Product Manual
Table Of Contents
- Table of Contents
- Safety
- General Information
- Specifications
- Unit Serial Number Locations
- Component Locations
- Control Panel
- Power Zone⢠Gen Controller
- Controller Features and Functions
- Operator Screens
- Alarm Mute
- Auto/Manual Mode
- Navigation Buttons
- Control Power Switch
- Engine Start
- Engine Stop/Reset
- The Liquid Crystal Display (LCD)
- Operator Screens
- Home Screen
- Engine Screen
- Generator Screen
- Voltage Adjust Screen
- Maintenance Screens
- Generator Summary
- Engine Tab
- Generator Tab
- Alarms Tab
- Input/Output Tab
- Schedule Tab
- Status Tab
- Generator Monitoring
- Engine Monitoring
- Controller Information Displays, Functions and Reset
- Belt Tensioners
- Operation
- Prestart Checklist
- Manual Starting of the Unit
- Auto (Remote) Starting of the Unit
- Derating for Altitude
- Generator Output Connection Lugs
- Fine Voltage Adjustment
- Voltage Selector Switch
- Voltage Regulation
- Customer Convenience Receptacles
- Main Circuit Breaker
- Exhaust Filter Cleaning Operations
- Transfer Switch
- Auto Exercise Timer
- Shutting Down the Unit
- Emergency Stop Switch
- Idle Switch (MMG25I-45I only)
- Towing the Unit
- Lifting the Unit
- Maintenance
- Emissions Information
- Daily Walk Around Inspection
- General Maintenance
- Basic Maintenance Schedule - Isuzu Engine
- Basic Maintenance Schedule - John Deere Engine
- Isuzu Engine Break-In Requirements
- John Deere Engine Break-In Requirements
- Resetting the Maintenance Alarms
- Checking Generator Drive Plate Torque
- Jack Maintenance
- Trailer Wheel Bearings
- Troubleshooting
- Wiring Diagrams
- AC Wiring - MMG25IF4, MMG45IF4
- AC Wiring - MMG35DF4, MMG55DF4
- AC Wiring - 4 Pos. Voltage Selector Switch Option - MMG25IF4, MMG45IF4
- AC Wiring - 4 Pos. Voltage Selector Switch Option - MMG35DF4, MMG55DF4
- AC Wiring Option - Standard Receptacles
- AC Wiring Option - Engine Heater
- AC Wiring Option - Buck Transformer
- AC Wiring Option - PMG
- DC Wiring
- Trailer Lights Wiring
- Wiring Harness - Electric Brake Option
- DC Wiring Option - 12V Battery Charger
- DC Wiring Option - Low Oil Level
- Options & Accessories
Operation
36949 B MMG25I-35D-45I-55DF4 Operating Manual 35
3. Connect any trailer wiring to the tow vehicle. Check for proper operation of the directional and brake lights.
4. Make sure the doors are properly latched.
5. Check for proper inflation of the trailer tires. For maximum tire pressures, refer to Specifications.
6. Check 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:
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, re-torque the lug nuts in sequence.
Figure 3-11. Lug Sequence
7. 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).
LIFTING THE UNIT
A central lift point is located on the top of the unit. The
central lift point is connected to a lift structure inside the
unit. Attach a sling or hook directly to the central lift point
only if the devices are in good condition and the equip-
ment being used to raise the unit has sufficient capacity.
For approximate weights, refer to Specifications. Always
remain aware of people and objects around when moving
or lifting the unit. Keep the doors closed and locked.
Figure 3-12. Central Lift Point Location
5
2
3
4
1
00204
Central Lift Point
01035










