Section 2 Operation; Prestart Checklist; Dc-Ret Controller; Generator Set Master Switch - Kohler 18RESNT Operation

2.1 Prestart Checklist

To ensure continued satisfactory operation, perform the
following checks or inspections before or at each
startup, as designated, and at the intervals specified in
the service schedule. In addition, some checks require
verification after the unit starts.
Air Cleaner. Check for a clean and installed air cleaner
element to prevent unfiltered air from entering the
engine.
Air Inlets. Check for clean and unobstructed air inlets.
Battery. Check for tight battery connections. Consult
the battery manufacturer's instructions regarding
battery care and maintenance.
Exhaust System. Check for exhaust leaks and
blockages. Check the muffler condition and check for
tight exhaust system connections.
Inspect the exhaust system components for cracks,
leaks, and corrosion.
D
Check for corroded or broken metal parts and replace
them as needed.
D
Check that the exhaust outlet is unobstructed.
Oil Level. Maintain the oil level at or near, not over, the
full mark on the dipstick.
Operating Area. Check for obstructions that could
block the flow of cooling air. Keep the air intake area
clean. Do not leave rags, tools, or debris on or near the
generator set.
TP-6517 4/09

Section 2 Operation

2.2 DC-RET Controller

Figure 2-1 illustrates the DC-RET LED display and
controls on the generator set junction box.
2.2.1

Generator Set Master Switch

The generator set master switch is located on the
junction box below the DC-RET display. The master
switch positions are RUN, OFF/RESET, and AUTO.
See Section 2.4 for operation instructions.
1
5
4
1. LED display
2. Generator set master switch (RUN-OFF/RESET-AUTO)
3. Line circuit breaker
4. Fuses
5. RS-232 connector (for application program upgrade)
Figure 2-1 DC-RET Controls
2
3
tp6517
Section 2 Operation 17