Wacker Neuson HI750GMHD Manuel utilisateur

Catégorie
Groupes électrogènes
Taper
Manuel utilisateur

Ce manuel convient également à

Operator’s Manual
Notice d'emploi
IDF Heater
Réchauffeurs d’air–Mise à feu indirecte
HI750
Type HI750
Document 5000188454
Date 1115
Version 10
Language EN-FR
5000188454
Copyright notice
© Copyright 2015 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
All trademarks referenced in this manual are the property of their
respective owners.
Manufacturer
Wacker Neuson Production Americas LLC
N92W15000 Anthony Avenue
Menomonee Falls, WI 53051 U.S.A.
Tel: (262) 255-0500 · Fax: (262) 255-0550 · Tel: (800) 770-0957
www.wackerneuson.com
Original instructions
This Operators Manual presents the original instructions. The original
language of this Operator’s Manual is American English.
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HI750 Foreword
Foreword
This heater is designed and approved for use as a construction heater in
accordance with Standard ANSI Z83.7–CSGA 2.14. CHECK WITH YOUR LOCAL
FIRE SAFETY AUTHORITY IF YOU HAVE QUESTIONS ABOUT APPLICATIONS.
Other standards govern the use of fuel gases and heat producing products in
specific applications. Your local authority can advise you about these.
THE INSTALLATION OF THE UNIT SHALL BE IN ACCORDANCE WITH THE
REGULATIONS OF THE AUTHORITIES HAVING JURISDICTION.
WARNING
Risk of personal injury or machine damage from improper use.
Before using the machine, read and understand all instructions and follow them
carefully.
The manufacturer is not responsible for damages to goods or persons due to
improper use of this machine.
WARNING
Failure to comply with the precautions and instructions provided with this machine
can result in death, serious injury, and property loss or damage from fire, explosion,
burns, asphyxiation, carbon monoxide poisoning, and/or electric shock.
Before using the machine, read and understand all precautions and instructions
that have been provided. Follow them carefully.
Only persons who can understand and follow the precautions and instructions
should use or service this machine.
Contact the manufacturer if you need assistance with operating the machine or
need replacement manuals or labels.
WARNING
Work site fire, burn, inhalation, and explosion hazards.
Keep solid combustibles, such as building materials, paper, or cardboard at a
safe distance away from the machine.
Never use this machine in spaces which do or may contain volatile or airborne
combustibles, or products such as gasoline, solvents, paint thinner, dust
particles, or unknown chemicals.
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Foreword HI750
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 installation,
operation, and maintenance of the machines.
Machines
covered by
this manual
This manual covers machines with the following item numbers:
Machine
documentation
From this point forward in this documentation, Wacker Neuson Production
Americas LLC will be referred to as Wacker Neuson.
Keep a copy of the Operator’s Manual with the machine at all times.
For spare parts information, please see your Wacker Neuson Dealer, or visit the
Wacker Neuson website at http://www.wackerneuson.com/.
When ordering parts or requesting service information, be prepared to provide
the machine model number, item number, revision number, and serial number.
Expectations
for
information in
this manual
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, understand, 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.
CALIFORNIA
Proposition
65 Warning
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.
WARNING
Not for use in homes or recreational vehicles. Installing this machine in a home or
RV may result in fire, explosion, property damage, personal injury, or death.
Operate the machine only as specified in the topic Machine Description and
Intended Use.
Machine Item Number
HI750 D 5000620856, 5000620923, 5000620924
HI750 G 5000620857, 5000620928, 5000620929
HI750 DGM 5000620859, 5000620930, 5000620969,
5000620970
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HI750 Foreword
Laws
pertaining to
spark
arresters
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.
Manufacturer’s
approval
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 Neuson.
Approved modifications are those performed by an authorized Wacker
Neuson service center according to written instructions published by Wacker
Neuson.
Unapproved parts, attachments, and modifications are those that do not
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 about
approved or unapproved parts, attachments, or modifications.
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Foreword HI750
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HI750Table of Contents
Foreword 3
1 Safety Information 11
1.1 Signal Words Used in this Manual ..................................................... 11
1.2 Machine Description and Intended Use ............................................. 12
1.3 Operating Safety ................................................................................ 13
1.4 Safety Guidelines for Operating Combustion Burners ....................... 15
1.5 Service Safety .................................................................................... 16
1.6 Safety Guidelines for Operating Gensets ........................................... 18
1.7 Safety Guidelines for Towing the Machine ......................................... 20
1.8 Safety Guidelines for Lifting the Machine ........................................... 21
1.9 Reporting Safety Defects ................................................................... 21
2 Labels 22
2.1 Label Locations .................................................................................. 22
2.2 Label Meanings .................................................................................. 23
3 Lifting and Transporting 29
3.1 Lifting the Machine ............................................................................. 29
3.2 Preparing the Machine for Transport on a Truck or Trailer ................ 31
3.3 Before Towing Checklist ..................................................................... 32
3.4 Testing the Breakaway System—Electric Brakes .............................. 33
3.5 Testing the Breakaway System—Hydraulic Surge Brakes ................. 35
4 Operation 37
4.1 Preparing the Machine for First Use ................................................... 37
4.2 Recommended Fuel ........................................................................... 37
4.3 Refueling the Machine ........................................................................ 38
4.4 Features and Controls ........................................................................ 39
4.5 Control Panel ...................................................................................... 40
4.6 General Sequence of Operation ......................................................... 40
4.7 Positioning the Machine ..................................................................... 41
4.8 Electrical and Grounding Requirements ............................................. 42
4.9 Power Requirements for Third-Party Generators ............................... 43
4.10 Connecting Power to the Machine ..................................................... 43
4.11 Connecting the Gas Line .................................................................... 44
4.12 Suggested Venting ............................................................................. 45
4.13 Flex Ducting Options .......................................................................... 46
4.14 Ducting Guidelines ............................................................................. 47
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Table of ContentsHI750
4.15 Before Starting Checks .......................................................................49
4.16 Connecting and Using the Remote Thermostat ..................................50
4.17 Starting the Generator (if equipped) ....................................................51
4.18 Starting the Machine ...........................................................................52
4.19 Stopping ..............................................................................................53
4.20 Emergency Shutdown Procedure ........................................................54
4.21 Monitoring the Operating Parameters .................................................55
4.22 Overtemperature Shutdown ................................................................56
4.23 Operating at High Elevations ...............................................................57
4.24 Adjusting the Air Output Volume .........................................................58
4.25 Using the Recirculation Damper ..........................................................59
4.26 Operating States of the Beckett Burner Controller ..............................60
4.27 Operating States of the Riello Burner Controller .................................64
5 Factory-Installed Options 66
5.1 Variable Frequency Drive (VFD) .........................................................66
5.2 Trailer ..................................................................................................66
5.3 Generator ............................................................................................67
5.4 Diesel Burner .......................................................................................67
5.5 Natural Gas (NG)/Liquid Propane (LP) Burner ....................................67
6 Accessories 68
6.1 Available Accessories .........................................................................68
7 Burner Setup—Diesel 69
7.1 Factory Settings ..................................................................................69
7.2 Setting up the Burner ..........................................................................69
7.3 Setting and Checking the Electrodes ..................................................72
7.4 Replacing the Burner Nozzle ...............................................................74
7.5 Setting the “Z” Distance and Head Position ........................................76
7.6 Adjusting the Air Settings ....................................................................78
7.7 Adjusting the Fuel Pressure—Oil Burner ............................................79
8 Burner Setup—Gas 80
8.1 Factory Settings ..................................................................................80
8.2 Setting up the Burner ..........................................................................81
8.3 Removing the Combustion Head ........................................................83
8.4 Adjusting the Ionization Probe and the Electrode ...............................84
8.5 Changing the Burner Orifice ................................................................85
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HI750Table of Contents
8.6 Checking the Burner Air Damper Setting ........................................... 86
8.7 Adjusting the Head Setting ................................................................. 87
8.8 Checking the Supply Gas Pressure ................................................... 88
8.9 Checking and Adjusting the Burner Gas Pressure ............................. 90
8.10 Changing the Burner Type (from Oil to NG or LP) ............................. 92
8.11 Changing the Burner from Natural Gas Burning to LP Burning .......... 93
8.12 Changing the Gas Burner Regulator Spring ....................................... 94
9 Maintenance 95
9.1 Periodic Maintenance Schedule—Oil Burners ................................... 95
9.2 Periodic Maintenance Schedule—Gas Burners ................................. 96
9.3 Cleaning the Machine ......................................................................... 97
9.4 Replacing the Blower Belt .................................................................. 98
9.5 Inspecting the Heat Exchanger ........................................................ 100
9.6 Replacing the Burner Nozzle ............................................................ 104
9.7 Replacing the Fuel Filter .................................................................. 106
9.8 Cleaning the CAD Cell ..................................................................... 107
9.9 Storage ............................................................................................. 108
9.10 Preparing the Machine for Seasonal Operation ............................... 109
9.11 Connecting and Maintaining the Battery .......................................... 110
9.12 Storing the Genset ........................................................................... 111
9.13 Draining the Heat Exchanger and Resetting a Hard Lockout ........... 112
10 Genset Maintenance 113
11 Basic Troubleshooting 116
11.1 Machines with Oil Burners ................................................................ 116
11.2 Machines with Gas Burners ............................................................. 117
12 Technical Data 118
12.1 Machine ............................................................................................ 118
12.2 Genset .............................................................................................. 120
12.3 Trailer ............................................................................................... 121
Tire Safety Information 123
13 Schematics 135
13.1 HI750 with VFD—Electrical Schematic ............................................ 136
13.2 HI750 with VFD—Electrical Schematic Components ....................... 137
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Table of ContentsHI750
13.3 HI750 without VFD—Electrical Schematic ........................................138
13.4 HI750 without VFD—Electrical Schematic Components ...................139
13.5 Kubota Genset ..................................................................................140
13.6 Kubota Genset Schematic Components ...........................................141
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HI750 Safety Information
1 Safety Information
1.1 Signal Words Used in this Manual
This manual contains DANGER, WARNING, CAUTION, NOTICE, and NOTE
signal words which must be followed to reduce the possibility of personal injury,
damage to the equipment, or improper service.
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.
This is the safety alert symbol. It is used to alert you to potential personal hazards.
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.
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.
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.
To avoid possible minor or moderate injury from this type of hazard, obey all
safety messages that follow this signal word.
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Safety Information HI750
1.2 Machine Description and Intended Use
Machine
description
The HI750 Heaters are indirect-fired air heaters available in oil (diesel) burner and
natural gas or liquid propane (LP) burning models. The machine consists of the
following components:
Combustion chamber and heat exchanger
Centrifugal blower
Single-stage burner
High-temperature shut-down switch(es)
Fuel tank on diesel burning models
Trailer on mobile units
Generator on mobile units
Fuel is consumed in a closed combustion chamber. Room air or outside air
(depending on the application) is pulled in by the centrifugal blower and blown over
the hot heat exchanger. This clean, dry, hot air is then blown into the space to be
heated by the centrifugal blower. Access to the blower assembly is protected by a
guard fitted on the air inlet.
Intended use
The HI750 Heaters are intended to provide heat on outdoor sites and in other
rugged applications.
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 on the work site. Machine
damage caused by misuse is not covered under warranty.
If your machine includes a generator, do not operate it indoors.
If your machine does not include a generator, it may be operated indoors, but
only when it has
proper exhaust venting designed for indoor use, which meets all
applicable regulations.
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:
exhaust emissions
hot surfaces such as exhaust vents
fuel and fuel fumes when refueling
high voltages and arc flash
To protect yourself and others, thoroughly read and understand the safety
information presented in this manual before operating the machine.
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HI750 Safety Information
Wacker Neuson offers many optional accessories for the machine. These
accessories include the following:
Remote thermostat
Duct adapters (various sizes, available as kits, or individual ducts).
Covers for inlet and outlets (need to be removed before operation)
Exhaust vents and elbows
Burner conversion kits
1.3 Operating Safety
Operator
training
Before operating the machine:
Read and understand the operating instructions contained in all manuals
delivered with the machine.
Familiarize yourself with the location 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 risks and hazards
associated with it.
Machine
condition
Only operate the machine when:
The heat exchanger is in proper working order.
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.
When operating the machine:
Do not modify or defeat the safety devices.
Do not use worn electrical cords.
Do not use faulty fuel supplies.
Heat
exchanger
inspection
The heat exchanger must be inspected twice a year to ensure it is in good working
order. Shorter inspection intervals are recommended for units operating under
extreme transportation or operating conditions.
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Safety Information HI750
Guidelines for
operator
When operating the machine:
Remain aware of the machine’s moving parts. Keep hands, feet, and loose
clothing away from the machine’s moving parts.
Wear protective clothing appropriate to the job site when operating the machine.
Wear safety glasses.
When operating the machine:
Do not operate a machine in need of repair.
Do not smoke near the machine.
Do not block the air inlet or outlet during machine operation.
Personal
Protective
Equipment
(PPE)
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
Work space
When operating the machine:
Position the machine on a firm, noncombustible, level surface.
Keep the area immediately surrounding and underneath the machine clean,
neat, and free of debris and combustible materials.
Keep the area above the machine clear of debris that could fall on the machine.
Store the machine properly when it is not being used.
Keep unauthorized personnel, children, and pets away from the machine.
When operating the machine:
Do not connect ductwork between the exhaust outlet port and the supply air inlet
port.
Never operate the machine in areas that contain flammable objects, fuels, or
products that produce flammable vapors.
Do not position the electrical cords under the machine or over the top of the
machine.
DANGER
Exhaust gas from the burner contains carbon monoxide, a deadly poison. Exposure
to carbon monoxide can kill you in minutes.
Never run the machine indoors or in an enclosed area unless the machine is
vented properly.
If your machine has a generator, do not run the machine indoors.
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HI750 Safety Information
1.4 Safety Guidelines for Operating Combustion Burners
When using the machine:
Make sure you have proper certification or licensing required by the locality,
state, or province in which the machine is being installed to connect natural gas
or LP.
Clean up any spilled fuel immediately.
Replace the fuel tank cap after refueling the machine.
Refill the fuel tank in a well-ventilated area.
Always keep the oil supply valve shut off if the burner is shut down for an
extended period of time.
When using the machine:
Do not fill or drain the fuel tank near an open flame, while smoking, or while the
machine is running.
Do not smoke when refueling the machine.
Do not smoke when connecting natural gas or LP.
Do not attempt to start the burner when excess oil has accumulated, when the
unit is full of vapors, or when the combustion chamber is very hot.
Note: Some machines may not be capable of supporting natural gas or LP. Please
see the burner manufacturer’s literature for more information.
DANGER
Carbon monoxide. Using this machine indoors CAN KILL YOU IN MINUTES.
Exhaust gas contains carbon monoxide (CO). This is a deadly poison you cannot
see or smell. If you can smell the exhaust, you are breathing CO. Even if you
cannot smell the exhaust, you could be breathing CO.
NEVER operate the machine inside an enclosed area, such as a home, tunnel,
or garage unless it is vented properly.
ONLY use the machine outside and far away from windows, doors, and vents.
These openings can pull in exhaust gas.
ALWAYS use a battery-powered or battery-backup CO alarm in nearby
structures. Even when you use the machine correctly, CO may leak into nearby
structures.
If you start to feel sick, dizzy, or weak after the machine has been running, move
to fresh air IMMEDIATELY. See a doctor. You could have carbon monoxide
poisoning.
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Safety Information HI750
1.5 Service Safety
Licensing/
training
Only qualified personnel who possess the proper certification or license
required by the locality, state, or province in which the machine is being installed
are allowed to make connections to natural gas or LP.
Only trained personnel should troubleshoot or repair electrical problems
occurring with the machine.
Cleaning
When cleaning and servicing the machine:
Keep the area around the burner free of debris such as leaves, paper, cartons,
etc.
Keep the machine clean and 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 parts.
Fumes from fuels and solvents can become explosive.
Maintenance
guidelines
When maintaining the machine:
Keep the fuel lines in good condition and properly connected.
Allow the burner to cool before maintaining the machine.
Reinstall the safety devices and guards after repairs and maintenance.
Keep all electrical cords away from heat, oil, vibrating surfaces, and sharp
edges.
Inspect all electrical cords before each use and replace damaged cords.
Replacing
parts and
labels
When maintaining the machine:
When replacement parts are required for this machine, use only Wacker
Neuson replacement parts or those parts equivalent to the original in all types of
specifications, such as physical dimensions, type, strength, and material.
Replace all missing and hard-to-read labels.
Replace or repair electrical components with components that are identical in
rating and performance as the original component.
Accessories,
safety devices,
and
modifications
When using the machine:
Use only accessories/attachments that are approved by Wacker Neuson.
When using the machine:
Never operate the machine if any safety devices or guards are missing or
inoperative.
Do not defeat safety devices.
Do not modify the machine without the express written approval of the
manufacturer.
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HI750 Safety Information
Personal
Protective
Equipment
(PPE)
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).
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Safety Information HI750
1.6 Safety Guidelines for Operating Gensets
This machine is built with user safety in mind; however, like any electrical device it
can present serious hazards if improperly operated and serviced. Follow
instructions carefully. Should questions arise during operation or service of this
equipment, contact your Wacker Neuson dealer.
General
precautions
Keep a multi-class, type ABC or equivalent fire extinguisher at hand when using
the genset. Refer to NFPA No. 10 for further information regarding fire
extinguishers.
Do not use evaporative starting fluids. They are highly explosive.
Do not store items such as excess oil, oil rags, or tools within the genset
compartment. Items stored within the genset compartment are a fire hazard and
can restrict cooling air.
Before
operating the
genset
Know how to start, operate, and stop the genset before starting it.
Obtain the proper training for operating the genset. Do not allow untrained
personnel to operate or service the genset.
Check the fuel lines and the fuel tank for leaks and cracks before starting the
engine.
Clean the genset of any spilled fuel.
DANGER
Carbon monoxide. Using a generator indoors CAN KILL YOU IN MINUTES.
Generator exhaust contains carbon monoxide (CO). This is a poison you cannot
see or smell. If you can smell the generator exhaust, you are breathing CO. But
even if you cannot smell the exhaust, you could be breathing CO.
WARNING
Electrocution hazard. Generators present special hazards during operation and
servicing. These include the risk of electrocution or severe electrical shock. Failure
to follow the safety information below can result in severe injury or death.
Read and follow the safety instructions in this Operator’s Manual.
Contact the genset manufacturer for additional information regarding the
genset.
WARNING
Internal combustion engines present special hazards during operation and fueling.
Failure to follow the warnings and safety instructions could result in severe injury or
death.
Read and follow the safety instructions in this Operator’s Manual.
Contact the genset manufacturer for additional information regarding the
genset.
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HI750 Safety Information
Running the
genset
Do not start the engine if fuel has spilled or a fuel odor is present.
Keep the area around the exhaust pipe free of flammable materials.
Do not smoke while operating the genset.
Keep sparks, flames, electrical arcs, and other sources of ignition far away from
the genset.
Do not touch the engine or muffler while the engine is running or immediately
after it has been turned off.
Do not overload the genset. The total amperage of the tools and equipment
attached to the genset must not exceed the load rating of the genset.
Do not operate the genset with wet hands.
Do not remove the radiator cap when the genset is running or hot.
Refueling
safety
When adding fuel to the fuel tank:
Do not smoke.
Do not refuel a hot or running engine.
When adding fuel to the fuel tank:
Keep sparks, flames, electrical arcs, and other sources of ignition far away from
the genset.
Refill the fuel tank only in a well-ventilated area.
Re-install the fuel tank cap after refueling.
Maintenance
safety
Only a trained technician should attempt to repair the genset.
Test procedures which require that the generator be running must be performed
using extreme caution.
Make sure clothing and shoes are dry, stand on a dry wooden platform or rubber
insulating mat, and use tools with insulated handles when servicing the genset.
Engine antifreeze is toxic to humans and animals. Clean up spills and dispose
of used engine antifreeze in accordance with local environmental regulations.
Make sure all fasteners are secure and torqued properly.
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Safety Information HI750
1.7 Safety Guidelines for Towing the Machine
When towing the machine:
Do not tow the machine if the towing vehicle’s hitch or the trailers coupler are
damaged.
Do not tow the machine if any of the trailer’s lug nuts are missing.
Do not tow the machine if the trailer’s tires have less than 1/16 inch (1.5 mm) of
tread.
Do not tow the machine unless the trailer’s brakes are functioning properly.
Do not exceed the trailer manufacturer’s speed limitations.
When towing the machine:
Only tow the machine when the trailer’s lug nuts are properly torqued.
Only tow the machine when the trailers tires are properly inflated.
Only tow the machine when all trailer lights are functioning correctly.
Only tow the machine when the trailer’s safety chains are connected to the
towing vehicle in a crisscross pattern.
Maintain extra distance between the towing vehicle and other vehicles.
Avoid soft shoulders, curbs, and sudden lane changes.
Abide by all licensing requirements for your area.
If you have not driven a towing vehicle with trailer before, practice turning,
stopping, and backing up the towing vehicle with trailer in an area away from traffic.
Only drive the towing vehicle with trailer when you are confident in your ability to do
so.
WARNING
Risk of severe injury or death. Improper trailer condition and towing technique can
lead to an accident.
Obey the trailer manufacturers instructions and the instructions below to reduce
the risk of an accident.
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Wacker Neuson HI750GMHD Manuel utilisateur

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