CONTENTS ..............................................................................................................
PACKING LIST .........................................................................................................
AUTOMATIC CHAIN BRAKE ...................................................................................
OPERATOR SAFETY ..............................................................................................
SYMBOLS AND SIGNS ...........................................................................................
DECALS ................................................................................................................... 10
EMISSION DATA ..................................................................................................... 10
DESCRIPTION OF PARTS ...................................................................................... 11
PREPARATION FOR USE ....................................................................................... 13
FUEL AND LUBRICANT .......................................................................................... 15
OPERATION ............................................................................................................ 17
CUTTING INSTRUCTIONS ...................................................................................... 20
MAINTENANCE AND CARE .................................................................................... 24
Carburetor Adjustment......................................................................................... 25
SETTING THE SAW CHAIN .................................................................................... 29
TROUBLESHOOTING ............................................................................................. 31
STORAGE AFTER USE ........................................................................................... 32
TECHNICAL DATA ................................................................................................... 33
WARRANTY STATEMENTS .................................................................................... 34
SERVICING INFORMATION .................................................................................... 36
This chain saw is designed for cutting wood or wood products. Do not cut solid metal, sheet
metal, plastic or any non-wood materials.
Specifications, descriptions and illustrative material in this literature are as accurate as known at
the time of publication, but are subject to change without notice.
Illustrations may include optional equipment and accessories, and may not include all standard
equipment.
Copyright© 2013 By Echo, Incorporated
All Rights Reserved.
CS-310
CONTENTS
2
2
3
4
4
5
6
6
8
9