Echo CS-303T Instruction Manual

16 X7503207802
© 08/2013 ECHO Inc.
DESCRIPTION CS-303T
5. Unlock the chain brake, and mount guide bar on studs (C) and
slide toward sprocket (E) to make saw chain installation easier.
Install chain with cutters on top of guide bar facing forward.
6. Install the sprocket guard over the guide bar studs. Ensure
chain tension adjuster pin (F) fits into the guide bar adjuster
hole (D). Tighten sprocket guard nuts finger tight.
7. Adjust saw chain tension, as instructed in “Adjustment, Chain
Ten si on ”.
Adjusting Chain Tension
Always loosen sprocket guard nuts before turning the chain tension
adjuster, otherwise the sprocket guard and tensioner will be
damaged.
1. Release the cylinder cover latches, and remove the cylinder
cover. Remove spark plug lead.
2. Loosen sprocket guard nuts.
3. Hold the bar nose up, and turn the adjuster screw (A) clockwise
until chain contacts underside of the bar.
4. Tighten nuts with the bar nose held up.
5. Pull the chain around the bar by hand. Loosen the adjustment if
you feel tight spots.
Tighten guide bar nuts to 20 to 23 N•m (175 to 200 in•lbf). DO
NOT over-tighten nuts. Damage to saw may result.
6. Assemble components in reverse order.
7. Keep chain properly tensioned at all times.
E
D
B
A
F
C
For more information
scan this QR code.
A

Echo CS-303T Specifications

General

Engine Displacement	30.1 cc
Fuel Capacity	0.21 US quarts
Oil Capacity	0.16 US quarts
Guide Bar Length	12 inches
Power Source	Gas
Fuel Tank Capacity	260 ml
Oil Tank Capacity	0.16 US quarts
Weight (without bar and chain)	3.9 kg
Chain Pitch	3/8 in.
Chain Gauge	0.050 in.