Hitachi Koki CS 51EA Handling Instructions Manual Download Page 2

Page: 2 / 16

English

MEANINGS

SYMBOLS

NOTE:

Some

units

not

carry

them.

Symbols

WARNING

The

following

show

symbols

used

for

the

machine.

sure

that

you

understand

their

meaning

before

use.

important

that

you

read,

fully

understand

and

observe

the

following

safety

precautions

and

warnings.

Careless

improper

use

the

unit

may

cause

serious

fatal

injury.

Emergency

stop

Read,

understand

and

all

warnings

and

instructions

this

manual

and

the

unit.

Fuel

and

oil

mixture

Always

wear

eye,

head

and

ear

protectors

when

using

this

unit.

Chain

oil

Warning,

kickback

danger.

careful

possible

sudden

and

accidental

upward

and/or

backward

motion

the

guide

bar.

Carburetor

adjustment

Idle

speed

One-handed

usage

not

permitted.

While

cutting,

hold

saw

rmly

with

both

hands

with

thumb

rmly

locked

around

front

handle.

Carburetor

adjustment

Low

speed

mixture

Chain

brake

Carburetor

adjustment

High

speed

mixture

Choke

Oil

pump

adjustment

On/Start

Priming

pump

ﬀ

/Stop

Decompression

valve

Contents

WHAT

WHAT?

.............................................................................. 3

WARNINGS

AND

SAFETY

INSTRUCTIONS

.................................. 3

SPECIFICATIONS

............................................................................ 5

ASSEMBLY

PROCEDURES

............................................................. 5

OPERATING

PROCEDURES

........................................................... 6

MAINTENANCE

.............................................................................. 10

Parts

breakdown

000Book̲CS51EA̲Eng.indb 2

2011/09/04 16:26:44

Summary of Contents for CS 51EA

Page 1: ...ly read through these HANDLING INSTRUCTIONS to ensure eﬃcient safe operation It is recommended that these INSTRUCTIONS be kept readily available as an important reference when using this machine 000Book CS51EA Eng indb 1 000Book CS51EA Eng indb 1 2011 09 04 16 26 43 2011 09 04 16 26 43 ...

Page 2: ...s when using this unit Chain oil fill Warning kickback danger Be careful of possible sudden and accidental upward and or backward motion of the guide bar Carburetor adjustment Idle speed One handed usage not permitted While cutting hold saw firmly with both hands with thumb firmly locked around front handle Carburetor adjustment Low speed mixture Chain brake Carburetor adjustment High speed mixtur...

Page 3: ...r the influence of alcohol drugs or medication Never let a child or inexperienced person operate the machine Wear hearing protection Pay attention to your surroundings Be aware of any bystanders who may be signaling a problem Remove safety equipment immediately upon shutting oﬀ engine Wear head protection Never start or run the engine inside a closed room or building Breathing exhaust fumes can ki...

Page 4: ... the engine is shut oﬀ and any cutting attachments have completely stopped before clearing debris or removing grass from the cutting attachment Always carry a first aid kit when operating any power equipment Never start or run the engine inside a closed room or building and or near the inflammable liquid Breathing exhaust fumes can kill Maintenance safety Maintain the unit machine according to rec...

Page 5: ...hain 95VPX Oregon 20BPX Oregon Max engine power by ISO 7293 kW 2 5 Max engine speed min 1 13500 Idle engine speed min 1 3000 Specific fuel consumption at maximum engine power g kWh 439 Max chain speed m sec 26 0 Sprocket number of teeth 7 NOTE Equivalent noise level vibration levels are calculated as the time weighted energy total for noise vibration levels under various working conditions with th...

Page 6: ...iner Always start by filling half the amount of gasoline which is to be used Then add the whole amount of oil Mix shake the fuel mixture Add the remaining amount of gasoline Mix shake the fuel mix thoroughly before filling the fuel tank Fueling WARNING Fig 9 Always shut oﬀ the engine before refueling Slowly open the fuel tank 15 when filling up with fuel so that possible overpressure disappears Ti...

Page 7: ... the engine keeps rotating at high speed with the brake engaged the clutch will overheat causing trouble When the brake engages during operation immediately release the throttle lever to slow down the engine How to confirm the activation of the chain brake 1 Turn oﬀ the engine 2 Holding the chain saw horizontally release your hand from the front handle hit the tip of the guide bar to a stump or a ...

Page 8: ...our servicing dealer forestry agent or local forestry schools for advice on specific woodcutting problems in your area This will make your work more eﬃcient and safer Avoid cutting in adverse weather conditions such as dense fog heavy rain bitter cold high winds etc Adverse weather is often tiring to work in and creates potentially dangerous conditions such as slippery ground High winds may force ...

Page 9: ...runk is completely cut through you lose control over the felling direction Insert a wedge or a felling lever in the cut well before the tree becomes unstable and starts to move This will prevent the guide bar from binding in the felling cut if you have misjudged the falling direction Make sure no people have come into the range of the falling tree before you push it over FELLING CUT TRUNK DIAMETER...

Page 10: ...7 Tension side 38 Pressure side 39 Relative depth of saw cuts THICK LOG LARGER THAN GUIDE BAR LENGTH Begin by cutting on the opposite side of the log Pull the saw towards you followed by previous procedure Make a boring cut if the log is close to the ground Finish with a top cut Fig 28 Fig 28 WARNING KICKBACK DANGER Do not attempt a boring cut if you are not properly trained A boring cut involves ...

Page 11: ...e replaced 40 41 Fig 31 Spark plug Fig 32 The spark plug condition is influenced by An incorrect carburetor setting Wrong fuel mixture too much oil in the gasoline A dirty air filter Hard running conditions such as cold weather These factors cause deposits on the spark plug electrodes which may result in malfunction and starting diﬃculties If the engine is low on power diﬃcult to start or runs poo...

Page 12: ...he unit with a clean rag or the use of high pressure air hose Put a few drops of two cycle engine oil into the cylinder through the spark plug hole and spin the engine over several times to distribute oil Cover the unit and store it in a dry area CHAIN SHARPENING Parts of a cutter Fig 41 42 48 47 49 50 51 52 53 54 55 Fig 41 56 57 58 59 Fig 42 WARNING Gloves should be used when sharpening chain Be ...

Page 13: ... Make sure that the chain transport guard is undamaged and that it can be securely fitted Check that nuts and screws are suﬃciently tightened Especially inspect the bolt of muﬄer and ensure that they are properly tightened before starting engine Should any of the bolts be loose retighten them immediately Failure to do so could result in serious hazard Check the tip of the guide bar Please exchange...

Page 14: ...14 000Book CS51EA Eng indb 14 000Book CS51EA Eng indb 14 2011 09 04 16 26 50 2011 09 04 16 26 50 ...

Page 15: ...PISTON 44 M 1 77 CIR CLIP 2 78 PISTON PIN COLLAR C51 2 79 ENGINE CASE B 1 80 OIL SEAL 2 81 BALL BEARING 6202C3 2 82 CRANK SHAFT 1 83 CRANK CASE PACKING C51 1 84 PISTON PIN 1 85 NEEDLE BEARING A 1 86 ENGINE CASE A 1 87 REAR DAMPER C51 1 88 BRAKE HANDLE 1 89 CAUTION LABEL 1 90 BRAKE LEVER SPRING B 1 91 CHOKE ROD RUBBER 1 92 CHOKE BUTTON 1 93 OPERATIONAL PANEL 1 94 STOP SWITCH 1 111 NAME PLATE 1 112 ...

Page 16: ...hinagawa Intercity Tower A 15 1 Konan 2 chome Minato ku Tokyo Japan 109 Code No E99245511 G Printed in China 000Book CS51EA Eng indb 16 000Book CS51EA Eng indb 16 2011 09 04 16 26 53 2011 09 04 16 26 53 ...

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