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Operating instructions, Model designation, Pre-start checklist – Kohler Aegis LH640 User Manual

Page 6: Cold weather starting hints

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6

EPA

CARB

Category C
250 Hours
Moderate
125 Hours

Category B
500 Hours
Intermediate
250 Hours

Category A
1000 Hours
Extended
500* Hours

Figure 5. Engine Identification Label.

The Emission Compliance Period referred to on the
Emission Control or Air Index label indicates the
number of operating hours for which the engine has
been shown to meet Federal and CARB emission
requirements. The following table provides the Engine
Compliance Period (in hours) associated with the
category descriptor found on the certification label.

Emission Compliance Period (Hours)

Refer to certification label for engine displacement.

Exhaust Emission Control System for models LH630,
LH640, LH685, LH690 and LH755 is EM. Exhaust
Emission Control System for model LH775 is EM, O2S,
ECM, MFI.

Model Designation

Model LH690 for example: L designates liquid cooled,
H designates horizontal crankshaft, and 690 is the
model designation. A letter suffix designates a specific
version as follows:

Suffix

Designates

S

Electric Start

Operating Instructions

Also read the operating instructions of the equipment this
engine powers.

Pre-Start Checklist

• Check oil level. Add oil if low. Do not overfill.

• Check coolant level. Add coolant if low.

• Check fuel level. Add fuel if low.

• Check radiator, cooling air intake areas and

external surfaces of engine. Make sure they are
clean and unobstructed.

• Check that the air cleaner components and all

shrouds, equipment covers, and guards are in
place and securely fastened.

• Check that any clutches or transmissions are

disengaged or placed in neutral. This is especially
important on equipment with hydrostatic drive.
The shift lever must be exactly in neutral to
prevent resistance which could keep the engine
from starting.

WARNING: Lethal Exhaust Gases!

Engine exhaust gases contain poisonous carbon monoxide.
Carbon monoxide is odorless, colorless, and can cause death if
inhaled. Avoid inhaling exhaust fumes, and never run the
engine in a closed building or confined area.

Cold Weather Starting Hints

1. The cooling system must be filled with coolant

capable of providing proper protection against
freezing at the lowest temperature expected (see
Coolant Recommendations on page 5).

2. Be sure to use the proper oil for the temperature

expected. See Figure 3 on page 4.

3. Declutch all possible external loads.

For Models LH630, LH640, LH685, LH690

For Models LH755 and LH775

SAFETY, MAINTENANCE AND ADJUSTMENTS

1-800-544-2444 www.kohlerengines.com

IMPORTANT ENGINE INFORMATION
THIS ENGINE MEETS EMISSION REGS FOR U.S.
EPA 2005 AND LATER AND EC STAGE II (SN:4) SI
SMALL OFF-ROAD ENGINES AND CA 2005 AND

KOHLER CO. KOHLER, WISCONSIN USA

OEM PROD. NO.

EMISSION COMPLIANCE PERIOD:
EPA:

CARB:

CERTIFIED ON:
REFER TO OWNER'S MANUAL FOR HP RATING,

LATER LSI ENGINES

FAMILY

TYPE APP
DISPL. (CC)
MODEL NO.
SPEC. NO.
SERIAL NO.
BUILD DATE

1-800-544-2444 www.kohlerengines.com

IMPORTANT ENGINE INFORMATION
THIS ENGINE MEETS U.S. EPA PH2, EC STAGE II
(SN:4) AND CA 2008 AND LATER EXH EMISSION
REGS FOR SI SORE

KOHLER CO. KOHLER, WISCONSIN USA

EMISSION COMPLIANCE PERIOD:
EPA:

CARB:

CERTIFIED ON:
REFER TO OWNER'S MANUAL FOR HP RATING,
SAFETY, MAINTENANCE AND ADJUSTMENTS

FAMILY

TYPE APP
DISPL. (CC)
MODEL NO.
SPEC. NO.
SERIAL NO.
BUILD DATE
OEM PROD. NO.

*Extended hours for Models LH755 and LH775 is 1000.

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