Wacker Neuson CT24-4A Operator's Manual

Operator’s Manual

5000184477

Trowel

CT24-4A

Type
Document 5000184477
Date
Version
Language EN

CT24-4A

0917

12

Copyright notice

© Copyright 2017 by Wacker Neuson Production Americas LLC
All rights, including copying and distribution rights, are reserved.
This publication may be photocopied by the original purchaser of the

machine. Any other type of reproduction is prohibited without express
written permission from Wacker Neuson Production Americas LLC.

Any type of reproduction or distribution not authorized by Wacker
Neuson Production Americas LLC represents an infringement of valid
copyrights. Violators will be prosecuted.

Trademarks

Manufacturer

Original instructions

All trademarks referenced in this manual are the property of their
respective owners.

Wacker Neuson Production Americas LLC
N92W15000 Anthony Avenue
Menomonee Falls, WI 53051 U.S.A.
Tel: [phone] · Fax: [phone] · Tel: [phone]
www.wackerneuson.com

This Operator’s Manual presents the original instructions. The original
language of this Operator’s Manual is American English.

CT 24-4A Foreword

Foreword

SAVE THESE INSTRUCTIONS—This manual contains important instructions for
the machine models below. These instructions have been written expressly by
Wacker Neuson Production Americas LLC and must be followed during inst allation,
operation, and maintenance of the machines.

Machine Item Number

CT 24-24A 0620105, 0620849

Machine
identification

Serial number
(S/N)

Machine
documentation

wc_gr010143

A nameplate listing the model number, item number, revision number, and serial
number is attached to this machine. The location of the nameplate is shown above.

For future reference, record the serial number in the space provided below . You will
need the serial number when requesting parts or service for this machine.

Serial Number:

 From this point forward in this documentation, Wacker Neuson Production

Americas L

 Keep a copy of the Operator’s Manual with the machine at all times.
 Use the separate Parts Book supplied with the machine to order replacement

rts.

pa

 If you are missing either of these documents, please conta ct W acker Neuson to

LC will be referred to as Wacker Neuson.

order a replacement or visit www.wackerneuson.com.

 When ordering parts or requesting service information, be prepared to provide

e machine model number, item number, revision number, and serial number.

th

wc_tx003230gb.fm 3

Foreword CT 24-4A

Expectations
for
information in
this manual

Manufacturer’s
approval

 This manual provides information and procedures to safely operate and

maintain the above Wacker Neuson model(s). For your own safety and to
reduce the risk of injury , carefully read, underst and, and observe all instructions
described in this manual.

 Wacker Neuson expressly reserves the right to make technical modifications,

even without notice, which improve the performance or safety standards of its
machines.

 The information contained in this manual is based on machines manufactured

up until the time of publication. Wacker Neuson reserves the right to change
any portion of this information without notice.

 The illustrations, parts, and procedures in this manual refer to Wacker Neuson

factory-installed components. Your machine may vary depending on the
requirements of your specific region.

This manual contains references to approved parts, attachments, and modifica­tions. The following definitions apply:

 Approved parts or attachments are those either manufactured or provided by

Wacker Neuso

 Approved modifications are those performed by an authorized Wacker

Neuson service center according to written instructions published by Wa

son.

Neu

 Unapproved parts, attachments, and modifications are those that do not

n.

cker

meet the approved criteria.

Unapproved parts, attachments, or modifications may have the following conse­quences:

 Serious injury hazards to the operator and persons in the work area
 Permanent damage to the machine which will not be covered under warranty

Contact your Wacker Neuson dealer immediately if you have questions abo
approved or

unapproved parts, attachments, or modifications.

ut

CALIFORNIA
Proposition
65 Warning

Laws
pertaining to
spark
arresters

Combustion 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.

NOTICE: State Health Safety Codes and Public Resources Codes specify that in
certain locations spark arresters be used on internal combustion engines that use
hydrocarbon fuels. A spark arrester is a device designed to prevent accidental dis­charge of sparks or flames from the engine exhaust. Spark arresters are qualified
and rated by the United States Forest Service for this purpose. In order to comply
with local laws regarding spark arresters, consult the engine distributor or the local
Health and Safety Administrator.

4 wc_tx003230gb.fm

EC Declaration of Conformity

Manufacturer

Wacker Neuson Production Americas LLC, N92W15000 Anthony Avenue,
Menomonee Falls, Wisconsin 53051, USA

Product

Product

Product category

Product function

Item number

CT24-4A

Trowel

To smooth and finish semi-cured concrete

5000620849

Directives and Standards

We hereby declare that this product meets and complies with the relevant regulations and
requirements of the following directives and standards:

2006/42/EC, 2014/30/EU, EN12649

Authorized Person for Technical Documents

Robert Raethsel, Wacker Neuson Produktion GmbH & Co. KG, Wackerstrasse 6, 85084
Reichertshofen, Germany

Menomonee Falls, WI, USA, 24.06.16

Keith Herr
Vice President and Managing Director
For Wacker Neuson

2016_CE_CT24-4A_en_FM10.fm

Jeff Volden
Director, Product Engineering
For Wacker Neuson

Scott Grahl
Manager, Product Engineering
For Wacker Neuson

Original Declaration of Conformity

CT 24-4A

Table of Contents

Foreword 3

EC Declaration of Conformity 5

1 Safety Information 9

1.1 Signal Words Used in this Manual ....................................................... 9

1.2 Machine Description and Intended Use ............................................. 10

1.3 Safety Guidelines for Operating the Machine ..................................... 11

1.4 Service Safety .................................................................................... 13

1.5 Operator Safety while Using Internal Combustion Engines ............... 15

2 Labels 16

2.1 Label Locations .................................................................................. 16

2.2 Label Meanings .................................................................................. 17

3 Lifting and Transporting 20

3.1 Lifting the Machine ............................................................................. 20

3.2 Transporting the Machine ................................................................... 21

4 Operation 22

4.1 Preparing the Machine for First Use ................................................... 22

4.2 New Machine Set-Up ......................................................................... 22

4.3 Recommended Fuel ........................................................................... 23

4.4 Refueling the Machine ........................................................................ 24

4.5 Installing Blades ................................................................................. 25

4.6 Unfolding Handle ................................................................................ 26

4.7 Controls .............................................................................................. 27

4.8 Operator Present Lever ...................................................................... 27

4.9 Before Starting ................................................................................... 28

4.10 Starting ............................................................................................... 28

4.11 Stopping ............................................................................................. 29

4.12 Position of the Operator ..................................................................... 30

4.13 Operation ............................................................................................ 30

4.14 Emergency Shutdown Procedure ....................................................... 31

4.15 Pitch Adjustment ................................................................................ 32

wc_bo5000184477_12TOC.fm

7

Table of Contents

CT 24-4A

5 Maintenance 33

5.1 Maintaining the Emission Control System ...........................................33

5.2 Periodic Maintenance Schedule ..........................................................33

5.3 Engine Oil ............................................................................................34

5.4 Servicing the Air Cleaner .....................................................................35

5.5 Spark Plug ...........................................................................................36

5.6 Cleaning the Sediment Cup ................................................................37

5.7 Adjusting the Idle Speed .....................................................................38

5.8 Carburetor Adjustment ........................................................................39

5.9 Belt Replacement ................................................................................40

5.10 Trowel Lubrication ...............................................................................41

5.11 Storage ................................................................................................42

6 Troubleshooting 43

7 Technical Data 44

7.1 Dimensions and Weights .....................................................................44

7.2 Engine .................................................................................................45

7.3 Trowel ..................................................................................................46

7.4 Sound and Vibration Specifications .....................................................47

8 Emission Control Systems Information and Warranty 48

8.1 Emission Control Systems Warranty Statement .................................48

9 AEM Safety Manual 49

8

wc_bo5000184477_12TOC.fm

CT 24-4A Safety Information

1 Safety Information

1.1 Signal Words Used in this Manual

is manual contains DANGER, WARNING, CAUTION, NOTICE, and NOTE

Th
signal words 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 hazards.
f Obey all safety messages that follow this symbol.

DANGER

DANGER indicates a hazardous situation which, if not avoided, will result in death
or serious injury.

f To avoid death or serious injury from this type of hazard, obey all safety

messages that follow this signal word.

WARNING

WARNING indicates a hazardous situation which, if not avoided, could result in
death or serious injury.

f To avoid possible death or serious injury from this type of hazard, obey all safety

messages that follow this signal word.

CAUTION

CAUTION indicates a hazardous situation which, if not avoided, could result in
minor or moderate injury.

f To avoid possible minor or moderate injury from this type of hazard, obey all

safety messages that follow this signal word.

NOTICE: Used without the safety alert symbol, NOTICE indicates a situation
which, if not avoided, could result in property damage.

Note: A Note contains additional information important to a procedure.

wc_si000741gb.fm

9

Safety Information CT 24-4A

1.2 Machine Description and Intended Use

This machine is a walk-behind concrete finishing trowel. The Wacker Neuson
Walk-Behind Trowel consists of a frame onto which are mounted a gasoline
engine, a fuel tank, a gearbox, and a control handle. A set of four metal blades is
connected to the gearbox and is surrounded by a ring guard. The engine rotates
the blades through the gearbox and clutch mechanism. The rotating blades ride on
the surface of curing concrete, creating a smooth finish. The operator walks behind
the machine and uses the handle to control speed and direction of the machine.

This machine is intended to be used for floating and burnishing curing concrete.

This machine has been designed and built strictly for the intended use described
above. Using the machine for any other purpose could permanently damage the
machine or seriously injure the operator or other persons in the area. Machine
damage caused by misuse is not covered under warranty.

The following are some examples of misuse:

 Using the machine as a ladder, support, or work surface
 Using the machine to carry or transport passengers or equipment
 Using the machine to finish inappropriate materials such as slurries, sealers, or

epoxy finishes

 Operating the machine outside of factory specifications
 Operating the machine in a manner inconsistent with all warnings found on the

machine and in the Operator’s Manual

This machine has been designed and built in accordance with the latest global
safety standards. It has been carefully engineered to eliminate hazards as far as
practicable and to increase operator safety through protective guards and labeling.
However, some risks may remain even after protective measures have been taken.
They are called residual risks. On this machine, they may include exposure to:

 Heat, noise, exhaust, and carbon monoxide from the engine
 Chemical burns from curing concrete
 Fire hazards from improper refueling techniques
 Fuel and its fumes, fuel spillage from improper lifting technique
 Personal injury from improper lifting techniques or operating techniques
 Cutting hazards from sharp or worn blades

To protect yourself and others, make sure you thoroughly read and understand the
safety information presented in this manual before operating the machine.

10

wc_si000741gb.fm

CT 24-4A Safety Information

1.3 Safety Guidelines for Operating the Machine

Operator
training

Operator
qualifications

Application
area

Before operating the machine:

 Read and understand the operating instructions contained in all manuals

delivered with the machine.

 Familiarize yourself with the locat ion and proper use of all controls and safety

devices.

 Contact Wacker Neuson for additional training if necessary.

When operating this machine:

 Do not allow improperly trained people to operate the machine. People

operating the machine must be familiar with the potential ri sks and hazards
associated with it.

Only trained personnel are permitt ed to start , operate, and shut down the machi ne.
They also must meet the following qualificat ions:

 have received instruction on how to properly use the machine
 are familiar with required safety devices

The machine must not be accessed or operated by:

 children
 people impaired by alcohol or drugs

Be aware of the application area.

 Keep unauthorized personnel, children, and pets away from the machine.
 Remain aware of changing positions and the movement of ot her equipment and

personnel in the application area/job site.

 Identify whether special hazards exist in the application area, such as toxic

gases, or unstable ground conditions, and take appropriate action to eliminate
the special hazards before using the machine.

Dust
precaution

wc_si000741gb.fm

Be aware of the application area.

 Do not operate the machine in areas that contain flammable obj ects, fuels, or

products that produce flammable vapors.

Dust created by construction activities may cause silicosis or respiratory harm. To
reduce the risk of exposure:

 Work in a well ventilated area
 Use a dust control system
 Wear an approved dust/particle respirator

11

Safety Information CT 24-4A

Safety
devices,
controls, and
attachments

Safe
operating
practices

Only operate the machine when:

 All safety devices and guards are in place and in working order.
 All controls operate correctly.
 The machine is set up correctly according to the instructions in the Operator’s

Manual.

 The machine is clean.
 The machine’s labels are legible.

To ensure safe operation of the machine:

 Do not operate the machine if any safety devices or guards are missing or

inoperative.

 Do not modify or defeat the safety devices.
 Only use accessories or attachments that are approved by Wacker Neuson.

When operating this machine:

 Remain aware of the machine’s moving parts. Keep hands, feet, and loos e

clothing away from the machine’s moving parts.

When operating this machine:

 Do not operate a machine in need of repair.
 Do not operate the machine with the beltguard missing. Exposed drive belt and

pulleys create potentially danger ous hazards that can cause serious injuries.

 Do not use the trowel around pop-ups in the concrete that are lower than the

lowest ring on the ring guard.

 Do not lift the machine solely by the handle. The component may fail, causing

the machine to fall, possibly injur ing bystanders.

 Test the function of the engine control module before operating the trowel. Do

not operate the trowel if the engine control module is not functi oning properly.

Personal
Protective
Equipment
(PPE)

After Use

Wear the following Personal Protective Equipment (PPE) while operating this
machine:

 Close-fitting work clothes that do not hinder movement
 Safety glasses with side shields
 Hearing protection
 Safety-toed footwear

 Stop the engine when the machine is not being operated.
 Close the fuel valve on engines equipped with one when the machine is not

being operated.

 Ensure that the machine will not tip over, roll, slide, or fall when not being

operated.

 Store the machine properly when it is not being used. The machine should be

stored in a clean, dry location out of the reach of children.

wc_si000741gb.fm

12

CT 24-4A Safety Information

1.4 Service Safety

Service
training

Precautions

Before servicing or maintaining the machine:

 Read and understand the instructions contained in all manuals delivered with

the machine.

 Familiarize yourself with the location and proper use of all controls and safety

devices.

 Only trained personnel shall troubleshoot or repair problems occurring with the

machine.

 Contact Wacker Neuson for additional training if necessary.

When servicing or maintaining this machine:

 Do not allow improperly trained people to service or maintain the machine.

Personnel servicing or maintaining the machine must be familiar with the
associated potential risks and hazards.

Follow the precautions below when servicing or maintaining the machine.

 Read and understand the service procedures before performing any service to

the machine.

 All adjustments and repairs must be completed before operation. Do not

operate the machine with a known problem or deficiency.

 All repairs and adjustments shall be completed by a qualified technician.
 Turn off the machine before performing maintenance or making repairs.

Machine
modifications

Replacing
parts and
labels

Cleaning

When servicing or maintaining the machine:

 Use only accessories/attachments that are approved by Wacker Neuson.

When servicing or maintaining the machine:

 Do not defeat safety devices.
 Do not modify the machine without the express written approval of Wacker

Neuson.

 Replace worn or damaged components.
 Replace all missing and hard-to-read labels.
 When replacing electrical components, use components that are identical in

rating and performance to the original components.

 When replacement parts are required for this machine, use only Wacker

Neuson replacement parts or those p arts equivalent to the original in a ll types of
specifications, such as physical dimensions, type, strength, and material.

When cleaning and servicing the machine:

 Keep the machine clean and free of debris such as leaves, paper, cartons, etc.
 Keep the labels legible.

When cleaning the machine:

 Do not clean the machine while it is running.
 Never use gasoline or other types of fuels or flammable solvents to clean the

machine. Fumes from fuels and solvents can become explosive.

wc_si000741gb.fm

13

Safety Information CT 24-4A

Personal
Protective
Equipment
(PPE)

Safe service
practices

Wear the following Personal Protective Equipment (PPE) while servicing or
maintaining this machine:

 Close-fitting work clothes that do not hinder movement
 Safety glasses with side shields
 Hearing protection
 Safety-toed footwear

In addition, before servicing or maintaining the machine:

 Tie back long hair.
 Remove all jewelry (including rings).

 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.

 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.

 Disconnect the spark plug on machines equipped with gasoline engines, before

servicing, to avoid accidental start-up.

 Do not remove blades while the machine is hanging overhead.
 Support the machine securely before changing blades.
 Handle blades carefully. The blades can develop sharp edges which can cause

serious cuts.

14

wc_si000741gb.fm

CT 24-4A Safety Information

1.5 Operator Safety while Using Internal Combustion Engines

WARNING

Internal combustion engines present special hazards during operation and fueling.
Failure to follow the warnings and safety standards could result in severe injury or
death.
f Read and follow the warning instructions in the engine owner’s manual and the

safety guidelines below.

DANGER

Exhaust gas from the engine contains carbon monoxide, a deadly poison.
Exposure to carbon monoxide can kill you in minutes.

f NEVER operate the machine inside an enclosed area, such as a tunnel, unless

adequate ventilation is provided through such items as exhaust fans or hoses.

Operating
safety

Refueling
safety

When running the engine:

 Keep the area around exhaust pipe free of flammable materials.
 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.

When running the engine:

 Do not smoke while operating the machine.
 Do not run the engine near sparks or open flames.
 Do not touch the engine or muffler while the engine is running or immediately

after it has been turned off.

 Do not operate a machine when its fuel cap is loose or missing.
 Do not start the engine if fuel has spilled or a fuel odor is present. Move the

machine away from the spill and wipe the machine dry before starting.

When refueling the engine:

 Clean up any spilled fuel immediately.
 Refill the fuel tank in a well-ventilated area.
 Reinstall the fuel tank cap after refueling.
 Do not smoke.
 Do not refuel a hot or running engine.
 Do not refuel the engine near sparks or open flames.
 Use suitable tools for refueling (for example, a fuel hose or funnel).
 Do not refuel if the machine is positioned in a truck fitted with a plastic bed liner.

Static electricity can ignite the fuel or fuel vapors.

wc_si000741gb.fm

15

Labels CT 24-4A

2 Labels

2.1 Label Locations

16 wc_si000742gb.fm

CT 24-4A Labels

2.2 Label Meanings

A DANGER

Asphyxiation hazard

 Engines emit carbon monoxide.
 Do not run the machine indoors or in an enclosed

area unless adequate ventilation, through such items
as exhaust fans or hoses, is provided.

 Read the Operator’s Manual. No sparks, flames, or

burning objects near the machine. Stop the engine
before refueling.

B WARNING

Hot surface

C WARNING

Hand injury if caught in moving belt.
Always replace beltguard.

D WARNING

Always wear hearing and eye protection when operating
this machine.

wc_si000742gb.fm 17

Labels CT 24-4A

178709

E WARNING

Cutting hazard. Always replace blade guard.

F Variable speed throttle

G CAUTION

Read and understand the supplied Operator’s Manual
before operating this machine. Failure to do so
increases the risk of injury to yourself and others.

H NOTICE

Lifting point

— This machine may be covered by one or more patents.

18 wc_si000742gb.fm

CT 24-4A Labels

3

2

1

7

6

5

4

3

2

1

172847

J

111

172847

To start the machine:

1. Open the fuel flow valve.

2. Close the choke .

3. Push or turn engine switch to ON position.

4. Place throttle in the IDLE position.

5. Engage operator present lever.

6. Pull the rewind s tarter.

7. Open the choke.
To stop the machine:

1. Release operator present lever.

2. Push or turn engine switch to OFF position.

3. Close the fuel flow valve.

2

3

4

5

6

7

1

2

3

wc_si000742gb.fm 19

Lifting and Transporting CT 24-4A

3 Lifting and Transporting

3.1 Lifting the Machine

NEVER lift the machine solely by the handle. The component may fail, causing the
machine to fall, possibly injuring bystanders.

WARNING

See Technical Data for the weight of the machine.
To lift the machine manually:

1. Stop machine.

2. Obtain a partner and plan the lift.

3. Balance the weight between the partners and lift the machine by the guard ring
(a).

To reduce risk of back injury while lifting, keep your feet flat on ground and shoulder
width apart. Keep your head up and back straight.

WARNING

To lift the machine mechanically:

WARNING

4. Stop machine.

5. See Dimensions and Weight for weight of machine and be sure that lifting
device(s) can safely lift the weight.

6. Attach hook, harness, or cable to the lifting bracket (b) on machine as shown
and lift as desired.

Do not lift the trowel overhead with a float pan attached, as the pan could fall off
and strike personnel working in the vicinity.

b

c

a

wc_gr004390

20

wc_tx003231gb.fm

CT 24-4A Lifting and Transporting

3.2 Transporting the Machine

Requirements

Procedure

 Transport vehicle capable of handling the weight of the trowel
 Suitable ropes or chains

Follow the procedure below to tie down and transport the machine.

1. Lift the trowel onto the transport vehicle.

2. Position the handle so that it does not protrude outside the footprint of the
transport vehicle.

3. Connect the ropes/chains to the ring guard of the trowel as follows.
a.Connect them as low on the ring guard as possible to minimize stress on the

gearbox output shaft.

b.Use a crossing pattern as shown.

Result

4. Connect the ropes/chains to the transport vehicle. Do not overtighten them.

The machine is now ready to be transported.

wc_tx003231gb.fm

21