Wacker Neuson BS 50-2 User manual

www.wackergroup.com
Rammer
BS 50-2
OPERATOR’S MANUAL
0158433en 003
1106
0158433EN

BS 50-2 Table of Contents
wc_bo0158433en_003TOC.fm 1
1. Foreword 3
2. Emission Control System Information 4
3. Safety Information 10
3.1 Operating Safety ................................................................................ 11
3.2 Operator Safety while using Internal Combustion Engines ................ 12
3.3 Service Safety .................................................................................... 13
3.4 Label Locations .................................................................................. 14
3.5 Safety Labels ...................................................................................... 15
3.6 Operating Labels ................................................................................ 18
4. Technical Data 20
4.1 Rammer .............................................................................................. 20
4.2 Sound Measurements ........................................................................ 21
4.3 Vibration Measurements .................................................................... 21
4.4 Dimensions ......................................................................................... 21
5. Operation 22
5.1 Application .......................................................................................... 22
5.2 Recommended Fuel ........................................................................... 22
5.3 Before Starting ................................................................................... 22
5.4 To Start ............................................................................................... 23
5.5 To Stop ............................................................................................... 24
5.6 Proper Operation ................................................................................ 24
5.7 Proper Compaction ............................................................................ 25

Table of Contents BS 50-2
wc_bo0158433en_003TOC.fm 2
6. Maintenance 26
6.1 Periodic Maintenance Schedule ..........................................................26
6.2 Servicing Air Cleaner ...........................................................................27
6.3 Lubrication ...........................................................................................28
6.4 Fuel Lines ............................................................................................29
6.5 Shoe Hardware ...................................................................................30
6.6 Carburetor Adjustments ......................................................................30
6.7 Long-Term Storage .............................................................................31
6.8 Transportation .....................................................................................31
6.9 Troubleshooting ...................................................................................32

wc_tx000001gb.fm 3
CALIFORNIA
Proposition 65 Warning:
Engine exhaust, some of its constituents, and certain vehicle
components, contain or emit chemicals known to the State of
California to cause cancer and birth defects or other reproductive
harm.
1. Foreword
This manual provides information and procedures to safely operate
and maintain this Wacker model. For your own safety and protection
from injury, carefully read, understand and observe the safety
instructions described in this manual.
Keep this manual or a copy of it with the machine. If you lose this
manual or need an additional copy, please contact Wacker
Corporation. This machine is built with user safety in mind; however,
it can present hazards if improperly operated and serviced. Follow
operating instructions carefully! If you have questions about operating
or servicing this equipment, please contact Wacker Corporation.
The information contained in this manual was based on machines in
production at the time of publication. Wacker Corporation reserves the
right to change any portion of this information without notice.
All rights, especially copying and distribution rights, are reserved.
Copyright 2006 by Wacker Corporation.
No part of this publication may be reproduced in any form or by any
means, electronic or mechanical, including photocopying, without
express written permission from Wacker Corporation.
Any type of reproduction or distribution not authorized by Wacker
Corporation represents an infringement of valid copyrights and will be
prosecuted. We expressly reserve the right to make technical
modifications, even without due notice, which aim at improving our
machines or their safety standards.
WARNING

Emission Control System Information
wc_tx000030gb.fm 4
2. Emission Control System Information
Source of Emissions
The combustion process produces carbon monoxide, oxides of
nitrogen, and hydrocarbons. Control of hydrocarbons and oxides of
nitrogen is very important because, under certain conditions, they
react to form photochemical smog when subjected to sunlight. Carbon
monoxide does not react in the same way, but it is toxic.
Wacker utilizes lean carburetor settings and other systems to reduce
the emissions of carbon monoxide, oxides of nitrogen, and
hydrocarbons.
The U.S. and California Clean Air Acts
EPA and California regulations require all manufacturers to furnish
written instructions describing the operation and maintenance of
emission control systems.
The following instructions and procedures must be followed in order to
keep the emissions from your Wacker engine within the emissions
standards.
Tampering and Altering
Tampering with or altering the emission control system may increase
emissions beyond the legal limit. Among those acts that constitute
tampering are:
•Removal or alteration of any part of the intake, fuel, or exhaust
systems.
•Altering or defeating the speed-adjusting mechanism to cause the
engine to operate outside its design parameters.
Problems That May Affect Emissions
If you are aware of any of the following symptoms, have your engine
inspected 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.

Emission Control System Information
wc_tx000030gb.fm 5
Replacement Parts
The emission control systems on your Wacker engine were designed,
built, and certified to conform with EPA and California emissions
regulations. We recommend the use of genuine Wacker parts
whenever you have maintenance done. These original-design
replacement parts are manufactured to the same standards as the
original parts, so you can be confident of their performance. The use
of replacement parts that are not of the original design and quality may
impair the effectiveness of your emission control system.
A manufacturer of an aftermarket part assumes the responsibility that
the part will not adversely affect emission performance. The
manufacturer or rebuilder of the part must certify that use of the part
will not result in a failure of the engine to comply with emission
regulations.
Maintenance
Follow the maintenance schedule. Remember that this schedule is
based on the assumption that your machine will be used for its
designed purpose. Sustained high-load or high-temperature operation,
or use in unusually wet or dusty conditions, will require more frequent
service.
OXYGENATED FUELS
Some conventional gasolines are being blended with alcohol or an
ether compound. These gasolines are collectively referred to as
oxygenated fuels. To meet clean air standards, some areas of the
United States and Canada use oxygenated fuels to help reduce
emissions.
If you use an oxygenated fuel, be sure it is unleaded and meets the
minimum octane rating requirement.
Before using an oxygenated fuel, try to confirm the fuel’s contents.
Some States / Provinces require this information to be posted on the
pump.
The following are EPA-approved percentages of oxygenates:
ETHANOL - (ethyl or grain alcohol) 10% by volume. You may use
gasoline containing up to 10% ethanol by volume. Gasoline containing
ethanol may be marketed under the name “Gasohol”.
MTBE - (methyl tertiary butyl ether) 15% by volume. You may use
gasoline containing up to 15% MTBE by volume.

Emission Control System Information
wc_tx000030gb.fm 6
METHANOL - (methyl or wood alcohol) 5% by volume. You may use
gasoline containing up to 5% methanol by volume, as long as it
contains cosolvents and corrosion inhibitors to protect the fuel system.
Gasoline containing more than 5% methanol by volume may cause
starting 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 service
station, or switch to another brand of gasoline.
Fuel system damage or performance problems resulting from the use
of an oxygenated fuel containing more than the percentages of
oxygenates mentioned above are not covered under warranty.
Emission Control System Warranty
Your new Wacker engine complies with the U.S. EPA emissions
regulations. Wacker provides the same emission warranty coverage
for engines sold in all 50 states.
YOUR WARRANTY RIGHTS AND OBLIGATIONS
All States
Wacker must warrant the emission control system on your engine for
the period of time listed below provided there has been no abuse,
neglect or improper maintenance of your engine. Where a warrantable
condition exists, Wacker will repair your engine at no cost to you
including diagnosis, parts and labor.
Your emission control system may include such parts as the
carburetor, the ignition system and the catalytic converter.
Also included may be hoses, connectors and other emission-related
assemblies.
MANUFACTURER’S WARRANTY COVERAGE:
The 1998 and later engines are warranted for two years. If any
emission-related part on your engine is defective, the part will be
repaired or replaced by Wacker.

Emission Control System Information
wc_tx000030gb.fm 7
OWNER’S WARRANTY RESPONSIBILITY:
As the engine owner, you are responsible for the performance of the
required maintenance listed in your owner’s manual. Wacker
recommends that you retain all receipts covering maintenance on your
engine, but Wacker cannot deny warranty coverage solely for the lack
of receipts or for your failure to ensure the performance of all
scheduled maintenance.
As the engine owner, you should be aware that Wacker may deny you
warranty 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 as
soon as a problem exists. The warranty repairs should be completed
in a reasonable amount of time, not to exceed 30 days.
If you have any questions regarding your warranty rights and
responsibilities, you should contact your local Wacker dealer.
WARRANTY COVERAGE:
Wacker engines sold after January 1, 1998, are covered by this
Emission Control System Warranty for a period of two years from the
date of delivery to the original retail purchaser. This warranty is
transferable to each subsequent purchaser for the duration of the
warranty period.
Warranty repairs will be made without charge for diagnosis, parts or
labor. All defective parts replaced under this warranty become property
of Wacker. A list of warranted parts is located on the next page. Normal
maintenance items, such as spark plugs and filters, that are on the
warranted parts list are warranted up to the required replacement
interval only.
Wacker is also liable for damages to other engine components caused
by a failure of any warranted parts during the warranty period.
Only Wacker approved replacement parts may be used in the
performance of any warranty repairs and must be provided without
charge to the owner. The use of replacement parts not equivalent to
the original parts may impair the effectiveness of your engine emission
control system. If such a replacement part is used in the repair or
maintenance of your engine, and an authorized Wacker dealer
determines it is defective or causes a failure of a warranted part, your
claim for repair of your engine may be denied. If the part in question is
not related to the reason your engine requires repair, your claim will not
be denied.

Emission Control System Information
wc_tx000030gb.fm 8
TO OBTAIN WARRANTY SERVICE:
You must take your Wacker product along with proof of original
purchase date, at your expense, to any Wacker authorized dealer
during their normal business hours. Claims for repair or adjustment
found to be caused solely by defects in material or workmanship will
not be denied because the engine was not properly maintained and
used.
EXCLUSIONS:
FAILURES OTHER THAN THOSE RESULTING FROM DEFECTS IN
MATERIAL OR WORKMANSHIP ARE NOT COVERED BY THIS
WARRANTY. THIS WARRANTY DOES NOT EXTEND TO
EMISSION CONTROL SYSTEMS OR PARTS WHICH ARE
AFFECTED OR DAMAGED BY OWNER ABUSE, NEGLECT,
IMPROPER MAINTENANCE, MISUSE, MISFUELING, IMPROPER
STORAGE, ACCIDENT AND/OR COLLISION, THE
INCORPORATION OF, OR ANY USE OF, ANY ADD-ON OR
MODIFIED PARTS, UNSUITABLE ATTACHMENTS, OR THE
UNAUTHORIZED ALTERATION OF ANY PART.
THIS WARRANTY DOES NOT COVER REPLACEMENT OF
EXPENDABLE MAINTENANCE ITEMS MADE IN CONNECTION
WITH REQUIRED MAINTENANCE SERVICES AFTER THE ITEM’S
FIRST SCHEDULED REPLACEMENT AS LISTED IN THE
MAINTENANCE SECTION OF THE PRODUCT OWNER’S MANUAL,
SUCH AS SPARK PLUGS AND FILTERS.
DISCLAIMER OF CONSEQUENTIAL DAMAGE AND LIMITATIONS
OF IMPLIED WARRANTIES:
WACKER DISCLAIMS ANY RESPONSIBILITY FOR INCIDENTAL
OR CONSEQUENTIAL DAMAGES SUCH AS LOSS OF TIME OR
THE USE OF THE POWER EQUIPMENT, OR ANY COMMERCIAL
LOSS DUE TO THE FAILURE OF THE EQUIPMENT; AND ANY
IMPLIED WARRANTIES ARE LIMITED TO THE DURATION OF THIS
WRITTEN WARRANTY. THIS WARRANTY IS APPLICABLE ONLY
WHERE THE U.S. EPA EMISSION CONTROL SYSTEM
WARRANTY REGULATION IS IN EFFECT.

Emission Control System Information
wc_tx000030gb.fm 9
SYSTEMS COVERED
BY THIS WARRANTY
PARTS
DESCRIPTIONS
FUEL METERING CARBURETOR ASSEMBLY
EXHAUST SYSTEM MUFFLER
AIR INDUCTION AIR FILTER HOUSING
AIR FILTER ELEMENT*
IGNITION FLYWHEEL MAGNETO
IGNITION MODULE
SPARK PLUG CAP
SPARK PLUG*
MISCELLANEOUS
PA RT S
TUBING, FITTINGS, SEALS, GASKETS
AND CLAMPS ASSOCIATED
WITH THESE LISTED ITEMS
* Indicates expendable maintenance items.

Safety Information BS 50-2
wc_si000119gb.fm 10
3. Safety Information
This manual contains DANGER, WARNING, CAUTION, and NOTE
callouts which must be followed to reduce the possibility of personal
injury, damage to the equipment, or improper service.
This is the safety alert symbol. It is used to alert you to potential
personal injury hazards. Obey all safety messages that follow this
symbol to avoid possible injury or death.
DANGER indicates a hazardous situation which, if not avoided, will
result in death or serious injury.
WARNING indicates a hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION indicates a hazardous situation which, if not avoided, could
result in minor or moderate injury.
CAUTION: Used without the safety alert symbol, CAUTION indicates
a potentially hazardous situation which, if not avoided, may result in
property damage.
Note: Contains additional information important to a procedure.
DANGER
WARNING
CAUTION

BS 50-2 Safety Information
wc_si000119gb.fm 11
3.1 Operating Safety
Familiarity and proper training are required for the safe operation of
equipment. Equipment operated improperly or by untrained personnel
can be dangerous. Read the operating instructions contained in both
this manual and the engine manual and familiarize yourself with the
location and proper use of all controls. Inexperienced operators should
receive instruction from someone familiar with the equipment before
being allowed to operate the machine.
3.1.1 NEVER operate this machine in applications for which it is not
intended.
3.1.2 NEVER allow anyone to operate this equipment without proper
training. People operating this equipment must be familiar with the
risks and hazards associated with it.
3.1.3 NEVER touch the engine or muffler while the engine is on or
immediately after it has been turned off. These areas get hot and may
cause burns.
3.1.4 NEVER use accessories or attachments that are not recommended by
Wacker. Damage to equipment and injury to the user may result.
3.1.5 NEVER leave machine running unattended.
3.1.6 NEVER tamper with or disable the function of operating controls.
3.1.7 NEVER use choke to stop engine.
3.1.8 NEVER operate the machine in areas where explosions may occur.
3.1.9 ALWAYS read, understand, and follow procedures in the Operator’s
Manual before attempting to operate the equipment.
3.1.10 ALWAYS be sure that all other persons are at a safe distance from the
machine. Stop the machine if people step into the working area of the
machine.
3.1.11 ALWAYS be sure operator is familiar with proper safety precautions
and operation techniques before using machine.
3.1.12 ALWAYS wear protective clothing appropriate to the job site when
operating equipment.
3.1.13 ALWAYS wear hearing protection when operating equipment.
3.1.14 ALWAYS keep hands, feet, and loose clothing away from moving parts
of the machine.
3.1.15 ALWAYS use common sense and caution when operating the
machine.
3.1.16 ALWAYS be sure the rammer will not tip over, roll, slide, or fall when
not being operated.
3.1.17 ALWAYS turn the engine OFF when the rammer is not being operated.
WARNING

Safety Information BS 50-2
wc_si000119gb.fm 12
3.1.18 ALWAYS guide the rammer in such a way that the operator is not
squeezed between the rammer and solid objects. Special care is
required when working on uneven ground or when compacting coarse
material. Make sure to stand firmly when operating the machine under
such conditions.
3.1.19 ALWAYS operate the rammer in such a way that there is no danger of
it turning over or falling in, when working near the edges of breaks, pits,
slopes, trenches and platforms.
3.1.20 ALWAYS store the equipment properly when it is not being used.
Equipment should be stored in a clean, dry location out of the reach of
children.
3.1.21 ALWAYS close fuel valve on engines equipped with one when
machine is not being operated.
3.1.22 ALWAYS operate machine with all safety devices and guards in place
and in working order. DO NOT modify or defeat safety devices. DO
NOT operate machine if any safety devices or guards are missing or
inoperative.
3.2 Operator Safety while using Internal Combustion Engines
Internal combustion engines present special hazards during operation
and fueling. Read and follow the warning instructions in the engine
owner’s manual and the safety guidelines below. Failure to follow the
warnings and safety guidelines could result in severe injury or death.
3.2.1 DO NOT smoke while operating the machine.
3.2.2 DO NOT smoke when refueling the engine.
3.2.3 DO NOT refuel a hot or running engine.
3.2.4 DO NOT refuel the engine near an open flame.
3.2.5 DO NOT spill fuel when refueling the engine.
3.2.6 DO NOT run the engine near open flames.
3.2.7 DO NOT run the machine indoors or in an enclosed area such as a
deep trench unless adequate ventilation, through such items as
exhaust fans or hoses, is provided. Exhaust gas from the engine
contains poisonous carbon monoxide gas; exposure to carbon
monoxide can cause loss of consciousness and may lead to death.
3.2.8 ALWAYS refill the fuel tank in a well-ventilated area.
3.2.9 ALWAYS replace the fuel tank cap after refueling.
3.2.10 ALWAYS check the fuel lines and the fuel tank for leaks and cracks
before starting the engine. Do not run the machine if fuel leaks are
present or the fuel lines are loose.
DANGER

BS 50-2 Safety Information
wc_si000119gb.fm 13
3.3 Service Safety
Poorly maintained equipment can become a safety hazard! In order
for the equipment to operate safely and properly over a long period of
time, periodic maintenance and occasional repairs are necessary.
3.3.1 DO NOT attempt to clean or service the machine while it is running.
Rotating parts can cause severe injury.
3.3.2 DO NOT operate the machine without an air cleaner.
3.3.3 DO NOT remove air cleaner cover, paper element, or precleaner while
engine is running.
3.3.4 DO NOT alter engine speeds. Run the engine only at speeds specified
in the Technical Data Section.
3.3.5 DO NOT crank a flooded engine with the spark plug removed on
gasoline-powered engines. Fuel trapped in the cylinder will squirt out
the spark plug opening.
3.3.6 DO NOT test for spark on gasoline-powered engines if the engine is
flooded or the smell of gasoline is present. A stray spark could ignite
the fumes.
3.3.7 DO NOT use gasoline or other types of fuels or flammable solvents to
clean parts, especially in enclosed areas. Fumes from fuels and
solvents can become explosive.
3.3.8 ALWAYS replace the safety devices and guards after repairs and
maintenance.
3.3.9 ALWAYS keep the area around the muffler free of debris such as
leaves, paper, cartons, etc. A hot muffler could ignite the debris and
start a fire.
3.3.10 ALWAYS do Periodic Maintenance as recommended in the Operator’s
Manual.
3.3.11 ALWAYS clean debris from engine cooling fins.
3.3.12 ALWAYS replace worn or damaged components with spare parts
designed and recommended by Wacker Corporation.
3.3.13 ALWAYS disconnect the spark plug on machines equipped with
gasoline engines, before servicing, to avoid accidental start-up.
3.3.14 ALWAYS keep the machine clean and labels legible. Replace all
missing and hard-to-read labels. Labels provide important operating
instructions and warn of dangers and hazards.
3.3.15 ALWAYS follow instructions when disconnecting fuel lines. Failure to
do so may result in fuel squirting from fuel system.
WARNING

Safety Information BS 50-2
wc_si000119gb.fm 14
3.4 Label Locations

BS 50-2 Safety Information
wc_si000119gb.fm 15
3.5 Safety Labels
Wacker machines use international pictorial labels where needed.
These labels are described below:
Label Meaning
This molded-in label contains important safety
and operating information. If it becomes
illegible, the cover must be replaced. Refer to
the Parts Book for ordering information.
DANGER!
Engines emit carbon monoxide; operate only in
well-ventilated area.
Read the operator's manual for machine
information.
DANGER!
No sparks, flames or burning objects near
machine.
Shut off the engine before refueling.

Safety Information BS 50-2
wc_si000119gb.fm 16
CAUTION!
Use only clean, filtered gasoline fuel.
WARNING!
To prevent hearing loss, wear hearing
protection when operating this machine.
WARNING!
Hot surface! Replace guard!
WARNING!
Serious injury if struck by compressed spring
or cover. If the spring system cover is removed
improperly, the springs can eject.
CAUTION!
ALWAYS follow instructions when
disconnecting fuel lines. Failure to do so may
result in fuel squirting from fuel system. Read
and understand the supplied operator's
manuals before operating this machine.
For optimal control, performance, and minimal
hand/arm vibration, grasp handle as shown.
Refer to Section Proper Operation for further
details.
Label Meaning

BS 50-2 Safety Information
wc_si000119gb.fm 17
Guaranteed sound power level in dB(A)
The air intake system is equipped with a filter
indicator, which indicates when a filter change
is required. Replace main paper filter element
when yellow plunger of the indicator appears in
or near the red line.
A nameplate listing the model number, item
number, revision number, and serial number is
attached to each unit. Please record the
information found on this plate so it will be
available should the nameplate become lost or
damaged. When ordering parts or requesting
service information, you will always be asked to
specify the model number, item number,
revision number, and serial number of the unit.
This machine may be covered by one or more
patents.
Label Meaning

Safety Information BS 50-2
wc_si000119gb.fm 18
3.6 Operating Labels
Wacker machines use international pictorial labels where needed.
These labels are described below:
Label Meaning
Close the choke.
Place the throttle control lever in the “start”
position.
Pull the rewind starter.
Open the choke.
Place the throttle control lever in the “stop”
position.