Hitachi Cs 40 ea Manuel

As current 38/43 mL chain saws do not comply with exhaust gas regulations, we are selling these products on

credit in North America and according to small-quantity production regulatory limits in Europe. Therefore, we

cannot expand the sales of such products.

nd in line with the trend toward targeting general users instead o

semiprofessionals for chain saws of the 40 mL displacement class, other companies have been releasing new

products with lower prices. To compete with this situation, we are releasing these two new models.

PRODUCT NAME

Hitachi Engine Chain Saw

Models CS 40EA (S)

CS40EA(PS)

Sawing various types of lumber.

Examples of application:

• Forestry: Lumbering, cutting off tree branches.

• Gardening: Cutting off tree branches, pruning, trimming.

• Home use: Cutting firewood, rough cutting in do-it-yourself carpentry.

• Leisure: Cutting firewood at camping sites.

• Farm: Cutting firewood, preparing lumber for cultivating mushrooms, cutting off tree branches.

• Carpentry: Rough cutting or cast-away cutting of pillars, back slitting, cutting used lumber, cutting timber.

MARKETING OBJECTIVE

APPLICATIONS

SELLING POINTS

[NEW FEATURES]

New Pure Fire Engine (CS 40EA (PS))

Largest output in its class (CS 40EA (PS))

Low vibration

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

International Sales Division

LIST No.

CS 40EA (S) /

CS 40EA (PS): E079

Aug. 2010

REMARK:

• For more information about HANDLING INSTRUCTIONS, visit our website at:

http://www.hitachi-koki.com/manual_view_export/

• Throughout this TECHNICAL DATA AND SERVICE MANUAL, a symbol(s) is(are) used in the place of

company name(s) and model name(s) of our competitor(s). The symbol(s) utilized here is(are) as follows:

Competitors

Symbols Utilized

Company Name Model Name

CECHOCS-400

D Husqvarna 440

CONTENTS

Page

SELLING POINTS ------------------------------------------------------------------------------------------------------------- 1

SPECIFICATIONS -------------------------------------------------------------------------------------------------------------- 2

1. Specifications------------------------------------------------------------------------------------------------------ 2

COMPARISON WITH SIMILAR PRODUCTS---------------------------------------------------------------------------- 3

1. Comparison of Specifications --------------------------------------------------------------------------------- 3

PRECAUTIONS ON SALES PROMOTION ------------------------------------------------------------------------------ 4

1. Safety Instructions ----------------------------------------------------------------------------------------------- 4

2. Thorough Instruction to the Customers --------------------------------------------------------------------- 5

TROUBLESHOOTING GUIDE ---------------------------------------------------------------------------------------------- 6

1. Troubleshooting and Correction ------------------------------------------------------------------------------ 6

REPAIR GUIDE------------------------------------------------------------------------------------------------------------------ 7

1. Precautions on Maintenance, Inspection and Repair --------------------------------------------------- 7

2. Inspection Standards and Spark Plug Replacement----------------------------------------------------- 7

Assembly Diagram for CS 40EA

-1-

New Pure Fire Engine (CS 40EA (PS))

Equipped with the Pure Fire Engine, a clean emission engine compliant with the second emission

regulations specified in the USA and Europe (EPA PHASE2, CARB Tier3, 2010/26/EC).

(Note that emission values differ depending on countries and regions.)

Regulation

g/kWh

CS 40EA (PS)

39.6 mL

THC+NOx

(Unburned material + nitrogen oxides) 50 50 or less

Largest output in its class (CS 40EA (PS))

Maker

Model

Item

HITACHI

CS 40EA CD

Power (kW) 1.8 1.58 1.73

Low vibration

Maker

Model

Item

HITACHI

CS 40EA CD

Front handle 3.39 4.14 3.06

Idling Rear handle 3.01 4.62 2.14

Front handle 3.32 3.49 3.10

Vibration

level

(m/s2)Racing Rear handle 2.03 7.73 6.20

SELLING POINTS

-2-

1. Specifications

Model

Item CS 40EA (S) CS 40EA (PS) Remarks

Type of engine Two-cycle, air-cooled gasoline engine -

Bore size x stroke 41.0 mm dia. x 30 mm -

Engine displacement 39.6 mL -

Max. engine speed 13,000 min-1 -

Service revolutions 7,000 to 9,000 min-1 Revolutions at

actual work

Idle engine speed 2,900 to 3,300 min-1 -

Rotating direction Clockwise When viewed from end

of the output shaft

Fuel Mixed fuel of gasoline and two-cycle oil

at 25 to 50:1 -

Fuel tank capacity 0.38 L (for 20 to 30 min. of continuous operation) -

Carburetor Diaphragm type (with Priming pump) Walbro

Ignition plug NGK BPMR7A -

Starting Recoil starter type (with S-start) -

Air cleaner Dry type -

Stopping Ground -

Muffler Silencer -

Clutch Automatic centrifugal -

Guide bar length 330 mm (13”), 380 mm (15”),

400 mm (16”), 450 mm (18”) -

Type of saw chain 95VP-56 , 95VP-64 , 95VP-66 , 95VP-72 OREGON

Saw chain Pitch: 0.325” , Gauge: 1.27 mm (0.05”) -

Sprocket Star, seven teeth -

Chain oil feeding method Automatic feed -

Chain oil fuel tank

capacity 0.24 L -

Chain oil discharge rate

8 mL/min (10,000 min-1)-

Chain oil Dedicated chain oil -

Handle Equipped with anti-vibration device Structure to hang with

three coil-springs

Anti-vibration mechanism Engine floating type -

Dry weight 4.4 kg 4.4 kg

Dimensions (L x W x H) 381 x 229 x 283 mm

Without saw chain and

guide bar

Sound pressure level LpA 103 dB (A)

compliant with ISO 22868

Sound power level Lw measured

113 dB (A)

compliant with ISO 22868

Sound power level LwA 114 dB (A)

compliant with 2000/14/EC

Front handle 2.2 m/s2

Vibration

level Rear handle 3.2 m/s2

compliant with ISO 22868

SPECIFICATIONS

-3-

1. Comparison of Specifications (Superior specifications: )

HITACHI

Maker

Model

Item CS 40EA (S) CS 40EA (PS) C D

Engine

displacement mL 39.6 40.2 40.9

Max. power output kW 1.8 1.8 1.58 1.73

Fuel tank capacity mL 380 410 370

Oil tank capacity mL 240 280 250

Guide bar length cm

(inch)

33 to 45

(13” to 18”)

40 to 45

(16” to 18”)

33 to 45

(13” to 18”)

Chain pitch inch 0.325” 0.325” 0.325”

Emission standard

50g/kWh

MAX. -EPA Phase2 EPA Phase2 EPA Phase2

Dry Weight

(without saw

chain and

guide bar)

kg 4.4 4.4 4.6 4.4

Dimensions

(L x W x H) mm 381 x 229 x 283 393 x 250 x 279 414 x 220 x 287

Idling 82.0 86.5 83.5

Full load 102.0 98.3 102.3

Noise

value Racing

dB (A)

104.8 103.4 109.6

Front

handle 3.39 4.14 3.06

Idling

Rear

handle 3.01 4.62 2.14

Front

handle 3.32 3.49 3.10

Vibration level

Racing

Rear

handle

m/s2

2.03 7.73 6.20

COMPARISON WITH SIMILAR PRODUCTS

-4-

1. Safety Instructions

In the interest of promoting the safest and most efficient use of the Models CS 40EA (S) and CS 40EA (PS)

Engine Chain Saws by all of our customers, it is very important when concluding a sale that the

salesperson carefully ensure that the buyer seriously recognizes the importance of the Handling

Instructions, and fully understands the meaning of precautions listed on the Caution Plate and Name Plate

attached to each tool.

A. Handling instructions

Although every effort is made in each step of design, manufacture, and inspection to provide protection

against safety hazards, the dangers inherent in the use of any chain saw cannot be completely eliminated.

Accordingly, the Handling Instructions lists specific precautions and suggestions on use of the chain saw to

enhance the safe and efficient use of the tool by the customer. Salespersons must be thoroughly familiar

with the Handling Instructions in order to give pertinent advice to the customer.

B. Caution plate

The Models CS 40EA (S) and CS 40EA (PS) are provided with a Warning Label (illustrated below) that lists

basic safety precautions on use. Carefully ensure that customers fully understand and follow these

precautions before using the tool.

[For Asia]

[For the USA]

[For Europe]

PRECAUTIONS ON SALES PROMOTION

-5-

[For Russia]

[For Australia]

C. Meaning of symbols

Read and understand the meaning of each symbol described in the Handling Instructions, and properly

instruct the users.

2. Thorough Instruction to the Customers

A. Starting and stopping procedures

Thoroughly instruct customers about the difference between the cold starting procedure and the hot

restarting procedure, and also the importance of starting with the throttle trigger positioned at the fast-idle

start position.

B. Fuel safety

An engine based on a two-cycle design powers the Models CS 40EA (S) and CS 40EA (PS). Instruct the

customers to use a mixture of gasoline and two-cycle oil at a ratio of 25 to 50:1 as fuel.

Instruct the customers to use a container intended for mixing gasoline and oil. The use of such resin

containers as poly tanks and PET bottles could cause failure by possibly melting into the mixture.

Fuel stored for a long time becomes degraded and deteriorated. Improper capping can also degrade fuel in

a single day, especially in summer. Instruct the customers not to store mixed fuel, but to only prepare the

required amount of mixture as needed.

C. Storage

Instruct customers to empty the fuel tank and perform idling until the engine stops, in order to burn up any

residual fuel in the carburetor before long term storage of the Models CS 40EA (S) and CS 40EA (PS). Should

any fuel remain in the carburetor, only the gasoline mixed in the fuel volatilizes during the storage period,

thereby clogging the fuel line with two-cycle oil. Consequently, the engine cannot be started the next time.

D. Chain oil

Instruct customers to use chain oil. Specially instruct them to use commercially available SAE20 or SAE30

engine oil.

Remind customers to always replenish the chain oil when replenishing the fuel.

E. Adjusting saw chain tension

Low tension of saw may damage the blades or guide bar, and even result in blades being detached under

extremely low tension. A new saw chain tends to quickly elongate; therefore, advise customers to

frequently adjust saw chain tension.

-6-

1. Troubleshooting and Correction

Situation Cause Measure

Starter handle

cannot be pulled.

The crankshaft does

not rotate.

Seizure of the piston ring

Seizure of the connecting

rod bearing

Disassembly and parts

replacement

No fuel in the tank Replenishment

Clogged fuel filter Cleaning or replacement

Faulty vent hole (check

valve) on the tank Replacement

Dirt clogging the carburetor Cleaning

The plug does not

become wet with fuel

after repeated

starting operation.

Poor throttling Appropriate starting method

Dirty or faulty plug Cleaning or replacement

Improperly connected plug

cap Inspection and replacement

Disconnected or improperly

connected high voltage cord Repair or replacement

Ground connection of the

high voltage cord Repair

No spark

Disconnected or faulty

ignition coil Replacement

Short-circuited due to foreign matter between

the plug electrodes.

Removal of foreign matter: In

case of frequent occurrence,

disassemble and clean the

engine.

Faulty piston ring

Worn piston

Startup is

impossible.

No compression

Expired service life of the oil

seal

Parts replacement

Dirty or faulty plug Cleaning or replacement

Weak spark Improper air gap Adjustment

Worn piston ring Replacement

Low compression Expired service life of the oil

seal Replacement

Idling stops

although startup is

possible.

Good spark and

compression Revolutions too low for idling Adjustment

The engine stalls. Clogged fuel filter Cleaning or replacement

Muffler clogged with carbon

Clogged air cleaner Cleaning

Starts, but when

accelerating …

Poor acceleration;

no increase in

revolutions The chain brake is on. Release

Fluctuating

revolutions at high

speed

Dirt clogging the high-speed

fuel line Cleaning

Starts, but …

Excessive fuel

consumption Clogged air cleaner Cleaning

No oil in the tank Replenishment

Clogged oil filler port

Clogged oil filler port on the

guide bar

Chain oil is not discharged.

Clogged oil filter

Cleaning

TROUBLESHOOTING GUIDE

-7-

This section describes repair, focusing on portions requiring frequent repair. Refer to TROUBLE

SHOOTING GUIDE in the previous section as the context for the following descriptions.

1. Precautions on Maintenance, Inspection and Repair

• The fuel used readily ignites; therefore, never bring the product near a flame.

• Use new gaskets at reassembly.

•Prior to disassembly for repair, remove the fuel and chain oil into separate containers, and allow the

engine to cool down.

•During repair, startup or running, use adequate care for portions posing the risk of burn injury or electric

shock, such as hot areas including the muffler, high voltage cord and spark plug.

•Before running the product with the chain bar and chain blades attached, make sure that there are no

other people nearby.

•Ensure proper ventilation when performing repair in a small room or other poorly ventilated space.

•After completing repair, always return the throttle lever to the idling position and set the stop switch to the

engine stop position.

2. Inspection Standards and Spark Plug Replacement

Model

Item

CS 40EA (S)

CS 40EA (PS)

Idling revolutions min-1

(rev./min) 2,900 to 3,300

No-load maximum revolutions

(with guide bar and chain blades)

min-1

(rev./min) 13,000

Clutch engagement min-1

(rev./min) 3,900 to 4,700

Accelerating performance - Smooth acceleration

Gap between magneto rotor

and ignition coil mm 0.3 to 0.4

Spark plug - NGK BPMR7A

Gap between spark plug

electrodes mm 0.6 to 0.7

Height of carburetor metering lever - Position 1.65 mm lower than

carburetor body surface

Chain blade type - OREGON 95VP

Chain blade pitch x gauge inch 0.325 x 0.050

No. of chain blade drive links - 56 (13”) , 64 (15”) , 66 (16”) , 72 (18”)

REPAIR AND MAINTENANCE GUIDE

REPAIR GUIDE

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