Product Manual B
Table Of Contents
- Table of Contents
- 1. IMPORTANT SAFETY INSTRUCTIONS
- 1.1 Warning, Caution, and Note Styles Used in This Manual
- 1.2 General Information
- 1.3 Generator Set Safety Code
- 1.4 Moving Parts Can Cause Severe Personal Injury or Death
- 1.5 Electrical Shocks and Arc Flashes Can Cause Severe Personal Injury or Death
- 1.6 Fuel and Fumes Are Flammable
- 1.7 Batteries Can Explode
- 1.8 Exhaust Gases Are Deadly
- 1.9 The Hazards of Carbon Monoxide
- 1.10 Earth Ground Connection
- 2. Introduction
- 3. Control System
- 4. Operation
- 5. Maintenance
- 6. Troubleshooting
4. Operation7-2018
53A045R242 (Issue 12) Copyright © 2018 Cummins Inc.
Exercise Period
Generator sets on continuous standby must be able to go from a cold start to being
fully operational in a matter of seconds. This can impose a severe burden on engine
parts.
Regular exercising keeps engine parts lubricated, prevents oxidation of electrical
contacts, and in general helps provide reliable engine starting.
Exercise the set for a minimum of ten minutes off-load at least once a week and for
a minimum of 30 minutes with load at least once each month so that the engine
reaches normal operating temperatures.
Low Operating Temperatures
NOTICE
Operating engines at idle (650 to 1000 rpm) in cold ambient temperatures
wastes fuel, accelerates wear, and can result in serious engine damage.
Under low temperature conditions, incomplete combustion will occur,
allowing deposits of unburned tars and carbon to buildup on the valve guide
and valves, and eventually cause valve sticking.
In cold climates it is critical that the following items be appropriately maintained and
selected based on ambient operating temperatures. Check to be sure:
• The battery is properly sized.
• An appropriate mixture of antifreeze is used in the cooling system.
• The proper grade of fuel is being used.
• The correct weight of engine oil is being used.
Use a coolant heater if a separate source of power is available. The optional heater
available from Cummins will help provide reliable starting under adverse weather
conditions. Make sure the voltage of the separate power source is correct for the
heater element rating.
High Operating Temperatures
In high ambient temperatures, when operating at full load, it is normal for the high
temperature warning to be given. This indicates that the engine is operating near to
its maximum capacity and is normal. If operation in high temperature environments
is anticipated, increase the frequency of checks for coolant level, obstructions of
cooling air inlets and outlets, and debris at the radiator.
Refer to the generator set nameplate for the maximum operating temperature, if
applicable.
General Operating Conditions
The area surrounding the generator set is critical for safety and its performance.
Follow the guidelines below.
• Do not stack anything on top of the generator set.