bh 22 bh 23 - wacker ?· operator´s manual petrol-breaker bh 22 bh 23 0109963en 003 03.2007....

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www.wackergroup.com

Operators Manual

Petrol-breaker

BH 22BH 23

0109963en 003

03.2007

Table of contents

3

1. Foreword 11

2. Safety instructions 12

2.1 General ................................................................................................122.2 Operation .............................................................................................122.3 Safety checks ......................................................................................142.4 Maintenance ........................................................................................142.5 Transport .............................................................................................152.6 Maintenance checks ............................................................................15

3. Technical Data 16

4. Description 18

4.1 Applications .........................................................................................184.2 Description of function .........................................................................18

5. Transport to work site 19

6. Operation 20

6.1 Starting procedure ...............................................................................206.2 Engine .................................................................................................206.3 During operation ..................................................................................216.4 After operation .....................................................................................216.5 Notes for correct working procedure ...................................................22

7. Maintenance 23

7.1 Maintenance schedule ........................................................................237.2 Engine .................................................................................................237.3 Percussion system, crankcase ............................................................247.4 Assembly instructions ..........................................................................257.5 Assembly .............................................................................................26

8. Electric wirning diagramm for tools with remote cut-off 27

9. Labels 28

EC - Confornity Certificate 29

DIN EN ISO 9001 Certificate 31

T00940GB.fm 4

Important information

This machine has been provided with an EPA-certified engine.

Additional information can be found in the enginemanufacturers notes.

Engine exhaust, some of its constitvents, and certain vehicle components contain or emit chemicals known to the State of

California to cause cancer and birth defects or other reproduc-tive harm.

WARNING

Caution

This engine is an EPA engine.Adjusting the engine speed will interfere with EPA certification and

the emissions.

Only authorized personnel can make adjustments to this engine.Please contact you nearest engine dealer or your Wacker Dealer for more

information.

T00953GB.fm 5

Emission Control System Information

Source of EmissionsThe combustion process produces carbon monoxide, oxides ofnitrogen, and hydrocarbons. Control of hydrocarbons and oxides ofnitrogen is very important because, under certain conditions, theyreact to form photochemical smog when subjected to sunlight. Carbonmonoxide does not react in the same way, but it is toxic.

Wacker utilizes lean carburetor settings and other systems to reducethe emissions of carbon monoxide, oxides of nitrogen, andhydrocarbons.

The U.S. and California Clean Air ActsEPA and California regulations require all manufacturers to furnishwritten instructions describing the operation and maintenance ofemission control systems.

The following instructions and procedures must be followed in order tokeep the emissions from your Wacker engine within the emissionsstandards.

Tampering and AlteringTampering with or altering the emission control system may increaseemissions beyond the legal limit. Among those acts that constitutetampering are:

Removal or alteration of any part of the intake, fuel, or exhaustsystems.

Altering or defeating the speed-adjusting mechanism to cause theengine to operate outside its design parameters.

Problems That May Affect EmissionsIf you are aware of any of the following symptoms, have your engineinspected and repaired by your servicing dealer.

Hard starting or stalling after starting.

Rough idle.

Misfiring or backfiring under load.

Afterburning (backfiring).

Black exhaust smoke or high fuel consumption.

T00953GB.fm 6

Replacement Parts

The emission control systems on your Wacker engine were designed,built, and certified to conform with EPA and California emissionsregulations. We recommend the use of genuine Wacker partswhenever you have maintenance done. These original-designreplacement parts are manufactured to the same standards as theoriginal parts, so you can be confident of their performance. The useof replacement parts that are not of the original design and quality mayimpair the effectiveness of your emission control system.

A manufacturer of an aftermarket part assumes the responsibility thatthe part will not adversely affect emission performance. Themanufacturer or rebuilder of the part must certify that use of the partwill not result in a failure of the engine to comply with emissionregulations.

Maintenance

Follow the maintenance schedule. Remember that this schedule isbased on the assumption that your machine will be used for itsdesigned purpose. Sustained high-load or high-temperature operation,or use in unusually wet or dusty conditions, will require more frequentservice.

OXYGENATED FUELS

Some conventional gasolines are being blended with alcohol or anether compound. These gasolines are collectively referred to asoxygenated fuels. To meet clean air standards, some areas of theUnited States and Canada use oxygenated fuels to help reduceemissions.

If you use an oxygenated fuel, be sure it is unleaded and meets theminimum octane rating requirement.

Before using an oxygenated fuel, try to confirm the fuels contents.Some States / Provinces require this information to be posted on thepump.

The following are EPA-approved percentages of oxygenates:

ETHANOL - (ethyl or grain alcohol) 10% by volume. You may usegasoline containing up to 10% ethanol by volume. Gasoline containingethanol may be marketed under the name Gasohol.

MTBE - (methyl tertiary butyl ether) 15% by volume. You may usegasoline containing up to 15% MTBE by volume.

T00953GB.fm 7

METHANOL - (methyl or wood alcohol) 5% by volume. You may usegasoline containing up to 5% methanol by volume, as long as itcontains cosolvents and corrosion inhibitors to protect the fuel system.Gasoline containing more than 5% methanol by volume may causestarting and/or performance problems. It may also damage metal,rubber, and plastic parts of your fuel system.

If you notice any undesirable operating symptoms, try another servicestation, or switch to another brand of gasoline.

Fuel system damage or performance problems resulting from the useof an oxygenated fuel containing more than the percentages ofoxygenates mentioned above are not covered under warranty.

Emission Control System Warranty

Your new Wacker engine complies with the U.S. EPA emissionsregulations. Wacker provides the same emission warranty coveragefor engines sold in all 50 states.

YOUR WARRANTY RIGHTS AND OBLIGATIONS

All States

Wacker must warrant the emission control system on your engine forthe period of time listed below provided there has been no abuse,neglect or improper maintenance of your engine. Where a warrantablecondition exists, Wacker will repair your engine at no cost to youincluding diagnosis, parts and labor.

Your emission control system may include such parts as thecarburetor, the ignition system and the catalytic converter.

Also included may be hoses, connectors and other emission-relatedassemblies.

MANUFACTURERS WARRANTY COVERAGE:

The 1998 and later engines are warranted for two years. If anyemission-related part on your engine is defective, the part will berepaired or replaced by Wacker.

T00953GB.fm 8

OWNERS WARRANTY RESPONSIBILITY:

As the engine owner, you are responsible for the performance of therequired maintenance listed in your owners manual. Wackerrecommends that you retain all receipts covering maintenance on yourengine, but Wacker cannot deny warranty coverage solely for the lackof receipts or for your failure to ensure the performance of allscheduled maintenance.

As the engine owner, you should be aware that Wacker may deny youwarranty coverage if your engine or a part has failed due to abuse,neglect, improper maintenance or unapproved modifications.

You are responsible for presenting your engine to a Wacker dealer assoon as a problem exists. The warranty repairs should be completedin a reasonable amount of time, not to exceed 30 days.

If you have any questions regarding your warranty rights andresponsibilities, you should contact your local Wacker dealer.

WARRANTY COVERAGE:

Wacker engines sold after January 1, 1998, are covered by thisEmission Control System Warranty for a period of two years from thedate of delivery to the original retail purchaser. This warranty istransferable to each subsequent purchaser for the duration of thewarranty period.

Warranty repairs will be made without charge for diagnosis, parts orlabor. All defective parts repla