Section 2. Operation; Prestart Checklist; Start-Stop Procedure; Automatic De-Icing (For Gasoline Models Only) - Kohler 4CKM Operation And Installation Manual

Rv/mobile generator sets
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To insure continued satisfactory operation, the following
items should be checked before each start-up.

Prestart Checklist

OIL LEVEL: Should be at or near full mark (not over).
AIR INLETS: Must be clear and unobstructed.
COMPARTMENT: Interior must be clean.
AIR CLEANER: Must be clean and properly installed.
AIR SHROUDING: Must be tight and in proper position.
EXHAUST: Tail pipe must be clear, muffler and piping
tight and in good condition.
ELECTRICAL: All connections (including battery) must
be tight.

Start-Stop Procedure

Move the START-STOP switch into the START position
and hold in this position until the engine is running, then
release. Do not crank engine continuously for more
than 10 seconds at a time. A 60 second cool-down
period must be allowed between cranking attempts if the
engine does not start. If the unit fails to start after three
attempts contact an authorized service dealer for repair.
Failure to follow these guidelines may result in burn out
of the starter motor. To stop, move the switch to the
STOP position. If the generator stops automatically,
identify and correct the problem before attempting to
restart.
TP-5393 9/93

Section 2. Operation

Automatic De-Icing
(For Gasoline Models Only)
The automatic de-icing module, mounted between the
carburetor air horn and air cleaner, warms the incoming
air to reduce moisture from being introduced into the fuel
system. The system will function whenever the
generator set is running.
The de-icing module is heated by an internal cartridge
heater which is controlled by high- and low-limit
thermostats. The low-limit thermostat (located in the
intake manifold) will turn the cartridge heater on as the
outside air temperature reaches approximately 40_F
(4_C). When the de-icing module reaches 185_F (85_
C) the high-limit thermostat (located in the de-icing
module) will cycle the cartridge heater off preventing
carburetor icing and crankcase breather freeze up.
When the generator set is turned off, heat retained in the
de-icing module and the carburetor assembly will
reduce condensation from accumulating inside the
carburetor thereby reducing throttle plate icing.
1. De-Icing Module
Figure 2-1. Automatic De-Icing
1
FA-277000-B
Operation 2-1

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