Echo CS-300 - Manual (Page 7)

7
B
A
PREPARATION FOR USE
UP
The machine may be delivered with guide bar (A), tip
guard, and saw chain (B) separated. Install guide bar, tip
guard, and saw chain as follows:
WARNING DANGER
Saw Chain is sharp! Always wear gloves when
handling assembly, otherwise serious personal injury
may result.
CAUTION
1. All adjustments should be made cold.
2. Always wear gloves when working on chain.
3. Do not operate with a loose chain.
GUIDE BAR AND SAW CHAIN
• Follow the instructions enclosed with tip guard to
install guard to guide bar.
• Remove two guide bar nuts and remove sprocket
guard (D).
• Mount guide bar (A) on studs, and slide toward
sprocket to make saw chain installation easier.
• Install saw chain (B) as shown, with cutters facing
forward.
IMPORTANT
Be certain tensioner (C) fits into lower adjuster hole
before tightening guide bar nuts.
NOTE
Move chain brake lever fully rearward to install
sprocket guard to saw.
• Install sprocket guard (D), and tighten guide bar nuts
finger tight.
• Adjust saw chain tension, as instructed in “Adjust-
ment, Chain Tension.”
ADJUSTMENT, CHAIN TENSION
• Loosen two guide bar nuts.
• Turn the adjuster screw clockwise until the chain
touches the bottom of the bar.
• Hold the bar nose up and tighten the chain until there
is no clearance between the bar and chain.
• Tighten both guide bar nuts with bar nose held up, to
eliminate clearance.
• Pull the saw chain around the guide bar by hand.
Loosen the adjustment, if you feel tight spots.
• Start the engine and run at low speed. Stop and
readjust, if necessary.
A
B
D
C
D