Kohler Command PRO CH740NG [4/88] Maintenance

Kohler Command PRO CH740NG [4/88] Maintenance
Maintenance
4 24 690 30 Rev. DKohlerEngines.com
OIL RECOMMENDATIONS
Synthetic oil is recommended for use in LPG/NG fueled
engines. Non-synthetic oil must be low ash* rated oil.
Oils (including synthetic) must meet API (American
Petroleum Institute) service class SG, SH, SJ, or SL.
Select viscosity based on air temperature at time of
operation as shown in table below.
*Low ash is de ned as less than 1% sulfated ash.
FUEL RECOMMENDATIONS
WARNING
Explosive Fuel can cause res and severe
burns.
If a gaseous odor is detected, ventilate area
and contact an authorized service technician.
LPG is extremely ammable and is heavier than air
and tends to settle in low areas where a spark or ame
could ignite gas. Do not start or operate this engine
in a poorly ventilated area where leaking gas could
accumulate and endanger safety of persons in area.
NG is extremely ammable, is lighter than air, and
rises. Do not start or operate this engine in a poorly
ventilated area where leaking gas could accumulate
and endanger safety of persons in area.
To ensure personal safety, installation and repair of
LPG/NG fuel supply systems must be performed only
by quali ed LPG/NG system technicians. Improperly
installed and maintained LPG/NG equipment could
cause fuel supply system or other components to
malfunction, causing gas leaks.
Observe federal, state and local laws governing LPG/
NG fuel, storage, and systems.
This engine is certi ed to operate on LPG or LPG/NG.
LPG Engines
LPG from an appropriate LPG fuel tank (supplied
separately) is required to operate this engine.
NG Engines
NG from an approved system or source of supply can be
used to operate this engine.
STORAGE
If engine will be out of service for 2 months or more
follow procedure below.
1. Change oil while engine is still warm from operation.
Remove spark plug(s) and pour about 1 oz. of
engine oil into cylinder(s). Replace spark plug(s) and
crank engine slowly to distribute oil.
2. Disconnect negative (–) battery cable.
3. Separate LPG tank from unit and store separately in
an area designated for safe LPG tank storage.
4. Store engine in a clean, dry place.

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