12
Before you start
Method to change shield
There are two types of shields : namely one used exclusively
for nylon line cutting head and another one used exclusively
for metal blade. When using nylon line cutting head, use the
shield for nylon line cutting head.
1. Remove bolt (M5×20) (A) on the right side of the shield and
slide the shield to the left and remove it. Put shield of another
type (B) into groove and slide it to the right until it stops and
be sure to fasten with the removed bolt (M5×20).
2. Fit cut off knife (C) to the shield for nylon line cutting head
using screw (5×12) (D).
Installing blade
1. Inspect blades (C) before installation. Check for sharpness.
Dull blades increase the risk of blade kickback reac-
tions.Small cracks can develop into fractures resulting in a
piece of blade flying off during operation. Discard cracked
blades no matter how small the crack.
2. Securely tighten the blade retainer (B), blade, lower blade
retainer (D), cup (E), and nut (F) by hand.
3. Insert locking tool (G) into a hole located on the right side of
angle transmission while forcing retainer spring to the left
side.
4. Insert locking tool further into blade retainer fixing slot (A) to
fix output shaft.
5. Tighten the nut (turn anticlockwise) using a socket wrench
(H). Never fasten while applying your weight. Otherwise the
thread of nut could be broken.
WARNING
Wear heavy duty gloves when working with the trimmer blade.
When replacing the trimmer blade during a trimming task, ensure that the engine is switched off and that the blades
have stopped.
When turning the product over to replace the trimmer blade, ensure that the fuel tank cap is securely in place.
Do not attempt to fit the trimmer blade with one hand or without using the socket spanner. Fit the trimmer blade ac-
curately using the supplied socket spanner and tighten firmly in position.
Do not use any tools other than the provided socket spanner to tighten the blade; a pneumatic or electric tool may
tighten the blade more than necessary and cause the nut or the output shaft to break.
If worn nut and cup for blade are used, there is a danger of blade getting loose. Replace them with new one.
Failure to do so could lead to an injury or serious accident, or cause a fire.
CAUTION
Fix output shaft securely using locking tool in order to
prevent it form rotating when blade is mounted. Other-
wise, the blade fastening nut will not be tightened suffi-
ciently.
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