Generac MMG35DF4 Owner's manual

Brand: Generac

Model: MMG35DF4

Category: Power generators

Type: Owner's manual

SAVE THIS MANUAL FOR FUTURE REFERENCE

For technical assistance contact:

www.generacmobileproducts.com

Technical Support

1-800-926-9768

Owner’s Manual

Diesel Generator

MMG35DF4 • MMG45IF4 • MMG55DF4

Up to SN 3005615838

01306

Use this page to record important information about your unit

Record the information found on your unit data label on this

page. See Unit and Serial Number Locations.

Engine and generator serial numbers are located on separate

data plates affixed to the engine and generator respectively.

When contacting a Generac Mobile Authorized Service Dealer

(GMASD) about parts and service, always supply the complete

model number and serial number of the unit.

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 GMASD. 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.

Unit Model No.

Unit Serial No.

Engine Model No.

Engine Serial No.

Generator Model No.

Generator Serial No.

Date Purchased

(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.

Owner’s Manual for Mobile Generator iii

Table of Contents

Section 1: Introduction and Safety

Introduction ..................................................................1

Read This Manual Thoroughly ....................................1

How to Obtain Service .................................................1

Safety Rules .................................................................1

Safety Symbols and Meanings ...................................1

General Hazards ...........................................................2

Trailer Hazards .............................................................2

Electrical Hazards ........................................................3

Explosion and Fire Hazards ........................................3

Fuel Hazards .................................................................4

Engine Safety ...............................................................4

Operating Safety ..........................................................5

Positioning the Unit .....................................................5

Lowering Trailer Tongue .............................................5

Towing Safety ...............................................................5

Hitch and Coupling ......................................................5

Safe Towing Techniques .............................................6

Reporting Trailer Safety Defects ................................6

Safety and Operating Decals ......................................7

Section 2: General Information

Specifications .............................................................11

Unit Dimensions .........................................................12

Unit and Serial Number Locations ...........................13

Altitude and Temperature Limitations .....................13

Component Locations ...............................................14

Exterior ......................................................................14

Connection Panel ......................................................15

Control Panel .............................................................16

Genset Controller .......................................................17

Controller Modes .......................................................19

Operator Pages .........................................................19

Maintenance Alarms ..................................................21

Selective Catalytic Reduction (SCR) Monitoring ....22

Voltage Selector Switch ............................................23

Lockout Function .......................................................23

Section 3: Operation

Pre-start Checklist .....................................................25

Manually Starting the Unit .........................................25

AUTO (Remote) Starting the Unit .............................26

Low Idle Switch ..........................................................26

Wet Stacking ..............................................................26

Cold Weather Operation ............................................27

Using a Booster Battery or Charger (if equipped) ..28

Generator Output Connections ................................28

Generator Cam Lock Connections (If Equipped) ....29

Using the Voltage Selector Switch ...........................29

Fine Voltage Adjustment ...........................................30

Voltage Regulator ......................................................30

Customer Convenience Receptacles .......................30

Main Circuit Breaker ..................................................30

DOC and SCR Cleaning Operations .........................30

Disabling Automatic (AUTO) Exhaust After-Treatment

Cleaning (If Equipped) ...............................................31

Force a Manual Exhaust After-Treatment Cleaning 31

Enable Exhaust After-Treatment Cleaning ................31

Transfer Switch ..........................................................31

Alternative Load Device (ALD) (If Equipped) ..........32

AUTO Exercise Timer ................................................32

Accessing the Configuration Menu ............................32

Set the Controller Clock ............................................32

Set the Schedule .......................................................32

Setting Up a Daily Scheduled Run ............................33

Set the Unit to AUTO Mode .......................................33

Shutting Down the Unit .............................................33

Emergency Stop Switch ............................................33

Idle Switch ..................................................................33

Using ECU Override ...................................................33

Towing the Unit ..........................................................34

Lifting the Unit ............................................................34

Section 4: Maintenance

Emissions Information ..............................................37

Maintenance ...............................................................37

Daily Walk Around Inspection ..................................37

Belt Tensioners ..........................................................37

General Maintenance .................................................37

Engine Oil Recommendations ..................................38

Coolant Recommendation ........................................38

Basic Maintenance Schedule ....................................39

Engine Break-In Requirements—Isuzu ....................41

iv Owner’s Manual for Mobile Generator

Engine Break-In Requirements—John Deere .........41

Resetting Maintenance Alarms ................................ 41

Exhaust Filter Service Requirements ......................41

Checking Generator Drive Plate Torque .................41

Jack Maintenance ...................................................... 42

Side-Wind Models ..................................................... 42

Top-Wind Models ...................................................... 42

Trailer Wheel Bearings .............................................. 42

Section 5: Troubleshooting

General Troubleshooting ..........................................43

Section 6: Wiring Diagrams

3-Position AC Box ..................................................... 45

3-Position AC Box ..................................................... 46

4-Position AC Box ..................................................... 47

4-Position AC Box ..................................................... 48

Receptacles ................................................................49

Engine Heater ............................................................ 49

Wiring Buck (If Equipped) ......................................... 50

Power Zone PMG .......................................................50

Control Box ................................................................51

Trailer Lights .............................................................. 52

Trailer Brakes .............................................................53

12-Volt Battery Charger ............................................ 54

Power Zone Low Oil Level (If Equipped) ................. 54

Owner’s Manual for Mobile Generator 1

Section 1: Introduction and Safety

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 manu-

facturer reserves the right to make technical updates,

corrections, and product revisions at any time without

notice.

Read This Manual Thoroughly

If any section of this manual is not understood, contact your

nearest GMASD, or contact Generac Mobile Technical

Service at 1-800-926-9768 or

www.generacmobileproducts.com

with any 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.

How to Obtain Service

When the unit requires servicing or repairs, contact a

GMASD for assistance. Service technicians are factory-

trained and are capable of handling all service needs. For

assistance locating a dealer, go to https://www.gener-

acmobileproducts.com/parts-service/find-service.

When contacting a GMASD about parts and service,

always supply the complete model and serial number of

the unit as given on the data decal located on the unit.

Record the model and serial numbers in the spaces pro-

vided on the front cover of this manual.

Safety Rules

The manufacturer cannot anticipate every possible

circumstance that might involve a hazard. The warnings in

this manual, and on tags and decals affixed to the unit are,

therefore, not all inclusive. If using a procedure, work

method or operating technique that the manufacturer does

not specifically recommend, verify it is safe for others. Also

make sure the procedure, work method or operating

technique utilized does not render the equipment unsafe.

Safety Symbols and Meanings

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. Their definitions are as follows:

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.

(000100a)

Consult Manual. Read and understand manual

completely before using product. Failure to

completely understand manual and product

could result in death or serious injury.

WARNING

(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.

2Owner’s Manual for Mobile Generator

Introduction and Safety

General Hazards

Trailer Hazards

(000103)

Asphyxiation. Running engines produce carbon

monoxide, a colorless, odorless, poisonous

gas. Carbon monoxide, if not avoided, will

result in death or serious injury.

DANGER

Asphyxiation. Do not operate unit without

a properly functioning exhaust system.

Doing so will result in death or serious injury.

(000340)

(000209b)

WARNING

Loss of life. This product is not intended to

be used in a critical life support application.

Failure to adhere to this warning could result

in death or serious injury.

(000107)

Hearing Loss. Hearing protection is

recommended when using this machine.

Failure to wear hearing protection could

result in permanant hearing loss.

WARNING

Vision loss. Eye protection is required when

operating unit. Failure to wear appropriate eye

protection could result in vision loss or serious

injury. (000407)

WARNING

(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

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. (000291)

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)

(000182a)

WARNING

Equipment damage. Only qualified service personnel may

install, operate, and maintain this equipment. Failure to

follow proper installation requirements could result in death,

serious injury, and equipment or property damage.

CAUTION

(000229)

Equipment or property damage. Do not block air

intake or restrict proper air flow. Doing so could

result in unsafe operation or damage to unit.

WARNING

(000233a)

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.

(000231a)

Personal injury. Do not operate unit during transport.

Doing so could result in death, serious injury, or

property damage.

WARNING

(000234a)

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)

Owner’s Manual for Mobile Generator 3

Introduction and Safety

Electrical Hazards Lifting Hazards

Explosion and Fire 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.

(000123)

DANGER

Electrocution. Turn utility supply OFF before

working on utility connections of the transfer

switch. Failure to do so will result in death or

serious injury.

(000150)

Electrocution. Never connect this unit to the electrical

system of any building unless a licensed electrician

has installed an approved transfer switch. Failure to

do so will result in death or serious injury.

DANGER

(000238)

Explosion. Batteries emit explosive gases.

Always disconnect negative battery cable

first to avoid spark. Failure to do so could

result in death or serious injury.

WARNING

Personal injury. Failure to properly connect

lifting cables, chains, or straps could result in

death, serious injury, or property damage.

(000346)

WARNING

Personal Injury. Do not use lifting eye if there are

signs of damage or corrosion. Doing so could result

in death, serious injury, or property damage.

(000433)

WARNING

Personal Injury. Do not use lifting eye other than as

directed. Doing so could result in death, serious

injury, or property damage.

(000434)

(000351)

Personal Injury. Verify all fasteners are properly

tightened prior to lifting unit. Failure to do so could

result in death, serious injury, or property damage.

WARNING

(000105)

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.

DANGER

WARNING

(000281)

Fire risk. Fuel and vapors are extremely

flammable. Do not operate indoors. Doing

so could result in death, serious injury, or

property or equipment damage.

(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.

4Owner’s Manual for Mobile Generator

Introduction and Safety

Battery Hazards

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

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.

•DO NOT run engine indoors or in an area with poor

ventilation. Verify 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:

•Abnormal change in engine speed.

•Loss of electrical output.

•Equipment connected to the unit overheats.

•Sparking occurs.

•Engine misfires or there is excessive engine/gen-

erator vibration.

•Protective covers are loose or missing.

•Ambient air temperature is above 120°F (49°C).

(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)

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.

WARNING

(000163a)

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.

(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.

Owner’s Manual for Mobile Generator 5

Introduction and Safety

Operating Safety

Positioning the Unit

•The area immediately surrounding the unit should

be dry, clean, and free of debris.

•If the unit is equipped with a frame grounding stud,

follow any local, state, and National Electrical Code

(NEC) guidelines when connecting.

Lowering Trailer Tongue

For units shipped with the trailer tongue in the upright

position, follow the steps below to lower the tongue.

1. Elevate the unit using a hoist or forklift, or use the

jack located on the trailer tongue.

NOTE: If using the front jack for support, it must first be

moved to the jack mount location nearest the frame.

2. See Figure 1-1 Remove the mounting hardware

securing the tongue shipping brace to the trailer

frame (A).

Figure 1-1. Lowering Tongue Trailer

3. Remove the shipping brace and slide it into the

trailer tube opening. Secure the brace to the trailer

with the bolt located on the underside of the trailer

(B) and a new nylon locking nut.

4. See Figure 1-2. Flip the trailer tongue down and

reinstall the bolts and washers removed in step two

using two new nylon locking nuts (A). DO NOT

reuse the nylon locking nuts. Tighten the bolts to

80–109 ft-lb (108–148 Nm)

Figure 1-2. Lowering Tongue Trailer

NOTE: If the jack was used to support the unit while

removing the shipping brace, the jack must be moved

back to the tongue location before the unit can be towed.

Connect the trailer tongue to a vehicle or other support

and move the jack to the tongue location.

5. Tighten the bolt inside the jack mounting tube

nearest the frame.

6. See Figure 1-3 Remove the mounting hardware

from the front hood actuator clearance hole panel

(A). Tilt the panel forward. Reinstall the hardware

to secure the panel.

Figure 1-3. Lowering Tongue Trailer

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

compatible. Verify the coupling is securely fastened

to the vehicle.

(000234a)

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

A008594

008595

008596

6Owner’s Manual for Mobile Generator

Introduction and Safety

•DO NOT tow trailer using defective parts. Inspect

the hitch and coupling for wear or damage.

•Connect safety chains in a crossing pattern under

the tongue.

•Before towing the unit, verify 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.

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

vehicles 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 GMASD, 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.

Owner’s Manual for Mobile Generator 7

Introduction and Safety

Safety and Operating Decals

This unit features numerous safety and operating decals.

These decals provide important operating instructions and

warn of dangers and hazards. The following diagrams

illustrate decal locations and descriptions.

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.

ID Description ID Description

1Towing Instructions 19 Starting and Stopping Generator

2Ultra Low Sulfur Fuel Only 20 Operating Instructions

3Danger: Diesel Fuel 21 Terminal Connections (Voltage Selector Switch)

4Tie-Down Location 22 Electrical Backfeed Danger

5Oil Drain 23 Remote Start Terminal Connections

6Coolant Drain 24 Neutral Bonded to Frame

7Warning: Hot Surface 25 CAM Locks

8Unit Lift Point 26 Connection Terminal Lugs

9Warning: Automatic Starting 27 Fan Clutch (if equipped)

10 Electric Shock Hazard 28 Fuel Heater (if equipped)

11 Warning: Hot Surface 29 Start/Prestart

12 Do Not Operate with Guards Removed 30 Fuel Transfer

13 Ground 31 Danger: Read Owner’s Manual Before Operation

14 Battery Disconnect 32 Circuit Breaker

15 Secondary Filter 33 Breaker

16 Primary Filter 34 Controller Toggle Switches

17 Warning: Hot Surface/Moving Parts 35 Read Owner’s Manual Before Operation

18 Open Upper Door First — —

8Owner’s Manual for Mobile Generator

Introduction and Safety

Figure 1-4. Exterior Decals

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008084

654

Owner’s Manual for Mobile Generator 9

Introduction and Safety

Figure 1-5. Interior Decals

WARNING

WARNUNG

ADVERTENCIA

AVERTISSEMENT

WARNUNG

ADVERTENCIA

AVERTISSEMENT

WARNING

La génératrice peut démarrer

automatiquement, ce qui peut entraîner

des blessures graves. Débrancher la

batterie avant de faire l’entretien.

Generator can automatically start

which can cause serious injury.

Disconnect battery before servicing.

Der Generator kann automatisch

anspringen und schwere Verletzungen

verursachen. Vor der Instandsetzung

die Batterieverbindungen lösen.

El generador puede arrancar

automáticamente, lo que puede causar

graves lesiones. Desconecte la batería

antes de realizar el servicio técnico.

BATTERY

DISCONNECT

HINWEIS

AVISO

AVIS

NOTICE

PRIMARY

FILTER SECONDARY

FILTER

OPEN UPPER

DOOR FIRST

TO ACCESS

CONNECTIONS

La génératrice peut démarrer

automatiquement, ce qui peut entraîner

des blessures graves. Débrancher la

batterie avant de faire l’entretien.

Generator can automatically start

which can cause serious injury.

Disconnect battery before servicing.

Der Generator kann automatisch

anspringen und schwere Verletzungen

verursachen. Vor der Instandsetzung

die Batterieverbindungen lösen.

El generador puede arrancar

automáticamente, lo que puede causar

graves lesiones. Desconecte la batería

antes de realizar el servicio técnico.

WARNING

WARNUNG

ADVERTENCIA

AVERTISSEMENT

WARNUNG

ADVERTENCIA

AVERTISSEMENT

WARNING

008085

16 15

10 Owner’s Manual for Mobile Generator

Introduction and Safety

Figure 1-6. Control Panel Decals

VOLTAGE

REGULATION

L1 Black

L2 Blue

L3 Red

N White

G Green

Located Near

Cam Locks

Optional 4th Position on Voltage Selector Switch

T10

T8T5

T11

T12

L-N

L-L

L1 - L2 = 480V L1 - N = 277V

L2 - L3 = 480V L2 - N = 277V

L3 - L1 = 480V L3 - N = 277V

N =

T10

T6 T11

T12

L-N

L-L

L1 - L2 = 208V L1 - N = 120V

L2 - L3 = 208V L2 - N = 120V

L3 - L1 = 208V L3 - N = 120V

N =

T10

T8 T5

T11

T12

L-L

L-N

T4 T1

T6 T2

T12T8 T5

T10 T7

T11

NL1

120V120V

240V

TERMINAL CONNECTIONS / KLEMMENBELEGUNG / CONEXIONES DE TERMINALES / BRANCHEMENTS AU TERMINAL

L1 - L2 = 240V L1 - N = 120V

L2 - L3 = 240V L2 - N = 208V

L3 - L1 = 240V L3 - N = 120V

N =

120/

240V 3PH

277/

480V

120/

208V

120/

240V

1PH

120/240V 3-PHASE

120/

240 V

3Ø

277/

480 V

120/

208 V

120/

240 V

1Ø

480

277

208

120

277/480V 3-PHASE 120/208V 3-PHASE

120/240V 1-PHASE

240

120

480

277

208

120

240

120

208

120

277/480

3Ø

120/208

3Ø 120/240

1Ø

277/480

3Ø

120/208

3Ø 120/240

1Ø

277/480

3Ø

120/208

3Ø 120/240

1Ø

L1 - L3 = 240V L1 - N = 120V

L2 - N = -------

L3 - N = 120V

Never change switch position with engine running. Results in damage to machine.

Bei laufendem Motor darf die Schalterstellung nicht verändert werden. Dies führt zur Beschädigung der Maschine.

Nunca cambie la posición del interruptor con el motor en funcionamiento. Puede causar daños a la máquina.

Ne jamais changer la position du commutateur lorsque le moteur fonctionne. Vous pourriez endommager l’appareil.

AVERTISSEMENT

208

120

480

277 240

120

ADVERTENCIA

WARNUNG

WARNING

STOP

NEUTRAL (L0) BONDED TO FRAME

NULLLEITER (L0) AM RAHMEN ANGESCHLOSSEN

NEUTRO (L0) CONECTADO AL BASTIDOR

POSITION NEUTRE

(L0)

LORSQUE FIXÉ AU CADRE

REMOTE START/TERMINAL CONNECTIONS

FERNSTART/KLEMMENBELEGUNG

ARRANQUE REMOTO/CONEXIONES DE TERMINALES

DÉMARRAGE À DISTANCE ET BRANCHEMENTS AU TERMINAL

FUEL

TRANSFER

PRESTART

START

FUEL

HEATER

FAN

CLUTCH

Located on relays

inside electrical box

L1 L2 L3

STARTING THE GENERATOR

DAS STARTEN DES GENERATORS / COMIENZO DEL GENERADOR /

COMMENCEMENT DU GÉNÉRATEUR

STOPPING THE GENERATOR

DAS AUFHÖREN DES GENERATORS / PARADA DEL GENERADOR /

ARRÊT DU GÉNÉRATEUR

A0000639819

BETRIEBSANLEITUNG

MODE D’EMPLOI

Avant de commencer

1. Lire le manuel de l’utilisateur.

2. Stabiliser l’appareil à niveau.

3. Bloquer les roues.

4. Effectuer la mise à la terre de l’appareil.

5. Vérifier le niveau de tous les fluides.

Démarrage manuel

1. Débrancher toutes les charges externes.

2. Actionner le sélectionneur de tension.

3. Tirez sur le bouton d’arrêt d’urgence.

4. Déplacez le commutateur de commande à la position

« CONTROL ON » (COMMANDE EN MARCHE).

5. Enfoncez le bouton « START ENGINE » (MOTEUR

EN MARCHE).

Démarrage à distance

1. Consulter le manuel de l’utilisateur.

Arrêt

1. Débrancher toutes les charges externes.

2. Enfoncez le bouton « ENGINE STOP »

(ARRÊT DU MOTEUR).

3. Déplacez le commutateur de commande et placez-le

à la position « CONTROL OFF » (ARRÊT DE COMMANDE).

4. Faire le plein d’essence.

Antes de comenzar

1. Lea el manual del operador.

2. Nivele la unidad.

3. Bloquee las ruedas.

4. Conecte la unidad a tierra.

5. Revise los niveles de todos los líquidos.

Arranque manual

1. Desconecte todas las cargas externas.

2. Configure el interruptor del selector de voltaje.

3. Jale el botón de parada de emergencia.

4. Mueva el interruptor de control a la posición

“CONTROL ON” (control encendido).

5. Empuje el botón “ENGINE START” (arrancar motor).

Arranque remoto

1. Consulte el manual del operador.

Parada

1. Desconecte todas las cargas externas.

2. Empuje el botón “ENGINE STOP” (parar motor).

3. Mueva el interruptor de control a la posición

“CONTROL OFF” (control apagado).

4. Llene el tanque de combustible.

OPERATING INSTRUCTIONS

INSTRUCCIONES DE OPERACIÓN

Vor dem Starten

1. Benutzerhandbuch lesen.

2. Gerät waagerecht stellen.

3. Räder blockieren.

4. Gerät erden.

5. Alle Flüssigkeitspegel prüfen.

Manuelles Starten

1. Alle externen Lasten abschalten.

2. Spannungswahlschalter einstellen.

Notstoppknopf herausziehen.

Regelschalter auf „CONTROL ON“

(REGELUNG EIN) stellen.

„MOTORSTARTKNOPF“ drücken.

Fernstart

1. Siehe Benutzerhandbuch.

Anhalten

1. Alle externen Lasten abschalten.

„MOTORSTOPPKNOPF“ drücken.

Regelschalter auf „CONTROL OFF“

(REGELUNG AUS) stellen.

4. Treibstofftank befüllen.

Before starting

1. Read operator's manual.

2. Level unit.

3. Block wheels.

4. Ground unit.

5. Check all fluid levels.

Manual starting

1. Disconnect all external loads.

2. Set voltage selector switch.

3. Pull out emergency stop button.

4. Move control switch to "CONTROL ON" position.

5. Push “ENGINE START” button.

Remote start

1. See operator's manual.

Stopping

1. Disconnect all external loads.

2. Push “ENGINE STOP” button.

3. Move control switch to "CONTROL OFF" position.

4. Fill fuel tank.

Improper connection of generator to a building’s electrical system can allow electrical current from

the generator to backfeed into utility lines. This may result in electrocution of utility workers, fire or

explosion. Connections to a building’s electrical system must be made by a qualified electrician

and comply with all applicable laws and electrical codes.

Der unsachgemäße Anschluss eines Generators an das Stromnetz eines Gebäudes kann eine

Rückführung des elektrischen Stroms vom Generator in die Stromleitungen verursachen. Dies kann u.

U. zu tödlichem Stromschlag bei EVU-Mitarbeitern, Brand oder Explosion führen. Anschlüsse an das

Gebäudestromnetz müssen von einem Elektriker vorgenommen werden und es müssen dabei alle

einschlägigen Gesetze und elektrischen Vorschriften eingehalten werden.

La conexión inadecuada del generador al sistema eléctrico de un edificio puede hacer que la corriente

eléctrica del generador se retroalimente en las líneas de servicios públicos. Esto puede provocar la

electrocución de los trabajadores de servicios públicos, incendios o explosiones. Las conexiones al

sistema eléctrico de un edificio deben ser realizadas por un electricista calificado, y cumplir con todas

las leyes y todos los códigos de electricidad aplicables.

Le raccordement inadéquat de la génératrice au système électrique d’un immeuble peut permettre au

courant électrique produit par la génératrice de refouler dans le réseau public. Les ouvriers de la

compagnie d’électricité pourraient subir une électrocution, et un feu ou une explosion pourraient

survenir. Le raccordement au système électrique d’un immeuble doit être confié à un électricien

compétent et respecter l’ensemble des lois et codes en vigueur en matière d’électricité.

2626

008087b

Owner’s Manual for Mobile Generator 11

Section 2: General Information

Specifications

Description Unit of Measure MMG35DF4 MMG45IF4 MMG55DF4

Engine

Make (Model) — John Deere®

(3029HFG03)

Isuzu®

(4LE2XAGV01)

John Deere

(3029HFG03)

Rated Power Output hp (kW) 48 (36) 64 (48) 74 (55)

Operating Speed rpm 1,800 1,800 1,800

Fuel Consumption, 100% load, prime gph (Lph) 2.9 (11.0) 3.3 (12.5) 3.9 (14.8)

Fuel Consumption, 75% load, prime gph (Lph) 2.3 (8.7) 2.5 (9.4) 3.2 (12.1)

Fuel Consumption, 50% load, prime gph (Lph) 1.7 (6.4) 1.7 (6.4) 2.3 (8.7)

EPA Emissions Certification Tier 4 final 4 final 4 final

Battery—Voltage (Quantity of

Batteries) VDC (qty) 12 (1) 12 (1) 12 (1)

Battery—Rating CCA 720 720 720

Capacities

Fuel Tank—Usable gal (L) 90 (341) 90 (341) 90 (341)

Maximum Run Time—100% Load hr 31.0 27.0 23.0

Coolant—System gal (L) 18 (17) 18 (17) 18 (17)

Oil—Crankcase qt (L) 11 (10.4) 12 (11.4) 11 (10.4)

Generator

Make (Model) — Marathon®

(284CSL1542)

Marathon

(285PSL1700)

Marathon

(286PSL1701)

Insulation Class H H H

Poles qty 4 4 4

Voltage Regulation — AVR AVR AVR

Frequency Hz 60 60 60

Power Output

3Ø Standby kW (kVA) 31 (39) 44 (55) 48 (60)

208/480 V A 108 (47) 153 (66) 167 (72)

240 V A 94 122 144

3Ø Prime kW (kVA) 29 (36) 38 (47) 44 (55)

208/480 V A 100 (43) 130 (57) 153 (66)

240 V A 86 114 122

1Ø Standby kW (kVA) 30 (30) 40 (40) 46 (46)

240 V A 125 167 192

1Ø Prime kW (kVA) 27 (27) 33 (33) 42 (42)

240 V A 113 138 175

Power Factor: 3Ø, 1Ø — 0.8, 1.0 0.8, 1.0 0.8, 1.0

AC Distribution

Circuit Breaker Size A 125 225 225

Trailer

Hitch—Standard size, type 2 in (50.8 mm),

ball

2 in (50.8 mm),

ball

2 in (50.8 mm),

ball

Maximum Tire Pressure psi (kPA) 65 (448) 65 (448) 65 (448)

Weight

Skid Mounted—Dry lb (kg) 3,125 (1,418) 2,843 (1,290) 3,305 (1,499)

Skid Mounted—Operating lb (kg) 3,860 (1,751) 3,580 (1,624) 4,040 (1,833)

Trailer Mounted—Dry lb (kg) 3,725 (1,690) 3,363 (1,525) 3,905 (1,771)

Trailer Mounted—Operating lb (kg) 4,460 (2,023) 4,100 (1,860) 4,640 (2,105)

Specifications are subject to change without notice.

12 Owner’s Manual for Mobile Generator

General Information

Unit Dimensions

Figure 2-1. Unit Dimensions—MMG35DF4, MMG45IF4, MMG55DF4

LW H

Skid Mounted 95 in (2.41 m) 39 in (0.99 m) 65 in (1.65 m)

Trailer Mounted 152 in (3.81 m) 58 in (1.45 m) 83 in (2.11 m)

WL01906

Owner’s Manual for Mobile Generator 13

General Information

Unit and Serial Number Locations

See Figure 2-2 to locate the unit ID tag (A) (located

behind breaker door beneath breakers) and vehicle

identification number (VIN) tag (B). Important information

such as the unit model number, serial number, VIN, and

tire loading information are listed on these tags. Record

the information from these tags in the event the tags are

lost or damaged. This information may be needed when

ordering parts or requesting assistance.

Figure 2-2. Unit and Serial Number Locations

Altitude and Temperature Limitations

All units are subject to derating for altitude and

temperature; this will reduce the available power for

operating tools and accessories connected to the outlets.

Typical reductions in performance are 0.5% for every

1,000 ft (305 m) and 2-4% for every 1,000 ft (305 m) above

10,000 ft (3,048 m) of elevation, and 1% per 10 °F (5.6 °C)

increase in ambient air temperature over 72 °F (22 °C).

008083

14 Owner’s Manual for Mobile Generator

General Information

Component Locations

Exterior

Figure 2-3. Exterior Components

AEngine exhaust IBreaker panel access door

BRadiator access panel JCoolant and oil drain

CUnit lift point KLug box access door

DFuel fill port LReceptacle panel

ESide marker MEmergency stop switch

FRear stabilizer mount NTail light (2 locations)

GTie-down point OControl panel access door

HTongue jack

008881

Owner’s Manual for Mobile Generator 15

General Information

Connection Panel

Figure 2-4. Connection Panel Components

AMain circuit breaker IGround connection lug

BPanel light JConnection lugs

C50A circuit breaker (3 locations) KCam lock receptacle (5 locations) (if equipped)

DService lights switch L120V/240V twist-lock outlets

E20A circuit breaker (2 locations) MConnection for optional equipment Inlet

FLug door safety switch N120 V GFCI outlet (2 locations)

GRemote start terminal block OConnection for battery charger (if equipped)

HNeutral grounding bar PEmergency stop switch

01882

16 Owner’s Manual for Mobile Generator

General Information

Control Panel

Figure 2-5. Control Panel Components

AGenset controller FGenerator lights switch

BPanel light GEngine speed switch

CVoltage selector switch HController power switch

D[not used] IVoltage adjustment dial (Potentiometer)

EFuel transfer switch

008882

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Generac MMG35DF4 Owner's manual

Brand: Generac

Model: MMG35DF4

Category: Power generators

Type: Owner's manual

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Generac MMG35DF4 Owner's manual

Generac MMG35DF4 Owner's manual

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