CAP
The fuel cap contains a non-serviceable filter and a
check valve. A clogged fuel filter will cause poor engine
performance. If performance improves when the fuel cap
is loosened, the check valve may be faulty or the filter
clogged. Replace fuel cap if required.
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WARNING
A leaking fuel cap is a fire hazard and must be
replaced immediately.
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