Ryobi RY70103 - Manual (Page 13)

13
STRING REPLACEMENT
See Figures 12, 13, 14 and 15.
1. Stop the engine, disconnect the sparking plug wire. Hold
the string head and unscrew the spool retainer. Turn
anticlockwise.
2. Remove the spool from the string head. NOTE: Keep
the spring attached to the spool. Remove any old string
remaining on the spool.
3. Cut two pieces of string, each being approximately
2.7 m (9 ft) long.
4. Insert the first string into the anchor hole 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. Place string in the slot on upper spool
flange, leaving about 152 mm (6 in) extended beyond the
slot. Do not overfill. After winding the string, there should
be at least 6 mm (1/4 in) between the wound string and
the outside edge of the spool.
5. Repeat above step with second string, using the bottom
part of spool. Do not overfill.
6. Replace the spool and the spool retainer. Refer to “Spool
Replacement“ earlier in this manual.
CLEANING THE EXHAUST PORT AND
SILENCER
Depending on the type of fuel used, the type and amount of
oil used and/or your operating conditions, the exhaust port
and silencer 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.
SPARK ARRESTER
The spark arrester must be cleaned or replaced every
25 hours or yearly to ensure proper performance of your
product. Spark arresters may be in different locations
depending on the model purchased. Please contact your
nearest service dealer for the location of the spark arrester
for your model.
Cleaning Instructions:
■ ■ ■ ■ ■ Remove the spark arrester from the silencer.
■ ■ ■ ■ ■ If your spark arrester is made of fibreglass, discard
and replace.
■ ■ ■ ■ ■ If your spark arrester is made of metal, follow these
cleaning instructions:
1. Spray the spark arrester with a quality carbon
cleaner.
2. Gently clean using a wire brush.
3. Install the new or cleaned spark arrester and reas-
semble completely before use.
MAINTENANCE
FIRST STRING
Fig. 12
SPOOL
ANCHOR
HOLE
SECOND
STRING
ARROWS ON
SPOOL
Fig. 14
Fig. 15
SLOT ARROWS ON
SPOOL
SPRING
Fig. 13
FIRST STRING
SLOT