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TP-6200 10/12 153Section 3 Scheduled Maintenance
3.13 Engine Control Systems
Some generator sets use an engine control system.
Access the control box inside the generator set junction
box to retrieve codes when performing routine
maintenance or troubleshooting engine.
Use the following data for general informational
purposes only. See the Engine Service Manual for
complete information regarding operation and
troubleshooting. Contact an authorized service
distributor/dealer for service or diagnostic equipment.
Engine Control Features
Engine control is an advanced-technology, electronic
engine control system. The system optimizes control of
critical engine functions and provides protection against
serious engine damage.
The major components include the engine control
module, engine sensors, and control box located in the
generator set junction box.
See Figure 3-23 for the Deutz control box features.
A-364162-B
Figure 3-23 Deutz Engine Control Box
See Figure 3-24 for the John Deere engine control box
features.
GM30962-A
Figure 3-24 John Deere Engine Control Box
See Figure 3-25 for the Kohler-branded D300, D350,
D400, D450, and D500 engine control box features.
GM23666-
Figure 3-25 Kohler-Branded Engine Control Box
3.14 Storage Procedure
Perform the following storage procedure before taking a
generator set out of service for three months or longer.
Follow the engine manufacturer’s recommendations, if
available, for fuel system and internal engine
component storage.
3.14.1 Lubricating System
Prepare the engine lubricating system for storage as
follows:
1. Run the generator set for a minimum of 30 minutes
to bring it to normal operating temperature.
2. Stop the generator set.
3. With the engine still warm, drain the oil from the
crankcase.
4. Remove and replace the oil filter.
5. Refill the crankcase with oil suited to the climate.
6. Run the generator set for two minutes to distribute
the clean oil.
7. Stop the generator set.
8. Check the oil level and adjust, if needed.
3.14.2 Cooling System
Prepare the cooling system for storage as follows:
1. Check the coolant freeze protection using a coolant
tester.
2. Add or replace coolant as necessary to ensure
adequate freezing protection. Use the guidelines
included in the engine operation manual.
3. Run the generator set for 30 minutes to redistribute
added coolant.