Hitachi CS 51EAP User Manual

3

NOTE: Some units do not carry them.

The following show symbols used for the machine. Be sure that you understand their meaning 

before use.
It is important that you read, fully 

understand and observe the following 

safety precautions and warnings. 

Careless or improper use of the unit may 

cause serious or fatal injury.

Fuel and oil mixture

Read, understand and follow all warnings 

and instructions in this manual and on the 

unit.

Chain oil fi ll

Always wear eye, head and ear protectors 

when using this unit.

Carburetor adjustment - Idle speed

Warning, kickback danger. Be careful of 

possible sudden and accidental upward 

and/or backward motion of the guide bar.

Carburetor adjustment - Low speed 

mixture

One-handed usage not permitted. While 

cutting, hold saw fi rmly with both hands 

with thumb fi rmly locked around front 

handle.

Carburetor adjustment - High speed 

mixture

Chain brake

Oil pump adjustment

Choke 

Priming pump

On/Start

Computed kickback angle (CKA) without 

a chain brake

Off /Stop

Decompression valve

Emergency stop

WHAT IS WHAT?...................................................4

WARNINGS AND SAFETY INSTRUCTIONS .......5

SPECIFICATIONS .................................................7

ASSEMBLY PROCEDURES .................................8

OPERATING PROCEDURES ...............................9

MAINTENANCE .................................................. 15

Parts breakdown

000Book_CS51EAP_US.indb   3

000Book_CS51EAP_US.indb   3

2012/03/19   16:33:39

2012/03/19   16:33:39