Owner’s Manual
Light Tower
MLTS
008615
For technical assistance contact:
www.generacmobileproducts.com
Technical Service
1-800-926-9768
SA VE THIS MANUAL FOR FUTURE REFERENCE
Use this page to record important information about your light tower
(000394)
WARNING
Breathing diesel engine exhaust exposes you
to chemicals known to the State of California
to cause cancer and birth defects or other
reproductive harm.
• Always start and operate the engine in a
well-ventilated area.
• If in an enclosed area, vent the exhaust to
the outside.
• Do not modify or tamper with the exhaust
system.
• Do not idle the engine except as necessary.
For more information go to
www.P65Warnings.ca.gov/diesel.
(000393a)
WARNING
CANCER AND REPRODUCTIVE HARM
www.P65Warnings.ca.gov.
Record the information found on your unit data label on
Unit Model No.
Unit Serial No.
Engine Model No.
Engine Serial No.
Generator Model No.
Generator Serial No.
this page. See unit serial number location (Unit Serial
Number Locations). The label plate is affixed to the
inside partition, to the left of the control panel console.
Engine and generator serial numbers are located on
separate data plates affixed to the engine and generator.
When contacting a Generac Mobile Authorized Service
Dealer (GMASD) about parts and service, supply the
complete model number and serial number of the unit.
Operation and Maintenance: Proper maintenance and
care of the light tower 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 GMASD. Normal maintenance, service
and replacement of parts are the responsibility of the
owner or 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
Table of Contents
Section 1:Introduction and Safety
Introduction ..........................................................1
Read This Manual Thoroughly ....................................1
Safety Rules .........................................................1
How to Obtain Service .................................................1
General Hazards ..................................................2
Explosion and Fire Hazards ................................2
Trailer Hazards .....................................................2
Electrical Hazards ................................................3
Battery Hazards ...................................................3
Fuel Hazards ........................................................4
Engine Safety .......................................................4
Operating Safety ..................................................4
Positioning the Unit .....................................................4
Starting the Unit ...........................................................4
Raising and Lowering the Mast ...................................5
Service Safety ......................................................5
Towing Safety ......................................................5
Hitch and Coupling ......................................................5
Running Lights ............................................................6
Wheels and Tires ........................................................6
Safe Towing Techniques .............................................6
Reporting Trailer Safety Defects ........................6
Section 3: Operation
Light Tower Setup ............................................. 19
Raising Mast—Manual Winch .......................... 20
Raising Mast—Electric Winch (If Equipped) ... 21
Prestart Checklist .............................................. 22
Starting the Unit ................................................22
Operating the Lights ......................................... 23
Engine Derating ................................................. 23
Customer Convenience Receptacles (If
Equipped) ........................................................... 23
Load Limit and Overload ...........................................23
Shutting Down the Unit ..................................... 23
Removing Loads from Receptacles (If Equipped) ..... 23
Shutting Down the Unit .............................................. 23
Automatic Shutdown ........................................ 24
Storing the Unit ................................................. 24
Lowering Mast—Manual Winch ....................... 24
Lowering Mast—Electric Winch (If Equipped) 24
Manually Lowering Electric Mast ............................... 25
Positive Air Shutdown (PAS)
(If Equipped) ...................................................... 25
Test the PAS ............................................................. 25
Reset the PAS ...........................................................25
Safety and Operating Decals ..............................7
Section 2:General Information
Specifications ....................................................11
Unit Serial Number Locations ..........................12
Trailer Tongue Storage and Tow Positions .....13
Place Trailer Tongue in Tow Position ........................13
Place Trailer Tongue in Storage Position ..................14
Unit Dimensions ................................................15
Component Locations .......................................16
Control Panel .....................................................18
Lower Radiator Hose Heater
(If Equipped) ...................................................... 26
Tandem Tow (If Equipped) ............................... 26
Telemetry (If Equipped) .................................... 26
Spark Arrester (If Equipped) ............................ 26
Heated Fuel Filter (If Equipped) ....................... 26
Towing the Unit ................................................. 26
Lifting the Unit ................................................... 27
Tying Down the Unit .......................................... 28
Section 4:Maintenance
Emissions Information ...................................... 29
Daily Walk-Around Inspection ......................... 29
General Maintenance ........................................ 29
Preparing for Service .................................................29
Cleaning the Unit .......................................................29
Owner’s Manual for Mobile Light Tower iii
Inspecting the Unit .................................................... 29
Basic Maintenance Schedule ...........................30
Manual Winch: Use, Operation, and
Maintenance .......................................................31
Prior to Use ............................................................... 31
Operation .................................................................. 31
Maintenance ............................................................. 31
Electric Winch (If Equipped): Use, Operation, and
Maintenance .......................................................31
Winch Mechanical Brake .......................................... 31
Trailer Wheel Bearings ......................................32
Jack Maintenance ..............................................32
Section 5: Troubleshooting
General Troubleshooting ..................................33
Troubleshooting the Lights ..............................34
Section 6:Wiring Diagrams
Mast Junction Box Wiring and Light Connec-
tions ....................................................................35
AC Analog (1 of 2) ..............................................36
AC Analog (2 of 2) ..............................................37
DC Analog ..........................................................38
iv Owner’s Manual for Mobile Light Tower
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.
Introduction
Thank you for purchasing a Generac Mobile 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 updates, corrections,
and product revisions at any time without notice.
Read This Manual Thoroughly
If any section of the manual is not understood, contact your
nearest GMASD, or contact
9768
or
www.generacmobileproducts.com
questions or concerns.
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
that 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
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 that will use this machine.
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 unit, 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:
Owner’s Manual for Mobile Light Tower 1
Generac Mobile at 1-800-926-
.
with any
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.
How to Obtain Service
Whe n t he uni t r eq uir es se rvi ci ng or r ep ai rs, co nt act a GM AS D
for assistance. Service technicians are factory-trained and
are capable of handling all service needs. For assistance
locating a dealer, visit
parts-service/find-service
about parts and service, always supply the complete model
number and serial number of the unit as given on its data
decal located on the unit. Record the model number and
serial numbers in the spaces provided on the inside front
er of this manual.
cov
www.generacmobileproducts.com/
.
When contacting a GMASD
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.
(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)
Personal injury. Do not operate unit during transport.
Doing so could result in death, serious injury, or
property damage.
(000231a)
WARNING
(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)
General Hazards Explosion and Fire Hazards
Trailer Hazards
2 Owner’s Manual for Mobile Light Tower
Electrical Hazards Battery Hazards
(000145)
DANGER
Electrocution. In the event of electrical accident,
immediately shut power OFF. Use non-conductive
implements to free victim from live conductor. Apply
first aid and get medical help. Failure to do so will
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.
(000144)
DANGER
Electrocution. Contact with bare wires,
terminals, and connections while generator
is running will result in death or serious injury.
(000152)
DANGER
Electrocution. Verify electrical system is
properly grounded before applying power.
Failure to do so will result in death or serious
injury.
(000188)
DANGER
Electrocution. Do not wear jewelry while
working on this equipment. Doing so will
result in death or serious injury.
DANGER
Electrocution. DO NOT use the unit if
electrical cord is cut or worn through. Doing
so will result in death or serious injury.
(000263a)
(000188)
DANGER
Electrocution. Do not wear jewelry while
working on this equipment. Doing so will
result in death or serious injury.
(000137a)
WARNING
Explosion. Batteries emit explosive gases while
charging. Keep fire and spark away. Wear protective
gear when working with batteries. Failure to do so
could result in death or serious injury.
(000162)
WARNING
Explosion. Do not dispose of batteries in a fire.
Batteries are explosive. Electrolyte solution can cause
burns and blindness. If electrolyte contacts skin or eyes,
flush with water and seek immediate medical attention.
(000163a)
WARNING
Risk of burn. Do not open or mutilate batteries.
Batteries contain electrolyte solution which can
cause burns and blindness. If electrolyte contacts
skin or eyes, flush with water and seek immediate
medical attention.
WARNING
(000228)
Environmental Hazard. Always recycle batteries at an
official recycling center in accordance with all local
laws and regulations. Failure to do so could result in
environmental damage, death, or serious injury.
Introduction and Safety
Owner’s Manual for Mobile Light Tower 3
Always recycle batteries in accordance with local laws and
regulations. Contact your local solid waste collection site
or recycling facility to obtain information on local recycling
processes. For more information on battery recycling, visit
the Battery Council International website at: http://
batterycouncil.org
Introduction and Safety
(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.
(000260a)
High Voltage. Verify area above unit is clear
of overhead wires and obstructions. Contact
with high-voltage power lines will result in
death or serious injury.
DANGER
(000277)
WARNING
Burn hazard. Never operate lights with a
damaged or missing lens cover. Lamps are
hot and pressurized while in use. Unprotected
lamps can shatter, causing severe injury.
DANGER
Electrocution. DO NOT use the unit if
electrical cord is cut or worn through. Doing
so will result in death or serious injury.
(000263a)
CAUTION
(000291)
Equipment damage. Do not attempt to start or operate
a unit in need of repair or scheduled maintenance.
Doing so could result in serious injury, death, or
equipment failure or damage.
WARNING
Fuel Hazards
• DO NOT fill fuel tank near an open flame, while
smoking, or while engine is running. DO NOT fill
tank in an enclosed area with poor ventilation.
• 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.
Operating Safety
Positioning the Unit
The area immediately surrounding the unit should
•
be dry, clean, and free of debris.
• Position and operate the unit on a firm, level
surface.
• If the unit is equipped with a frame grounding stud,
follow any local, state, and National Electrical Code
(NEC) guidelines when connecting.
Starting the Unit
• DO NOT run engine indoors or in an area with poor
ventilation. Make sure engine exhaust cannot seep
into closed rooms or ventilation equipment.
• DO NOT clean air filter with gasoline or other types
of low flash point solvents.
• DO NOT operate the unit without a functional
exhaust system.
• Shut the engine down if any of the following
conditions exist during operation:
• Noticeable change in engine speed.
• Loss of electrical output.
• Equipment connected to the unit overheats.
• Sparking occurs.
• Engine misfires or there is excessive engine/
generator vibration.
• Protective covers are loose or missing.
• Ambient air temperature is above 120 °F (49 °C).
4 Owner’s Manual for Mobile Light Tower
Introduction and Safety
WARNING
Electrocution. Do not set up or operate
this unit if severe weather is expected.
Lightning strikes can kill or cause severe injury
even if you are not touching the unit.
(000296)
WARNING
(000345)
Personal Injury. Do not set-up or operate unit
in high winds. Doing so could result in death,
serious injury, property, or unit damage.
(000279)
Personal injury or equipment damage. Do not raise
or lower the mast while the unit is operating.
Doing so can break the lenses and cause the
lamps to shatter.
WARNING
WARNING
Personal Injury. Stop immediately if the mast hangs
up or the winch cable develops slack. Excess slack
could cause the mast to collapse, resulting in personal
injury or equipment damage.
(000265)
WARNING
(000266)
Tipping hazard. Extend the outriggers and level the unit
before raising the mast. Keep the outriggers extended while
the mast is up. Failure to do so could cause the unit to tip
and fall and could result in death or serious injury.
(000148a)
WARNING
Accidental start-up. Disconnect negative battery
terminal before servicing to prevent accidental engine
rotation. Failure to do so could result in death or
serious injury.
Raising and Lowering the Mast
Keep area around the unit clear of people while
•
raising and lowering the mast.
• ALWAYS lower the mast when not in use.
• The tower extends up to 23 ft (7 m). Verify area
above trailer is open and clear of overhead wires
and obstructions.
• If for any reason any part of the mast hangs up or
winch cable develops slack while raising or
lowering tower, stop immediately and contact a
GMASD.
• NEVER remove safety pin or pull mast locking pin
while tower is up.
Owner’s Manual for Mobile Light Tower 5
Service Safety
This unit uses high voltage circuits capable of causing
serious injury or death. Only a qualified and licensed
electrician should troubleshoot or repair problems
occurring in this equipment.
• Before servicing the unit, verify the control power
switch and circuit breakers are OFF (O), and the
negative (-) terminal on the battery is disconnected. DO NOT perform even routine service (oil/
filter changes, cleaning, etc.) unless all electrical
components are shut down.
• ALWAYS use extreme caution when servicing this
unit in damp conditions. Do not service the unit if
skin or clothing is wet. Do not allow water to collect
around the base of the unit.
• DO NOT wash the unit with high pressure hoses,
power washers, or steam cleaners. Water may
collect in the unit, causing damage to electrical
parts.
• Replace all missing and hard to read decals.
Decals provide important operating instructions
and warn of dangers and hazards.
• Wear heavy leather gloves when handling winch
cables. Never let cables slip through bare hands.
• Only use mild soap and water to clean the lens
covers. Other chemicals may damage the lens
covers.
Towing Safety
Towing a trailer requires care. Both the trailer and vehicle
must be in good condition and securely fastened to each
other to reduce the possibility of an accident. Some states
require that large trailers be registered and licensed.
Contact your local Department of Transportation office to
check on license requirements for your particular unit.
Hitch and Coupling
•
Verify the hitch and coupling on the towing vehicle
are rated equal to, or greater than, the trailer's
gross vehicle weight rating (GVWR).
• Verify the trailer hitch and the coupling are compat-
ible. Verify the coupling is securely fastened to the
vehicle.
• DO NOT tow trailer using defective parts. Inspect
the hitch and coupling for wear or damage.
Introduction and Safety
• Connect safety chains in a crossing pattern under
the tongue.
• Before towing the trailer, verify that the weight of
the trailer is equal across all tires. On trailers with
adjustable height hitches, adjust the angle of the
trailer tongue to keep the trailer as level as
possible.
Running Lights
Verify directional and brake lights on the trailer are
connected and working properly.
Wheels and Tires
•
Inspect trailer tires for wear and proper inflation.
• Verify wheel lug nuts are present and tightened to
the specified torque.
Safe Towing Techniques
•
Practice turning, stopping, and backing up in an
area away from heavy traffic prior to transporting
the unit.
• Maximum recommended speed for highway towing
is 45 mph (72 km/h). Recommended off-road towing speed is 10 mph (16 km/h) or less, depending
on terrain.
• When towing, maintain extra space between vehi-
cles and avoid soft shoulders, curbs, and sudden
lane changes.
Reporting Trailer Safety Defects
If you believe your trailer has a defect which could cause
a crash or could cause injury or death, you should
immediately inform the National Highway Traffic Safety
Administration (NHTSA) in addition to notifying Generac
Mobile.
If NHTSA receives similar complaints, it may open an
investigation; and if it finds that a safety defect exists in a
group of vehicles, it may order a recall and remedy
campaign. However, NHTSA cannot become involved in
an individual problem between you, your dealer, or
Generac Mobile.
To contact NHTSA, you may either call the Auto Safety
Hotline toll-free at 1-888-327-4236 (TTY:1-800-424-9153),
go to http://www.safercar.gov; or write to:
Administrator
NHTSA
1200 New Jersey Avenue S.E.
Washington, DC 20590
You can also obtain other information about motor vehicle
safety from http://www.safercar.gov.
6 Owner’s Manual for Mobile Light Tower
Safety and Operating Decals
Introduction and Safety
See Figure 1-1 through Figure 1-3. This unit features
numerous safety and operating decals. These decals
provide important operating instructions and warn of
dangers and hazards. The following diagrams illustrate
Replace any missing or hard-to-read decals and use care
when washing or cleaning the unit. Decal part numbers
can be found in the parts manual at
www.generacmobileproducts.com.
decal locations and descriptions.
ID Description ID Description
1 Setup and Take-Down Instructions (Electric) 16 Control Panel Label (not shown)
2 Setup and Take-Down Instructions (Manual) 17 Neutral Bonded to Frame
3 Danger—Overhead Power Lines 18 Not A Step
4 Warning—Electrical Storms and High Wind 19 Warning—High Temperature: Do Not Remove Guard
5 Owner’s Manual Location 20 Mast Junction Box Wiring (inside)
6 Electric Shock Hazard 21 Warning—Do Not Retract Outriggers With Tower Up
7 Warning—Hot Surface 22 Stowed Position
8 Warning—Pressurized Liquid 23 Lifting Point
9 Warning—Entanglement Hazard 24 Forklift and Tie-Down Point
10 Warning—Cutting Hazard 25 Engine Operation
11 Disconnect Battery Before Servicing 26 Ultra Low Sulfur Diesel Fuel Only
12 Danger—Carbon Monoxide 27 Danger—Fuel and Fueling Hazards
13 Electrical Ground Connection 28 Tie-Down Point
14 Danger—Winch Operation 29 Towing Instructions
15 Warning—Diesel Exhaust
Owner’s Manual for Mobile Light Tower 7
Introduction and Safety
1 Inch
(25 mm)
10000035325
0°±5°
0°±5°
1 Inch
(25 mm)
10000035402
008626
1
2
Figure 1-1. Decal Locations (1 of 3)
8 Owner’s Manual for Mobile Light Tower
Introduction and Safety
NOTICE
HINWEIS
AVISO
AVIS
BREATHING DIESEL ENGINE EXHAUST EXPOSES YOU TO CHEMICALS KNOWN
TO THE STATE OF CALIFORNIA TO CAUSE CANCER AND BIRTH DEFECTS OR
OTHER REPRODUCTIVE HARM.
1). ALWAYS START AND OPERATE THE ENGINE IN A WELL-VENTILATED AREA.
2). IF IN AN ENCLOSED AREA, VENT THE EXHAUST TO THE OUTSIDE.
3). DO NOT MODIFY OR TAMPER WITH THE EXHAUST SYSTEM.
4). DO NOT IDLE THE ENGINE EXCEPT AS NECESSARY.
5). FOR MORE INFORMATION, GO TO WWW.P65WARNINGS.CA.GOV/DIESEL
RESPIRAR EL ESCAPE DEL MOTOR DIESEL LO EXPONE A SUSTANCIAS
QUÍMICAS QUE EL ESTADO DE CALIFORNIA RECONOCE COMO CAUSANTES
DE CÁNCER Y DEFECTOS CONGÉNITOS U OTROS DAÑOS REPRODUCTIVOS.
1). SIEMPRE ARRANQUE Y OPERE EL MOTOR EN UN ÁREA BIEN VENTILADA.
2). SI ESTÁ EN UN ÁREA CERRADA, VENTILE EL ESCAPE HACIA EL EXTERIOR.
3). NO MODIFIQUE NI ALTERE EL SISTEMA DE ESCAPE.
4). NO HAGA FUNCIONAR EL MOTOR EN RALENTÍ, EXCEPTO SEGÚN SEA
NECESARIO.
5). PARA OBTENER MÁS INFORMACIÓN, VISITE
WWW.P65WARNINGS.CA.GOV/DIESEL
L’INHALATION DES GAZ D’ÉCHAPPEMENT D’UN MOTEUR DIESEL VOUS EXPOSE
À DES SUBSTANCES QUE L’ÉTAT DE CALIFORNIE A DÉCLARÉES RESPONSABLES
DE CANCER ET DE MALFORMATIONS CONGÉNITALES OU AUTRES ANOMALIES
DE LA REPRODUCTION.
1). TOUJOURS DÉMARRER ET FAIRE FONCTIONNER LE MOTEUR DANS UN
ENDROIT BIEN AÉRÉ.
2). S’IL EST DANS UN ENDROIT FERMÉ, ÉVACUER L’ÉCHAPPEMENT VERS
L’EXTÉRIEUR.
3). NE PAS MODIFIER NI ALTÉRER LE SYSTÈME D’ÉCHAPPEMENT.
4). NE PAS LAISSER LE MOTEUR TOURNER À VIDE PLUS QUE NÉCESSAIRE.
5). POUR PLUS D’INFORMATION, ALLER À WWW.P65WARNINGS.CA.GOV/DIESEL
10000038540
WARNUNG
ADVERTENCIA
AVERTISSEMENT
WARNING
NEUTRAL BONDED TO FRAME
NULLLEITER AM RAHMEN ANGESCHLOSSEN
NEUTRO CONECTADO AL BASTIDOR
POSITION NEUTRE LORSQUE FIXÉ AU CADRE
CARBON MONOXIDE
DANGER
GEFAHR
PELIGRO
DANGER
Débrancher la batterie avant de faire l’entretien.
Disconnect battery before servicing.
Vor der Instandsetzung die Batterieverbindungen lösen.
Desconecte la batería
antes de realizar el servicio técnico.
Nicht bei Windgeschwindigkeit von mehr
als 95 km/h oder bei Gewitter aufstellen.
No instalar cuando el viento exceda los
95 km/h o durante tormentas eléctricas.
Ne pas installer dans des vents excédant
60 mph ou pendant les orages electriques.
DO NOT set up unit in winds exceeding
60 mph, or during electrical storms.
ELECTRICAL STORMS & HIGH WIND
> 60 mph
WARNING
Der kontakt mit elektrischen
Hochspannungsleitungen kann zu schweren
oder lebensgefährlichen Verletzungen
führen. Den Beleuchtungswagen nie direkt
unter Hochspannungsleitungen aufstellen.
El contacto con las líneas electricas
elevadas podría causar lesiones serias o la
muerte. No posicione la torre de iluminación
debajo de líneas electricas.
Le contact avec des câbles électriques
suspendus causera des blessures graves ou
la mort. Ne pas positionner la tour
lumineuse sous des câbles électriques.
Contact with overhead electrical power lines
will cause serious injury or death. Do not
position light tower under electrical power lines.
OVERHEAD POWER LINES
DANGER
GEFAHR
PELIGRO
DANGER
008627
10
9
8
7
6
5
4
3
14
13
12
11
19
18
17
15
13
16
7
Figure 1-2. Decal Locations (2 of 3)
Owner’s Manual for Mobile Light Tower 9
Introduction and Safety
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No retraiga estabilizadores con la torre de
arriba.
Ne pas retirer les stabilisateurs avec la
tour vers le haut.
'2127 retract outriggers with tower up.
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NOTICE
HINWEIS
AVISO
AVIS
6+87'2:1
ABSCHALTUNG
APAGADO
ARRÊT
(1*,1(23(5A7,21
MOTORBETRIEB
OPERACIÓN DEL MOTOR
FONCTIONNEMENT DU MOTEUR
0$18$L/2&ATED
,16,'(+22'
$&&,5&8,7
%5($.(5
0$,1$&
&,5&8,7
%5($.(5
$&&,5&8,7
%5($.(5
0$,1$&
&,5&8,7
%5($.(5
6+87'2:1
ABSCHALTUNG
APAGADO
ARRÊT
(1*,1(23(5$7,21
MOTORBETRIEB
OPERACIÓN DEL MOTOR
FONCTIONNEMENT DU MOTEUR
0$18$//2&$7('
,16,'(+22'
008631
27
26
24
25
24
20
6
22
21
23
18
29
28
25
14
10 Owner’s Manual for Mobile Light Tower
Figure 1-3. Decal Locations (3 of 3)
Section 2: General Information
Specifications
Description Unit of Measure Standard Unit Export Power Option
Engine
Make (Model) —
EPA Certification Tier 4 4
Fuel Consumption—Lights Only
Battery—Group Number — 24 24
Battery—Voltage (Qty. Per Unit) VDC (qty) 12 (1) 12 (1)
Battery—Rating CCA 440 440
Capacities
Fuel Tank Volume gal (L) 42 (159) 42 (159)
Usable Fuel Volume gal (L) 39.9 (151) 39.9 (151)
Coolant (Incl. Engine) qt (L) 4.1 (3.9) 4.1 (3.9)
Oil (Incl Filter) qt (L) 3.5 (3.4) 3.5 (3.4)
Maximum Run Time (Lights Only) hr 190 190
Generator
Make (Model) —
Power Output kW (kVA) 1.4 (1.4) 2.4 (2.4)
Output Voltage V 120 (1Ø) 120 (1Ø)
Output Amperes A 11.6 20
Frequency Hz 60 60
AC Distribution
Circuit Breaker Size A 15 20
Lighting
Lighting Type — Light-emitting diode (LED) Light-emitting diode (LED)
Brightness lm 172,200 172,200
Trailer
Hitch—Standard size, type 2 in (51 mm) ball 2 in (51 mm) ball
Maximum Tire Pressure psi (kPA) 50 (345) 50 (345)
Weight
Dry lb (kg) 1,110 (503.5) 1,185 (537.5)
Operating lb (kg) 1,415 (641.8) 1,440 (653.2)
Specifications are subject to change without notice.
gph (Lph) 0.21 (0.79) 0.21 (0.79)
Mitsubishi® (L2E) Mitsubishi® (L2E)
Marathon Electric
(201CSA5430)
®
Marathon Electric
(201CSA5411)
®
Owner’s Manual for Mobile Light Tower 11
General Information
VIN Tag
Unit ID Tag
(Located on top of control box)
TIRE AND LOADING INFORMATION
RENSEIGNEMENTS SUR LES
PNEUS ET LE CHARGEMENT
SEE OWNER’S
MANUAL FOR
ADDITIONAL
INFORMATION
VOIR LE
MANUEL DE
L’USAGER
POUR
PLUS DE
RENSEIGNEMENTS
MANUFACTURED BY/FABRIQUE PAR: Generac Mobile Products LLC
DATE: 00/0000
GVWR/PNBV: 000KG (0000LBS)
COLD INF. PRESS./
PRESS.DE
V.I.N./N.I.V.:
00000000000000000
TYPE: TRAIL ER
MODEL:
XXX000
GAWR / PNBE TIRE / PNEU RIM / JANTE GONF A FROID - KPA(PSI/LPC) SGL / DUAL
EACH
AXLE
THIS VEHICLE CONFORMS TO ALL APPLICABLE STANDARDS PRESCRIBED UNDER THE U.S. FEDERAL MOTOR VEHICLE SAFETY STANDARDS(FMVSS) AND CANADIAN
MOTOR VEHICLE SAFETY REGULATIONS IN EFFECT ONTHE DATE OF MANUFACTURE.
CE VEHICULE EST CONFORME A TOUTES LES NORMES QUI LUI SONT APPLICABLES EN VERTU DU REGLEMENT SUR LA SECURITE DES VEHICULES AUTOMOBILES
DU CANADA EN VIGUEUR A LA DATE SA FABRICATION.
The weight of cargo should never exceed 0000KG (0000LBS)
Le poids du chargement ne doit jamais depasser 0000KG (0000LBS)
Serial Number
V
A
Model
KVA
Manufacturing Code
1 ph. 1.0PF 3 ph. .8PF 3 ph. 1.0PF
KW
Country of Origin
Weight (lbs/kg) RPM/Frequency
Rating
Ins. Class
FOR ELECTRICAL EQUIPMENT
ONLY. POUR MATERIAL
ELECTRIQUE SEULEMENT.
209649
Form: SFC626B
Manufactured by Generac Mobile Products LLC
(920) 361-4442 (800) 926-9768
Unit Serial Number Locations
Refer to the illustration to locate the unit ID tag and
Vehicle Identification Number (VIN) tag on the unit.
Important information, such as the unit serial number,
model number, VIN, and tire loading information are
found on these tags. Record the information from these
tags so it is available if the tags are lost or damaged.
When ordering parts or requesting assistance, you may
be asked to provide this information.
Figure 2-1. Serial Number Locations
12 Owner’s Manual for Mobile Light Tower
Trailer Tongue Storage and Tow
A
B
C
003517
D
CAUTION
(000313)
Pinching and crushing hazard. To avoid
possible injury, keep fingers away from pivot
point when folding or unfolding trailer tongue.
003519
Positions
The trailer tongue is designed to fold upright for shipping
and storage.
IMPORTANT NOTE: Do not attempt to tow the unit
with trailer tongue in the storage position.
Place Trailer Tongue in Tow Position
1. Verify unit is on a level surface and wheels are
blocked.
NOTE: See Figure 2-2. Unit ships from factory with jack
in the storage location (A).
General Information
6. See Figure 2-4. Using both hands, slowly lower
trailer tongue into tow position.
NOTE: Varying levels of effort may be required
depending on terrain.
003591
Figure 2-2. Jack and Pin Locations
2. Remove clevis securing jack parallel to ground.
3. Remove jack from tongue weldment. Hold jack
vertically and extend until weldment on jack is
aligned with tongue weldment.
4. See Figure 2-3. Install jack and secure with clevis
(D).
Figure 2-4. Lower Trailer Tongue into Tow Position
7. See Figure 2-5. Install pins as shown to secure
trailer tongue in tow position.
003592
Figure 2-5. Install and Secure Pins
5. See Figure 2-2. Remove pins (B) and (C).
Figure 2-3. Jack Installed
Owner’s Manual for Mobile Light Tower 13
General Information
003593
C
B
A
CAUTION
(000313)
Pinching and crushing hazard. To avoid
possible injury, keep fingers away from pivot
point when folding or unfolding trailer tongue.
003520
C
B
A
Place Trailer Tongue in Storage Position
1. Verify unit is on a level surface and wheels are
blocked.
2. See Figure 2-6. Extend jack (A) enough to allow
minimum effort to pivot trailer tongue into storage
position.
Figure 2-6. Extend Jack and Remove Pins
3. Remove pins (B) and (C) from trailer tongue.
003591
Figure 2-8. Install Pins and Rotate Jack
6. Remove clevis and remove jack (A) from tongue
weldment.
7. Completely retract jack.
8. Rotate jack 90° counterclockwise, place jack on
tongue weldment, and install clevis to secure jack
parallel to ground.
4. See Figure 2-7. Pivot trailer tongue into storage
position.
NOTE: Varying levels of effort may be required
depending on terrain.
Figure 2-7. Pivot Trailer Tongue Into Storage Position
5. See Figure 2-8. Install pins (B) and (C) at locations
shown to secure trailer tongue in storage position.
14 Owner’s Manual for Mobile Light Tower
Unit Dimensions
A
B
C
E
D
009807
General Information
Figure 2-9. Unit Dimensions
A B C D E
118 in (3 m) 101 in (2.6 m) 23 ft (7 m) 10 ft (3.05 m) 57 in (1.45 m)
Owner’s Manual for Mobile Light Tower 15
General Information
008645
B
F
C
D
E
D
G
H
A
Component Locations
Figure 2-10. Component Locations—Front and Left Side
A Grounding stud E Tongue jack
B Outrigger and Jack (2 locations) F Mast rotation knob
C Fuel fill G Winch
D Tie-down point (4 locations) H Light (4 locations)
16 Owner’s Manual for Mobile Light Tower
General Information
J
K
L
L
M
N
P
008646
Figure 2-11. Component Locations—Rear and Right Side
J Central lift point M Tandem tow mount (optional—not shown)
K Engine/radiator access hood N Hood latch
L Forklift pocket P Key start controller
Owner’s Manual for Mobile Light Tower 17
General Information
######
A
D
E
I
J
C
F
G
B
K
H
Control Panel
Figure 2-12. Standard Control Panel
A DC circuit breaker (2 locations)
B AC circuit breaker
Controls export power (if equipped)
C Light fixtures ON-OFF switch
One switch controls power to all light fixtures
D [Not used]
E Standard units: [Not used]
Units with electric winch: Mast UP-DOWN switch
F [Not used]
G [Not used]
H 120 V duplex receptacle
I Engine hour meter
Displays how many hours engine has run
J Engine ignition switch
K Main circuit breaker
18 Owner’s Manual for Mobile Light Tower
Section 3: Operation
1”
DETAIL B
DETAIL C
DETAIL E
DETAIL D
A
E
G
B
F
D
C
008708
(000260a)
High Voltage. Verify area above unit is clear
of overhead wires and obstructions. Contact
with high-voltage power lines will result in
death or serious injury.
DANGER
WARNING
(000297)
> 60 mph
Do not set up the unit if high winds
are expected. High winds can cause the
unit to tip or fall, causing severe injury
or machine damage.
Light Tower Setup
Figure 3-1. Setup Components
2. Place the unit on firm ground that is relatively flat
(less than 5° slope), and then block the wheels to
prohibit movement. This will make it easier to level
the unit.
3. See Figure 3-1. Pull the locking pin (A) on the
tongue jack (E) and rotate the jack 90°. Reinstall
the locking pin. Rotate the jack handle clockwise to
raise the trailer tongue off the towing vehicle.
4. A grounding stud (B) is located on the rear frame of
5. See Details C–D. Pull the locking pins (C) on the
1. For maximum light coverage, position the unit at
NOTE: For mast height, see Unit Dimensions.
Owner’s Manual for Mobile Light Tower 19
ground level or in a spot higher than the area being
illuminated by the lamps.
the trailer near the left side outrigger. For grounding requirements, follow local, state, or National
Electrical Code (NEC) guidelines.
outriggers (D) and pull each outrigger out until the
spring loaded locking pin snaps back into place.
Pull the locking pin on each outrigger jack (F) and
rotate each jack 180° so the jack pad is facing
down. Reinstall the locking pin.
Operation
DANGER
Electrocution. DO NOT use the unit if
electrical cord is cut or worn through. Doing
so will result in death or serious injury.
(000263a)
WARNING
(000266)
Tipping hazard. Extend the outriggers and level the unit
before raising the mast. Keep the outriggers extended while
the mast is up. Failure to do so could cause the unit to tip
and fall and could result in death or serious injury.
WARNING
Tipping hazard. Do not extend the mast beyond the
colored mark on the second mast section. The unit
can become unstable and tip or fall, causing injury.
(000262)
WARNING
Personal Injury. Stop immediately if the mast hangs
up or the winch cable develops slack. Excess slack
could cause the mast to collapse, resulting in personal
injury or equipment damage.
(000265)
(000279)
Personal injury or equipment damage. Do not raise
or lower the mast while the unit is operating.
Doing so can break the lenses and cause the
lamps to shatter.
WARNING
DETAIL D
STOP
008709
A
D
B
C
6. See Detail E. Rotate each jack handle clockwise to
start leveling the trailer. Adjust all three jacks by
rotating their handles clockwise until they are firmly
in contact with the ground. Continue until the
wheels are approximately 1 in (2.5 cm) off the
ground (G).
7. Before raising the mast, it may be necessary to
adjust the lamps. The lamps may be adjusted up,
down, left, or right by aiming them in the desired
direction.
Raising the Mast—Manual Winch
the mast rotation knob to secure the mast in
position.
4. Using both hands, rotate the winch (B) to slowly
extend the mast. Verify the coiled electrical cord is
extending at the top sections of the mast. Stop
extending the mast when the colored mark (D) on
the second mast section is visible as seen in Detail
D.
1. Set up and level the unit. See Light Tower Setup.
2. See Figure 3-2. Inspect the mast cables for
excessive wear or damage. Verify the cables are
properly centered in each pulley (A). Inspect the
electrical cord for damage.
3. Rotate the mast by loosening the mast rotation
knob (C) at the bottom of the mast. Turn the mast
until the lights face in the desired direction. Tighten
20 Owner’s Manual for Mobile Light Tower
Figure 3-2. Pulley Locations—Manual Winch
IMPORTANT NOTE: Contact a GMASD immediately
if the mast hangs up or the winch cable develops
slack.
Operation
DANGER
Electrocution. DO NOT use the unit if
electrical cord is cut or worn through. Doing
so will result in death or serious injury.
(000263a)
WARNING
(000266)
Tipping hazard. Extend the outriggers and level the unit
before raising the mast. Keep the outriggers extended while
the mast is up. Failure to do so could cause the unit to tip
and fall and could result in death or serious injury.
WARNING
Tipping hazard. Do not extend the mast beyond the
colored mark on the second mast section. The unit
can become unstable and tip or fall, causing injury.
(000262)
WARNING
Personal Injury. Stop immediately if the mast hangs
up or the winch cable develops slack. Excess slack
could cause the mast to collapse, resulting in personal
injury or equipment damage.
(000265)
(000279)
Personal injury or equipment damage. Do not raise
or lower the mast while the unit is operating.
Doing so can break the lenses and cause the
lamps to shatter.
WARNING
DETAIL C
STOP
DETAIL B
008710
A
D
C
B
Raising the Mast—Electric Winch
(If Equipped)
the second mast section is visible as seen in Detail
C.
1. Set up and level the unit. See Light Tower Setup.
2. See Figure 3-3. Inspect the mast cables for
excessive wear or damage. Verify the cables are
properly centered in each pulley (A). Inspect the
electrical cord for damage.
3. Rotate the mast by loosening the mast rotation
knob at the bottom of the mast (D). Turn the mast
until the lights face in the desired direction. Tighten
the mast rotation knob to secure the mast in
position.
NOTE: On Key Switch models, key must be in
RUN position to operate electric winch.
4. Press and hold the winch control switch (Detail B)
upward to telescope the mast to the desired height.
While doing so, verify that the coiled electrical cord
is extending at the top sections of the mast. Stop
extending the mast when the colored mark (C) on
Owner’s Manual for Mobile Light Tower 21
Figure 3-3. Switch & Pulley Locations—Electric
Winch
IMPORTANT NOTE: A limit switch on the main mast
section will disconnect power to the electric winch to
prevent overextending the mast.
IMPORTANT NOTE: Contact a GMASD immediately
if the mast hangs up or the winch cable develops
slack.
Operation
(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.
CAUTION
(000230)
Equipment Damage. Do not continuously crank
engine for more than ten seconds. Doing so will lead
to overdischarge of batteries and starter seizure.
009951
009952
009953
Prestart Checklist
Before starting the unit, all items in the prestart checklist
must be completed. This checklist applies to both manual
and remote starting of the unit.
Verify all maintenance procedures are up to date. For
more information, refer to General Maintenance and
Basic Maintenance Schedule.
Perform a walk-around inspection. Refer to Daily
Walk-Around Inspection.
The unit must be level.
The unit must be dry. Inspect for water inside or near
the unit; dry if needed.
For grounding requirements, follow the National
Electrical Code (NEC), state, and local regulations.
Verify the control power switch is OFF (O).
Verify all circuit breakers are OFF (O).
Inspect all electrical cords; repair or replace any that
are cut, worn, or bare.
Verify all winch cables are in good condition and
centered on each pulley. Do not use if cables are
kinked or beginning to unravel.
Check oil, coolant, and fuel levels. For more
information, refer to General Maintenance.
Verify battery connections are secure.
Turn the battery disconnect switch on, if equipped.
1. See Figure 2-12. Verify main circuit breaker and
circuit breaker for lights are OFF (O).
2. See Figure 3-4. Turn engine ignition switch to
GLOW PLUG position and hold for five seconds
(15 seconds maximum).
IMPORTANT NOTE: Do not hold key in GLOW PLUG
position for more than 15 seconds.
Figure 3-4. Activate Glow Plug
3. See Figure 3-5. Turn ignition switch to START
position and hold (10 seconds maximum) until
engine cranks and starts.
IMPORTANT NOTE: Do not crank engine for more
than 10 seconds.
Inspect the engine fan belt tension and condition.
Inspect the engine fan belt guard.
Inspect the engine exhaust system for loose or
rusted components.
Verify all covers are in place and secure.
4. See Figure 3-6. Release ignition switch, it will
move to the RUN position.
Figure 3-5. Crank Engine
Starting the Unit
NOTE: If the engine was run out of fuel or the fuel tank
was drained, it may be necessary to purge the fuel lines.
Refer to the engine operator’s manual supplied with the
unit.
22 Owner’s Manual for Mobile Light Tower
Figure 3-6. Release Key
Operation
B
A
######
IMPORTANT NOTE: If unit does not start after 10
seconds of cranking, turn ignition switch to STOP
position and wait 30 seconds. Then, repeat steps 2–3
as necessary.
Operating the Lights
1. Verify the unit is ON and running smoothly. See
Starting the Unit.
2. See Figure 3-7. Switch main circuit breaker (A) to
ON (I).
3. Switch light circuit breaker (B) to ON (I).
Customer Convenience
Receptacles (If Equipped)
See Figure 3-8. The unit may be equipped with one
120V, 20A, GFCI, duplex receptacle; for powering
accessories or tools.
Figure 3-8. Customer Convenience Receptacle
The receptacle, and a corresponding circuit breaker, are
located on the control panel. See Figure 2-12.
The receptacle is powered (available for use) when the
engine is running and the main circuit breaker is ON (I).
Load Limit and Overload
•
Lights on: Load limit = 1,100 W
• Lights off: Load limit = 2.400 W
Figure 3-7. Light Switches and Breaker
Engine Derating
All units are subject to derating for altitude and
temperature. Derating reduces the available power for
operating tools and accessories connected to the
receptacles. For every increase in 1,000 ft (305 m) of
elevation, engine performance for this unit typically drops
between 2–4%. Also, engine performance decreases
about 1% for every 10 °F (5.6 ºC) increase in ambient air
temperature over 72 ºF (22 ºC).
Drawing more than the load limit overloads the generator,
resulting in main circuit breaker trip. If the breaker trips,
switch off the lights and remove some load from the
receptacle.
Shutting Down the Unit
Shutting down the unit stops power to the customer
convenience receptacles (if equipped).
Removing Loads from Receptacles (If Equipped)
When shutting down the unit, remove loads from
receptacles as follows.
1. Notify personnel using unit-supplied power that
shutdown is pending.
2. Verify shutdown will not create hazards (by turning
off equipment that needs to remain running, such
as pumps and compressors).
3. Remove loads from receptacles.
Shutting Down the Unit
1. Remove all loads from receptacles.
2. Switch light fixtures ON/OFF switch to OFF (O).
3. Switch the main circuit breaker OFF (O).
Owner’s Manual for Mobile Light Tower 23
Operation
009986
WARNING
Personal Injury. Stop immediately if the mast hangs
up or the winch cable develops slack. Excess slack
could cause the mast to collapse, resulting in personal
injury or equipment damage.
(000265)
008646
WARNING
Personal Injury. Stop immediately if the mast hangs
up or the winch cable develops slack. Excess slack
could cause the mast to collapse, resulting in personal
injury or equipment damage.
(000265)
4. Turn ignition switch to STOP.
Figure 3-9. Stop Engine
Automatic Shutdown
This unit is equipped with a low oil pressure and high
coolant temperature automatic shutdown system. This
system automatically shuts off the fuel supply to stop the
engine if oil pressure drops too low, or the engine
exceeds normal operating temperature. Return the main
circuit breaker to STOP to reset the unit after the cause
of shutdown has been determined.
Storing the Unit
if the unit will be stored for an extended period,
Disconnect the battery. See the engine manual for more
information.
Lowering the Mast—Manual
Winch
1. Shut down the lights and engine. See Shutting
Down the Unit.
2. Lower the mast.
3. Use the winch handles to collapse the mast to its
lowest position. Verify the electrical cord does not
get caught in, or pinched by, the mast while it is
being lowered.
.
Figure 3-10. Stowed (Travel) Position
To rotate the mast:
a. Loosen the mast rotation knob.
b. Rotate the mast until the white arrows are
aligned and the metal stop tabs are touching.
c. Tighten the mast rotation knob.
Lowering the Mast—Electric
Winch (If Equipped)
NOTE: On key switch models, key must be in RUN to
operate electric winch.
1. Press and hold the upper winch control switch
downward to collapse the mast to its lowest
position. Verify the electrical cord does not get
caught in, or pinched by, the mast while it is being
lowered.
2. Shut down the engine. See Shutting Down the
Unit.
3. If the unit is going to be moved, rotate the mast so
the lights face the rear of the unit. To rotate the
mast:
a. Loosen the mast rotation knob.
b. Rotate the mast until the white arrows are
aligned and the metal stop tabs are touching.
c. Tighten the mast rotation knob.
IMPORTANT NOTE: Contact a GMASD immediately
if the mast hangs up or the winch cable develops
slack.
4.
See Figure 3-10
rotate the mast so the lights face the rear of the unit.
24 Owner’s Manual for Mobile Light Tower
. If the unit is going to be moved,
NOTE: The electric winch models are equipped with a
safety limit switch. This switch disconnects power to the
winch after the mast is completely raised or lowered. This
prevents the cable from continuing to unwind and becoming entangled around the winch drum.
IMPORTANT NOTE: Contact a GMASD immediately
002832
A
B
A
002535
B
C
if the mast hangs up or the winch cable develops
slack.
NOTE: If the light tower is not operational, and the
batteries do not have enough power to lower the mast, it
may be necessary to lower the mast manually. Always
attempt to recharge the batteries and lower the mast
electrically before proceeding.
Manually Lowering Electric Mast
IMPORTANT NOTE: Do not use this procedure
unless it is absolutely necessary. Frequent use of
this procedure could damage the motor shaft.
1. See Figure 3-11. Remove the motor cover (A).
Operation
Figure 3-12. Positive Air Shutdown
The PAS system stops the engine by closing an internal
valve and obstructing intake air. Shutdown is triggered
automatically by an output from the controller or manually
by pulling the T-handle (B).
The reset knob (C) rotates 90° to block airflow. If the knob
is parallel to the pipe centerline (as shown), the valve is
open. If the knob is perpendicular to the pipe centerline,
the valve is closed and airflow is blocked.
Figure 3-11. Manually Lowering the Mast
2. Attach a drill chuck firmly to the exposed motor
shaft (B).
3. Using the drill, slowly rotate the motor shaft
counterclockwise to lower mast.
4. Detach the drill chuck and install the motor cover
after the mast is completely lowered.
Positive Air Shutdown (PAS)
(If Equipped)
See Figure 3-12. This unit may be equipped with a
positive air shutdown (A) on the air intake. The PAS
system automatically stops the engine if an overspeed is
detected. Engine overspeed can occur if the atmosphere
contains elevated levels of combustible propane or
natural gas.
Test the PAS
Test the PAS at least once a month to ensure optimal
valve performance. There are two methods:
1. Pull the T-handle. (NOTE: The valve must be open
before testing.)
2. Press the emergency stop button.
Testing the PAS triggers an actuator, closing the butterfly
valve inside the valve body. An audible click can be
heard when the actuator engages. Confirm that the valve
is closed by verifying that the knob has rotated
perpendicular to the pipe centerline. If valve does not
close, contact Generac Mobile Technical Support.
Reset the PAS
IMPORTANT NOTE: Before resetting the PAS, turn
the control power switch OFF (O). This will prevent
unexpected engine start-up during the procedure.
1. Rotate the reset knob and hold it in place while
pulling the T-handle until reset knob rotates counterclockwise into plunger detent. An audible “click”
indicates the reset knob has seated properly.
2. Verify that the reset knob is parallel to the intake
pipe centerline.
3. Release T-handle, and then release reset knob.
The reset knob should remain parallel to the intake
pipe centerline.
Owner’s Manual for Mobile Light Tower 25
Operation
004770
A
C
B
A
Lower Radiator Hose Heater
(If Equipped)
The lower radiator hose heater is designed to prevent
engine coolant from freezing in extreme cold weather
conditions. While the heater is designed to be operated
overnight if necessary, 2–5 hours of heating just prior to
starting is usually sufficient for proper engine starting.
NOTE: Use the lower radiator hose heater only in its
designated location. Incorrect use can damage the
engine.
Proceed as follows when operating a unit equipped with
a lower radiator hose heater.
1. Verify the unit is level to maintain correct orientation of the heater while it is in operation.
2. Verify the cooling system is full of the correct
mixture of water and engine coolant before each
heater use.
3. Use only an undamaged, outdoor rated, threeprong grounded 120VAC extension cord with a
minimum amperage rating of 10A. Connect the
cord to a properly grounded 120VAC GFCI outlet.
4. Before starting the engine, unplug the extension
cord from the power first, then unplug the heater
cord set from the extension cord.
• Avoid sharp turns when towing. Do not cross any
obstacles more than 12 in (30.5 cm) deep.
• Tandem tow speeds:
a. Paved highway—45 mph (72 km/h)
b. Graded gravel—25 mph (40 km/h)
c. Cross country—10 mph (16 km/h)
Telemetry (If Equipped)
The digital telemetry option enables the operator to
remotely monitor the unit fuel level. A transmitter inside
the engine compartment sends real time equipment
status information to the user via cellular or satellite
connection.
Spark Arrester (If Equipped)
A spark arrester, installed on the unit exhaust, may be
required by code in certain municipalities. Contact the
local authority having jurisdiction to determine if a spark
arrester must be installed on the unit before operation.
Heated Fuel Filter (If Equipped)
See Figure 3-14. An optional heated fuel filter (A)
prevents diesel fuel from gelling in extremely cold
temperatures.
Tandem Tow (If Equipped)
See Figure 3-13. The tandem tow hitch option (A) allows
the operator to tow a second MLTS Light Tower in series
behind the unit equipped with the hitch.
Figure 3-13. Tandem Tow
IMPORTANT NOTE: Never tow more than two units
at once.
• Connect any trailer wiring to the unit in front (B).
Inspect for proper operation of the directional and
brake lights.
• Connect the towing chains to the tie down locations
(C).
Figure 3-14. Heated Fuel Filter
Towing the Unit
Once the engine is shut down and the mast and lights are
correctly stowed, proceed as follows to prepare the unit
for towing.
1. Raise the outrigger jacks completely and release
the locking pins to rotate them up into the travel
position. Verify the locking pins snap into place.
Release the outrigger locking pins and slide the
outriggers into the trailer frame until the locking
pins snap into place.
2. Use the tongue jack to raise or lower the trailer
onto the hitch of the towing vehicle. Lock the hitch
26 Owner’s Manual for Mobile Light Tower
Operation
5
2
3
4
1
003754
A
008714
B
coupling and attach the safety chains or cables to
the vehicle. Remove the tongue jack locking pin
and rotate the jack into the travel position. Replace
the locking pin.
3. To ensure correct operation of the jacks, refer to
Trailer Wheel Bearings. For maintenance interval
information, refer to Basic Maintenance Sched-
ule.
4. Connect any trailer wiring to the tow vehicle. Inspect
for correct operation of the directional and brake
lights.
5. Verify the enclosure is correctly latched.
6. Check for correct inflation of the trailer tires. For
maximum tire pressures, refer to Specifications.
7. See Figure 3-15. Inspect the wheel lugs. Tighten
or replace any lugs that are loose or missing. If a
tire has been removed for axle service or replaced,
tighten the lugs, in the order shown, to the following specifications:
4. Always remain aware of people and objects around
the unit while preparing, maneuvering, and lifting
the unit.
• When lifting the unit, attach any slings, chains, or
hooks directly to the central lift point (A). The
central lift point is located on top of the enclosure,
connected to a lift structure inside the unit.
Figure 3-16. Lifting Points
• Use the forklift pockets (B) with care. Lift directly
from the rear. Avoid approaching the unit at an
angle, as this can permanently damage the forklift
pockets, tires, or cabinet. Verify any obstructions
are clear of the forklift tines before lifting.
Figure 3-15. Tightening Wheel Lugs
a. Start all lug nuts by hand.
b. First pass: tighten to 20-25 ft-lbs (27-33 Nm).
c. Second pass: tighten to 50-60 ft-lbs (67-81 Nm).
d. Third pass: tighten to 90-120 ft-lbs (122-162 Nm).
NOTE: After the first road use, torque the lug nuts in
sequence.
8. Maximum recommended speed for highway towing
is 45 mph (72 km/h). Recommended off-road
towing speed is not to exceed 10 mph (16 km/h) or
less, depending on the terrain.
Lifting the Unit
Proceed as follows to prepare the unit for lifting:
1. Verify the equipment being used to lift the unit is in
good condition and has sufficient capacity. For
approximate weights, refer to Specifications.
2. Close and lock all hoods and doors.
3. See Figure 3-16. Stow the mast and lights in the
travel position as shown.
Owner’s Manual for Mobile Light Tower 27
Operation
C
002538
Tying Down the Unit
When securing the unit for transportation, verify the
equipment being used to fasten the unit is in good
condition and has sufficient strength to hold the unit in
place during transport.
See Figure 3-17. Use the tie-down points (C) as shown.
Figure 3-17. Tie-Down Points
28 Owner’s Manual for Mobile Light Tower
Section 4: Maintenance
CAUTION
(000306)
Equipment Damage. Failure to perform a daily
inspection could result in damage to the unit.
CAUTION
(000325a)
Equipment damage. Never spray water to clean unit.
Do not introduce water into generator widings,
terminals, or fuel system during the cleaning process.
Doing so will result in equipment damage.
Emissions Information
For warranty information, please refer to the diesel
engine manual supplied with this unit.
Daily Walk-Around Inspection
Perform a walk-around inspection of the unit every day
before starting the unit. Look for conditions that could
hinder performance or safety, such as (but not limited to):
• Oil, coolant, and fuel leakage
• Blocked vents
• Loose or missing hardware
• Loose or broken electrical connections
Inspect the fan belt for cracks, fraying, or stretching. Verify the belt is correctly seated in the pulley grooves.
Replace the belt according to the manufacturer’s recommendations.
General Maintenance
Poorly maintained equipment can become a safety
hazard. In order for the equipment to operate safely and
correctly over a long period of time, periodic maintenance
and occasional repairs are necessary. DO NOT perform
routine service (oil and filter changes, cleaning, etc.)
unless all electrical components are shut off.
Regular maintenance will improve performance and
extend engine/equipment life. Generac Mobile recommends that all maintenance work be performed by a
GMASD. Regular maintenance, replacement or repair of
the emissions control devices and systems may be performed by any repair shop or person of the owner’s
choosing. However, to obtain emissions control warranty
service free of charge, the work must be performed by a
GMASD or authorized Mitsubishi
ing on the repair. See the emissions warranty.
Preparing for Service
Before servicing the unit, always follow the instructions
listed below.
1. Verify the circuit breakers are switched OFF (O).
2. Disconnect the negative (–) terminal on the battery.
Owner’s Manual for Mobile Light Tower 29
®
engine dealer depend-
3. Attach a “Do Not Start” sign to the control panel to
signify that the unit is being serviced and reduce
the chance of unauthorized use.
Cleaning the Unit
Always clean the unit after each use to remove dust,
grease, mud, or spilled fuel or oil. Use soft, clean rags to
wipe the cabinet exterior and control panel. Low-pressure
compressed air (less than 40 psi [276 kPa]) can also be
used to remove dust and debris from the cabinet interior.
This unit contains sensitive electronic components that
can be damaged by high pressure and heat. Do not:
• wash the unit with a high pressure hose or power
washer.
• wash the engine block or fuel tank with a power
washer or steam cleaner. Water may enter the
cabinet and collect in the generator windings or
other electrical parts, causing damage.
Inspecting the Unit
•
If the unit is stored outside, inspect for water inside
the cabinet and generator before each use. If wet,
dry the unit thoroughly before starting.
• Inspect condition of electrical cords. DO NOT use
the unit if insulation is cut or worn through.
• Verify winch cables are in good condition and
centered on each pulley. DO NOT use a cable that
is kinked or starting to unravel.
• Verify the wheel lugs are present and correctly
tightened. Refer to Towing Safety.
• Check the coolant level daily by inspecting the
level in coolant overflow jug located near the radiator. Refer to the engine operator’s manual for coolant recommendations and proper mixture. Normal
operating level is between the ‘full’ and ‘add’ markings on the overflow jug.
• After engine is stopped and completely cool, cool-
ant may be added directly to the coolant overflow
jug.
• Check the oil level daily. Refer to the engine opera-
tor’s manual for the appropriate oil specification.
• Verify the oil is correct for special operating condi-
tions such as a change in season or climate.
Maintenance
• DO NOT start the unit if the engine oil level is
below the ADD mark on the dipstick.
• Normal operating level is in the cross-hatch
pattern between the full and add markings on
the dipstick.
• Add oil only if the oil level is below the add
mark on the bottom of the cross-hatch pattern
on the dipstick. DO NOT OVERFILL.
• Check the fuel level.
• If the unit is connected to a remote start or transfer
switch, verify the remote switch is off and tagged.
NOTE:
If the engine was run out of fuel or the fuel tank
drained, it may be necessary to purge the fuel lines. Refer
to the engine operator’s manual supplied with the unit.
Basic Maintenance Schedule
Item Daily
Check oil level
Check coolant level
Check fuel level
Check tire pressure
Inspect wheel bearings
Inspect all electrical connections
Inspect radiator fins for debris; clean as required
Inspect light tower winch for proper operation
Inspect fan belt for tightness
Inspect radiator hoses and clamp bands
Replace fan belt
Replace engine oil and oil filter
Inspect and adjust belt and belt tension
Replace fuel filter element
Inspect battery condition
Replace air filter element
Lubricate leveling jacks
Purge air from fuel system
Drain residual water from fuel filter
Basic Maintenance Schedule
Refer to the original equipment manufacturer’s operating
manual for a complete list of maintenance requirements.
Failure to comply with the procedures as described in the
engine operator’s manual will nullify the warranty,
decrease performance, and cause equipment damage or
premature equipment failure. Maintenance records may
be required to complete a warranty request.
Use the schedule in the following table as a guide for regular maintenance intervals. For additional or replacement
copies of the engine operator’s manual, contact a
GMASD.
First
50 Hr
*
Every
750 Hr
**
**
Every
1,000 hr
As
Required
* Generac Mobile recommends oil change intervals on the MLTS equipped with the Mitsubishi L2E Tier 4 engine be
extended to 1,000 hours after initial break-in. The engine comes from the factory with a larger sump that holds
3.6 qts (3.4 L) of engine oil. After the initial 50 hour break-in and oil change, the sump, couple d with the larger oil
filter, allows the engine to operate up to 1,000 hours between routine oil changes. Hot, humid, or dusty conditions
can shorten engine oil service life, regardless of suggested oil change interv als. Always follow the recommendations
of the OEM engine manual that was shipped with the unit for specific operating instructions. If further technical
assistance is required, contact Generac Mobile Technical Service at 1-800-926-9768.
** Maintenance interval may be reduced based on operation in dirty environments.
30 Owner’s Manual for Mobile Light Tower
Maintenance
Manual Winch: Use, Operation,
and Maintenance
Prior to Use
•
Inspect rope or cable and replace if damaged.
• Inspect mounting hardware for correct tightness
and torque if necessary.
• Gears, ratchet pivot point, and shaft bushings must
be kept lubricated with a thin film of oil or grease.
Operation
Raising the Lights:
1. The cable must be securely fastened to the winch
drum.
2. Verify the cable and cable attachments are not
damaged. Contact Generac Mobile to order a
replacement cable if necessary.
3. Referring to the “Lift / Let Down” decal on the
winch, turn handle according to the specified
direction to lift. The ratchet MUST make a loud
clicking sound while winding the cable.
Lowering the Lights:
Referring to the “Lift / Let Down” decal on the winch, turn
handle according to the specified direction to lower. No
clicking will be heard because the brake system is
activated.
Maintenance
The following procedures should be performed at least
annually:
1. The gears and bushings of the winch must be kept
lubricated. Apply a thin film of grease to the gear
teeth, and oil the bushings as needed.
2. The ratchet pawl pivot point must be kept lubricated with a thin oil.
NOTE: Do not get oil or grease on the brake mechanism.
Electric Winch (If Equipped):
Use, Operation, and Maintenance
• Keep the winch free of dirt, oil, grease, water, and
other substances.
• Check all mounting bolts and verify they are tight-
ened to the recommended torque values. Replace
any damaged fasteners.
• Periodically inspect all connections to verify they
are tight and free of corrosion.
• Inspect the cable for visible damage every time the
winch is operated. Examples of damage are: cuts,
knots, crushed or frayed portions, and broken
strands. Replace cable immediately if damaged.
Failure to replace a damaged cable could result in
breakage.
• Regularly inspect the brake for slippage or drift.
This is detected visually when winch is under load.
If winch drum continues to turn after controls are
released, the brake may need to be replaced.
• Periodically clean and grease the brake assembly.
This will ensure correct performance and extend
the life of the winch. If winch seems to labor or get
excessively hot during the lowering of loads, the
brake will need to be serviced or replaced.
• Inspect motor brushes periodically and replace
when necessary.
NOTE: Only the motor brushes and brake assembly
require periodic replacement.
Winch Mechanical Brake
The mechanical brake generates heat when loads are
lowered and the wire cable is powered out. Avoid
overheating the mechanical brake. Overheating the
mechanical brake may result in permanent damage to, or
failure of, the brake. Replace any damaged brake
components before resuming use of the winch.
Whine or chatter associated with a new mechanical
brake is normal and typically disappears with use.
Overheating the mechanical brake may result in
permanent damage to, or failure of, the brake. Replace
any damaged brake components before resuming use of
the winch.
Winch Preventative Maintenance Schedule
Maintenance Activity
Inspect fasteners
Inspect electrical connections
Clean and grease brake assembly
Inspect motor brushes
Owner’s Manual for Mobile Light Tower 31
After First
Operation
Before Each Use Semi-Annually
Maintenance
002540
B
A
C
Winch Preventative Maintenance Schedule
Inspect winch and control
Trailer Wheel Bearings
The trailer axles are equipped with a Zerk grease fitting
to allow lubrication of the wheel bearings without the
need to disassemble the axle hub. Use only a high
quality grease made specifically for lubrication of wheel
bearings, such as Valvoline W615 or equivalent.
See Figure 4-1. Proceed as follows to lubricate the
wheel bearings:
Figure 4-1. Wheel Bearing Cross Section
1. Remove the small rubber plug (A) from the metal
end cap (B).
2. Attach a standard grease gun fitting to the Zerk
grease fitting (C).
3. Pump grease into the Zerk fitting until fresh grease
is visible around the nozzle of the grease gun.
4. Wipe any excess grease from the axle hub with a
clean cloth and replace the rubber plug.
The minimum recommended lubrication is every 12
months or 12,000 miles (19,312 km). More frequent
lubrication may be required under extremely dusty or
damp operating conditions.
Every six months, or depending on usage, check for play
in each bearing by jacking up the trailer, then trying to
rock the wheel. If further assistance is required, contact
Generac Mobile Technical Service at 1-800-926-9768.
Jack Maintenance
Before each use, inspect each jack foot for damage and
remove any mud or debris. The jacks must be clean and
in good operating condition to correctly support the unit.
32 Owner’s Manual for Mobile Light Tower
Section 5: Troubleshooting
(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.
General Troubleshooting
Some of the more common problems are listed in the
table below. This information is intended to be a check or
verification that simple causes can be located and fixed.
It does not cover all types of problems. Refer to the OEM
engine operator’s manual for additional troubleshooting
information. Procedures that require in-depth knowledge
or skills should be referred to a GMASD.
General Troubleshooting Guide
Problem Possible Cause Solution
Low oil pressure
shutdown
High coolant
temperature shutdown
Unit cranks but does not
start
Low oil level Verify oil level on dipstick. Add oil, if needed.
Oil leaking from engine Inspect the engine for leaks.
Oil pressure switch failure Refer to OEM engine operator’s manual to identify corrective
action.
Low coolant level Add coolant if needed. Allow engine to cool, then check coolant
level in radiator. Restart engine and check coolant temperature.
Stop engine immediately if coolant temperature is 210 °F (99 °C)
or more.
Blockage in radiator Inspect radiator shroud and ducting for blockage and remove any
foreign matter.
Leakage in coolant hoses,
engine block, or water pump
Faulty thermostat Contact a GMASD to replace.
Water pump failure Contact a GMASD to replace.
Incorrect mix/frozen radiator Thaw the radiator with an external heat source and flush the
Low fuel level Check fuel level in tank.
Restricted air filter Inspect air filter for blockage.
PAS engaged Verify PAS is off.
Inspect for visible leaks. Verify tension of water pump serpentine
drive belt.
Remove load on generator and restart engine. Verify coolant
temperature and shut engine down immediately if it starts to
overheat. Refer to the OEM engine operator’s manual for
additional information on engine overheating.
coolant system with the correct coolant mixture.
Verify fuel pump operation.
Refer to OEM engine operator’s manual for additional
information.
If problems persist, contact Generac Mobile at 1-800-926-9768 for assistance.
Owner’s Manual for Mobile Light Tower 33
Troubleshooting
(000187)
WARNING
Electrocution. Potentially lethal voltages are generated
by this equipment. Render the equipment safe before
attempting repairs or maintenance. Failure to do so
could result in death or serious injury.
Troubleshooting the Lights
Only a qualified electrician should troubleshoot or repair
electrical problems occurring in this equipment. Contact
Generac Mobile Technical Service at 1-800-926-9768 for
assistance if you have any questions, or if problems
persist.
Lights Troubleshooting Guide
Problem Possible Cause Solution
Mast lights off,
checking outside
the control box
Mast lights off,
checking inside the
control box
Light fixture is too hot Allow light to cool 10–15 minutes before restarting.
Loose lighting
connections
Damaged or loose
electrical cord
Faulty fuel filter With engine running and lights off, measure voltage and frequency at the
Faulty generator
capacitor
Loose lighting
connections
Generator output
incorrect
Inspect the connections inside the mast junction box and each mast light
housing/socket.
Inspect the mast electrical cord for damage and check the cord connections
inside the control box.
GFCI receptacle. Voltage should indicate 120VAC ± 5%, and frequency
should indicate 60.7 Hz ± 5%. If frequency and voltage are both low
(<114VAC, <58 Hz), replace the fuel filter.
Measure the capacitance of the generator capacitor. If measurement is
outside rating (as indicated on the capacitor), replace the capacitor.
Inspect the connections inside the control box.
Check the incoming voltage to the ballast driver by checking the available
voltage on the GFCI receptacle. Incoming voltage should be 120V ± 5V. If
voltage is incorrect, the generator may require service.
34 Owner’s Manual for Mobile Light Tower
Section 6: Wiring Diagrams
008713
1
3
2
4
Mast Junction Box Wiring and Light Connections
Owner’s Manual for Mobile Light Tower 35
Wiring Diagrams
AC Analog (1 of 2)
36 Owner’s Manual for Mobile Light Tower
AC Analog (2 of 2)
Wiring Diagrams
Owner’s Manual for Mobile Light Tower 37
Wiring Diagrams
DC Analog
38 Owner’s Manual for Mobile Light Tower
Trailer Lights
RIGHT
TURN
RED
GN
WT
RED
RIGHT
TAI L
RD
BK
BN
RED
LEFT
TAI L
YL
WT
RED
LEFT
TURN
BK
RD
BN
RED L
MARKER
BN
WT
RED R
MARKER
BN
WT
WT
BK
YL
BK
YL
BN
BN
BN
WT
WT
WT
WT
BK/WT
VI/YL
WT
AMBER L
AMBER R
MARKER
MARKER
VI/YL
BK/WT
TO FUEL CKT
BN
BN
BN
WT
WT
WT
RING - GND
LICENSE
PLATE
PAN EL
LIGHT
BK
WT
BK
WT
BK
BK/WT
WT
BK
BN
BN
WT
BK
BN
BN
BN
WT
BK
BN
WT
BN
WT
WT
BN
BN
SPADE
SPADE
SPADE
SPADE
SPADE
SPADE
SPADE
SPADE
SPADE
SPADE
SPADE
SPADE
WT
BN
YL
GN
BC A
D
SPADE
SPADE
SPADE
CBA
D
SPADE
SPADE
SPLICE
SPLICE
SPADE
SPADE
SPADE
SPADE
SPADE
SPADE
SPADE
SPLICE
SPLICE
SPADE
90520_D_08.27.14
Wiring Diagrams
Owner’s Manual for Mobile Light Tower 39
Wiring Diagrams
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40 Owner’s Manual for Mobile Light Tower
Wiring Diagrams
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Owner’s Manual for Mobile Light Tower 41
Wiring Diagrams
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42 Owner’s Manual for Mobile Light Tower
Part No. 10000043315 Rev. A 08/06/2019
©2019 Generac Mobile Products, LLC
All rights reserved.
Specifications are subject to change without notice.
No reproduction allowed in any form without prior written
consent from Generac Mobile Products, LLC.
Generac Mobile Products, LLC
215 Power Drive, Berlin, WI 54923
GeneracMobileProducts.com │800-926-9768 │920-361-4442
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