Generac Power Systems Magnum MWT500 Owner's Manual
Owner’s Manual
004806
Discount-Equipment.com
Water Trailer
MWT500
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SA VE THIS MANUAL FOR FUTURE REFERENCE
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(000393)
WARNING
Operating, servicing and maintaining this
equipment can expose you to chemicals
including engine exhaust, carbon monoxide,
phthalates, and lead, which are known to the
State of California to cause cancer and birth
defects or other reproductive harm. To
minimize exposure, avoid breathing exhaust,
do not idle the engine except as necessary,
service your equipment in a well-ventilated
area and wear gloves or wash your hands
frequently when servicing your equipment.
For more information go to
www.P65Warnings.ca.gov.
Use this page to record important information about your unit
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Unit Model Number
Unit Serial Number
Engine Model
Number
Engine Serial
Number
Generator Model
Number
Generator Serial
Number
Record the information found on your unit data label on
this page. See Unit Serial Number Locations.
Engine and generator serial nu mbe rs are located on da ta
plates affixed to the engine and generator, respectively.
When contacting a Generac Mobile Products Authorized
Service Dealer (GMP ASD) about parts and service,
always provide the unit model and serial number.
Operation and Maintenance: Proper maintenance and
care of the unit ensures a minimum number of problems
and keeps operating expenses at a minimum. It is the
operator’s responsibility to perform all safety checks, to
verify that all maintenance for safe operation is
performed promptly, and to have the equipment checked
periodically by a GMP ASD. Normal maintenance,
service, and replacement of parts are the responsibility of
the owner/operator and, as such, are not considered
defects in materials or workmanship within the terms of
the warranty. Individual operating habits and usage may
contribute to the need for additional maintenance or
service.
ii Owner’s Manual for MWT500 Water Trailer
Table of Contents
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Section 1: Introduction and Safety
Introduction ..........................................................1
Read This Manual Thoroughly ....................................1
How to Obtain Service ............ ... ... ... .... ... ... ... .... ... ... ... ..1
Safety Rules .........................................................1
General Hazards ..................................................2
Electrical Hazards ................................................2
Explosion and Fire Hazards ................................2
Trailer Hazards .....................................................2
Fuel Hazards ........................................................3
Engine Safety .......................................................3
Operating Safety ..................................................3
Towing Safety ......................................................4
Hitch and Coupling .... ... ... ............................................4
Running Lights ............................................................4
Wheels and Tires ........................................................4
Safe Towing Techniques ........................................... ..4
Section 4: Maintenance
Basic Schedule ..................................................13
Engine and Water Pump ...................................13
Long-Term Storage ...................................................13
Jack ....................................................................14
Side-Wind Models . .... ... ... ... .... ... ... ... ... .... ... ... ... .... ... ...14
Top-Wind Models ......................................................14
Section 5:Troubleshooting
Section 6:Wiring Diagrams
Trailer .................................................................17
Wiring Harness—Electric Brake Option ..........18
Section 7:Service Log
Reporting Trailer Safety Defects ........................4
Section 2: General Information
Unit Specifications ..............................................5
Unit Serial Number Locations ............................6
Component Locations .........................................7
Trailer Tongue and Storage Bin ..................................7
Filling and Discharging Water .....................................8
Section 3: Operation
Preparing Unit for Use .........................................9
Using Valves and Cam Locks .............................9
Filling Water Tank ................................................9
Hydrant as Fill Source ........ .... ... ... ...............................9
Reservoir as Fill Source ............................................10
Discharging Water from Tank ...........................10
Using Rear Spray Bar ...............................................10
Using 2-Inch Flexible Spray Hose .......... ... ... .... ... ......10
Using 5/8-Inch Flexible Spray Hose ..........................11
Using Gravity Drain Bibb ...........................................11
Adjusting Rear Spray Bar .................................11
Draining Water from System ............................12
Owner’s Manual for MWT500 Water Trailer iii
Section 1: Introduction and Safety
(000100a)
WARNING
Consult Manual. Read and understand manual
completely before using product. Failure to
completely understand manual and product
could result in death or serious injury.
(000001)
DANGER
Indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
(000002)
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
(000003)
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
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Introduction and Safety
Introduction
Thank you for purchasing a Generac Mobile Products, LLC
product. This unit has been designed to provide high
performance, efficient operation, and years of use when
maintained properly.
The information in this manual is accurate based on
products produced at the time of publication. The
manufacturer reserves the right to make technical update s,
corrections, and product revisions at any time without
notice.
Read This Manual Thoroughly
The owner is responsible for proper maintenance and safe
use of the equipment. Comply with regulations the
Occupational Safety and Health Administration (OSHA)
has established, or with equivalent standards. Also, verify
the unit is applied, used, and maintained in accordance with
the manufacturer's instructions and recommendations. Do
nothing that might alter safe application/usage and render
the unit in noncompliance with the aforementioned codes,
standards, laws, and regulations
.
Safety Rules
The manufacturer cannot anticipate every possible circumstance that might involve a hazard. The alerts in this
manual, and on tags and decals affixed to the u nit, are not
all inclusive. If using a procedure, work method, or operating technique that the manufacturer does not specifically
recommend, verify that it is safe for others and does not
render the equipment unsafe.
Throughout this publication, and on tags and decals affixed
to the unit, DANGER, WARNING, CAUTION, and NOTE
blocks are used to alert personnel to special instructions
about a particular operation that may be hazardous if
performed incorrectly or carelessly. Observe them
carefully. Alert definitions are as follows:
Save these instructions for future reference. This manual
contains important instructions for the unit that should be
followed during setup, operation, and maintenance of the
unit and battery. ALWAYS supply this manual to any
individual who will use this machine.
How to Obtain Service
When the unit requires servicing or repairs, contact a
Generac Mobile Products Authorized Dealer for assistance.
Service technicians are factory-trained and are capable of
handling all service needs.
Mobile Products Authorized Dealer about parts and
service, always supply the complete model number and
serial number of the unit as given on the data decal
located on the unit (see Figure 2-1). Record the model
number and serial numbers in the spaces provided on the
inside front cover of this manual.
Owner’s Manual for MWT500 Water Trailer 1
When contacting a Generac
NOTE: Notes contain additional information important to
a procedure and will be found within the regular text of
this manual.
These safety alerts cannot eliminate the hazards that they
indicate. Common sense and strict compliance with the
special instructions while performing the action or service
are essential to preventing accidents.
Introduction and Safety
Asphyxiation. Running engines produce
carbon monoxide, a colorless, odorless,
poisonous gas. Carbon monoxide, if not
avoided, will result in death or serious injury.
(000103)
DANGER
(000107)
WARNING
Hearing Loss. Hearing protection is
recommended when using this machine.
Failure to wear hearing protection could
result in permanant hearing loss.
(000111)
WARNING
Moving Parts. Keep clothing, hair, and
appendages away from moving parts. Failure
to do so could result in death or serious injury.
(000108)
WARNING
Hot Surfaces. When operating machine, do not
touch hot surfaces. Keep machine away from
combustibles during use. Hot surfaces could
result in severe burns or fire.
WARNING
Risk of injury. Do not operate or service this machine
if not fully alert. Fatigue can impair the ability to service
this equipment and could result in death or serious
injury.
(000215)
(000139)
WARNING
Risk of burns. Allow engine to cool before
draining oil or coolant. Failure to do so could
result in death or serious injury.
(000104)
DANGER
Electrocution. Water contact with a power
source, if not avoided, will result in death
or serious injury.
(000105)
DANGER
Explosion and Fire. Fuel and vapors are
extremely flammable and explosive. Add fuel
in a well ventilated area. Keep fire and spark
away. Failure to do so will result in death
or serious injury.
(000147)
WARNING
Risk of Fire. Unit must be positioned in a
manner that prevents combustible material
accumulation underneath. Failure to do so
could result in death or serious injury.
(000110)
WARNING
Risk of Fire. Hot surfaces could ignite
combustibles, resulting in fire. Fire could
result in death or serious injury.
WARNING
Personal injury. Trailer must be securely coupled to
the hitch with the chains correctly attached. Uncoupled
or unchained towing could result in death or serious
injury.
(000233a)
(000234a)
WARNING
Crushing hazard. Verify unit is properly secured and
on level ground. An unsecured unit can suddenly roll
or move, causing death or serious injury.
WARNING
Property or Equipment Damage. Tighten wheel lug
nuts after first 50 miles to factory specifications.
Failure to do so could result in death, serious injury,
property or equipment damage.
(000235)
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General Hazards
Explosion and Fire Hazards
Electrical Hazards
Tr ailer Hazards
2 Owner’s Manual for MWT500 Water Trailer
Fuel Hazards
(000105)
DANGER
Explosion and Fire. Fuel and vapors are
extremely flammable and explosive. Add fuel
in a well ventilated area. Keep fire and spark
away. Failure to do so will result in death
or serious injury.
(000143)
DANGER
Explosion and Fire. Fuel and vapors are extremely
flammable and explosive. Store fuel in a well
ventilated area. Keep fire and spark away. Failure
to do so will result in death or serious injury.
(000192)
DANGER
Explosion and fire. Fuel and vapors are extremely
flammable and explosive. No leakage of fuel is
permitted. Keep fire and spark away. Failure to do
so will result in death or serious injury.
(000174)
DANGER
Risk of fire. Allow fuel spills to completely dry
before starting engine. Failure to do so will
result in death or serious injury.
(000179b)
DANGER
Asphyxiation. The exhaust system must be properly
maintained. Do not alter or modify the exhaust system
as to render it unsafe or make it noncompliant with
local codes and/or standards. Failure to do so will
result in death or serious injury.
Asphyxiation. Running engines produce
carbon monoxide, a colorless, odorless,
poisonous gas. Carbon monoxide, if not
avoided, will result in death or serious injury.
(000103)
DANGER
(000147)
WARNING
Risk of Fire. Unit must be positioned in a
manner that prevents combustible material
accumulation underneath. Failure to do so
could result in death or serious injury.
DANGER
Not for human consumption. Water in tank is not
potable. Using tank water for human consumption
will result in death or serious injury.
(000361)
(000111)
WARNING
Moving Parts. Keep clothing, hair, and
appendages away from moving parts. Failure
to do so could result in death or serious injury.
(000117b)
Personal injury. Rick of fluid injection.
Do not aim spray gun at people, animals,
electrical devices, or fragile items. Keep out
of reach of children. Failure to do so
may cause death or serious injury.
WARNING
WARNING
Personal injury. Failure to properly connect
lifting cables, chains, or straps could result in
death, serious injury, or property damage.
(000346)
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Introduction and Safety
• DO NOT clean air filter with gasoline or other types
of low flash point solvents.
• Shut off engine if any of the following conditions
exist during operation.
• Abnormal change in engine speed
• Loss of pumping output
• Sparking occurs
• Engine misfires or there is excessive engine
vibration
Operating Safety
• DO NOT operate with the fuel tank cap loose or
missing.
Engine Safety
Internal combustion engines present special hazards
during operation and fueling. Failure to follow the safety
guidelines described below could result in severe injury or
death. Read and follow all safety alerts described in the
engine operator's manual. A copy of this manual was
supplied with the unit when it was shipped from the factory .
• The area immediately surrounding the unit should
be dry, clean, and free of debris.
• Position and operate the unit on a firm, level
surface.
• Always keep water tank cover in place.
• DO NOT enter tank.
Owner’s Manual for MWT500 Water Trailer 3
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