Product Manual
Table Of Contents
- Section 1: Introduction and Safety
- Section 2: General Information
- Section 3: Operation
- Pre-start Checklist
- Manually Starting the Unit
- AUTO (Remote) Starting the Unit
- Wet Stacking
- Cold Weather Operation
- Using a Booster Battery or Charger (if equipped)
- Generator Output Connections
- Generator Cam Lock Connections (If Equipped)
- Using the Voltage Selector Switch
- Fine Voltage Adjustment
- Voltage Regulator
- Achieving 240V Three-Phase in 208V Three-Phase (Parallel Low Wye) Configuration
- Customer Convenience Receptacles
- Main Circuit Breaker
- Transfer Switch
- AUTO Exercise Timer
- Shutting Down the Unit
- Emergency Stop Switch
- Idle Switch
- Using the ECU Override Switch
- Towing the Unit
- Lifting the Unit
- Section 4: Maintenance
- Section 5: Troubleshooting
- Section 6: Wiring Diagrams and Service Log
- Wiring Diagram - 3 Position AC Box
- Wiring Diagram - 4 Position AC Box
- Wiring Diagram - Receptacles
- Wiring Diagram - Engine Heater
- Wiring Diagram - Wiring Buck (If Equipped)
- Wiring Diagram - Power Zone PMG
- Wiring Diagram - Power Zone Control Box
- Wiring Diagram - Trailer Lights
- Wiring Diagram - Brake Wiring
- Wiring Diagram - 12V Battery Charger
- Wiring Diagram - Power Zone Low Oil Level (If Equipped)
- Service Log
Owner’s Manual for MDG25IF4 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)
DANGER
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.
WARNING
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.
(000238)
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)
WARNING
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.
(000351)
(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.
WARNING
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.
(000281)
(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.