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Cat C0.5,C0.7,C1.1,C1.5,C1.6,C2.2 o&m manual
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SEBU8312-02
January 2010
Operation and
Maintenance
Manual
C0.5, C0.7, C1.1, C1.5, C1.6 and C2.2
Industrial Engines
C6F1-Up (Engine)
C6H1-Up (Engine)
C7H1-Up (Engine)
C6J1-Up (Engine)
C7J1-Up (Engine)
C6K1-Up (Engine)
C6L1-Up (Engine)
G7L1-Up (Engine)
C6M1-Up (Engine)
C6N1-Up (Engine)
G8N1-Up (Engine)
G7P1-Up (Engine)
C8W1-Up (Engine)
C7Y1-Up (Engine)
C8Y1-Up (Engine)
SAFETY.CAT.COM

i03684547
Important Safety Information
Most accidents that involve product operation, maintenance and repair are caused by failure to observe
basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous
situations before an accident occurs. A person must be alert to potential hazards. This person should also
have the necessary training, skills and tools to perform these functions properly.
Improper operation, lubrication, maintenance or repair of this product can be dangerous and
could result in injury or death.
Do not operate or perform any lubrication, maintenance or repair on this product, until you have
read and understood the operation, lubrication, maintenance and repair information.
Safety precautions and warnings are provided in this manual and on the product. If these hazard warnings
are not heeded, bodily injury or death could occur to you or to other persons.
The hazards are identified by the “Safety Alert Symbol” and followed by a “Signal Word” such as
“DANGER”, “WARNING” or “CAUTION”. The Safety Alert “WARNING” label is shown below.
The meaning of this safety alert symbol is as follows:
Attention! Become Alert! Your Safety is Involved.
The message that appears under the warning explains the hazard and can be either written or pictorially
presented.
A non-exhaustive list of operations that may cause product damage are identified by “NOTICE” labels
on the product and in this publication.
Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard.
The warnings in this publication and on the product are, therefore, not all inclusive. You must
not use this product in any manner different from that considered by this manual without first
satisfying yourself that you have considered all safety rules and precautions applicable to the
operation of the product in the location of use, including site-specific rules and precautions
applicable to the worksite. If a tool, procedure, work method or operating technique that is not
specifically recommended by Caterpillar is used, you must satisfy yourself that it is safe for you
and for others. You should also ensure that the product will not be damaged or become unsafe by
the operation, lubrication, maintenance or repair procedures that you intend to use.
The information, specifications, and illustrations in this publication are on the basis of information that
was available at the time that the publication was written. The specifications, torques, pressures,
measurements, adjustments, illustrations, and other items can change at any time. These changes can
affect the service that is given to the product. Obtain the complete and most current information before you
start any job. Caterpillar dealers have the most current information available.
When replacement parts are required for this
product Caterpillar recommends using Caterpil-
lar replacement parts or parts with equivalent
specifications including, but not limited to, phys-
ical dimensions, type, strength and material.
Failure to heed this warning can lead to prema-
ture failures, product damage, personal injury or
death.
In the United States, the maintenance, replacement, or repair of the emission control devices and
systems may be performed by any repair establishment or individual of the owner's choosing.

SEBU8312-02 3
Table of Contents
Table of Contents
Foreword ................................................................. 4
Safety Section
Safety Messages .................................................... 6
General Hazard Information ................................. 10
Burn Prevention .................................................... 12
Fire Prevention and Explosion Prevention ............ 13
Crushing Prevention and Cutting Prevention ........ 15
Mounting and Dismounting ................................... 16
Before Starting Engine .......................................... 16
Engine Starting ..................................................... 17
Engine Stopping ................................................... 17
Electrical System .................................................. 18
Product Information Section
Model Views ......................................................... 20
Product Identification Information ........................ 31
Operation Section
Lifting and Storage ................................................ 33
Gauges and Indicators .......................................... 35
Features and Controls .......................................... 36
Engine Starting ..................................................... 38
Engine Operation .................................................. 42
Engine Stopping ................................................... 45
Cold Weather Operation ....................................... 47
Maintenance Section
Refill Capacities .................................................... 50
Maintenance Recommendations .......................... 60
Maintenance Interval Schedule ............................ 62
Warranty Section
Warranty Information .......................................... 106
Reference Information Section
Engine Ratings ................................................... 107
Customer Service ............................................... 109
Reference Materials ............................................. 111
Index Section
Index .................................................................... 116

4 SEBU8312-02
Foreword
Foreword
Literature Information
This manual contains safety, operation instructions,
lubrication and maintenance information. This
manual should be stored in or near the engine area
in a literature holder or literature storage area. Read,
study and keep it with the literature and engine
information.
English is the primary language for all Caterpillar
publications. The English used facilitates translation
and consistency in electronic media delivery.
Some photographs or illustrations in this manual
show details or attachments that may be different
from your engine. Guards and covers may have
been removed for illustrative purposes. Continuing
improvement and advancement of product design
may have caused changes to your engine which are
not included in this manual. Whenever a question
arises regarding your engine, or this manual, please
consult with your Caterpillar dealer for the latest
available information.
Safety
This safety section lists basic safety precautions.
In addition, this section identifies hazardous,
warning situations. Read and understand the basic
precautions listed in the safety section before
operating or performing lubrication, maintenance and
repair on this product.
Operation
Operating techniques outlined in this manual are
basic. They assist with developing the skills and
techniques required to operate the engine more
efficiently and economically. Skill and techniques
develop as the operator gains knowledge of the
engine and its capabilities.
The operation section is a reference for operators.
Photographs and illustrations guide the operator
through procedures of inspecting, starting, operating
and stopping the engine. This section also includes a
discussion of electronic diagnostic information.
Maintenance
The maintenance section is a guide to engine care.
The illustrated, step-by-step instructions are grouped
by fuel consumption, service hours and/or calendar
time maintenance intervals. Items in the maintenance
schedule are referenced to detailed instructions that
follow.
Use fuel consumption or service hours to determine
intervals. Calendar intervals shown (daily, annually,
etc.) may be used instead of service meter intervals
if they provide more convenient schedules and
approximate the indicated service meter reading.
Recommended service should be performed at the
appropriate intervals as indicated in the Maintenance
Interval Schedule. The actual operating environment
of the engine also governs the Maintenance Interval
Schedule. Therefore, under extremely severe,
dusty, wet or freezing cold operating conditions,
more frequent lubrication and maintenance than is
specified in the Maintenance Interval Schedule may
be necessary.
The maintenance schedule items are organized for
a preventive maintenance management program. If
the preventive maintenance program is followed, a
periodic tune-up is not required. The implementation
of a preventive maintenance management program
should minimize operating costs through cost
avoidances resulting from reductions in unscheduled
downtime and failures.
Maintenance Intervals
Perform maintenance on items at multiples of the
original requirement. Each level and/or individual
items in each level should be shifted ahead or back
depending upon your specific maintenance practices,
operation and application. We recommend that
the maintenance schedules be reproduced and
displayed near the engine as a convenient reminder.
We also recommend that a maintenance record be
maintained as part of the engine's permanent record.
See the section in the Operation and Maintenance
Manual, “Maintenance Records” for information
regarding documents that are generally accepted
as proof of maintenance or repair. Your authorized
Caterpillar dealer can assist you in adjusting your
maintenance schedule to meet the needs of your
operating environment.
Overhaul
Major engine overhaul details are not covered in the
Operation and Maintenance Manual except for the
interval and the maintenance items in that interval.
Major repairs are best left to trained personnel or
an authorized Caterpillar dealer. Your Caterpillar
dealer offers a variety of options regarding overhaul
programs. If you experience a major engine failure,
there are also numerous after failure overhaul options
available from your Caterpillar dealer. Consult with
your dealer for information regarding these options.

SEBU8312-02 5
Foreword
California Proposition 65 Warning
Diesel engine exhaust and some of its constituents
are known to the State of California to cause cancer,
birth defects, and other reproductive harm.
Battery posts, terminals and related accessories
contain lead and lead compounds. Wash hands
after handling.

6 SEBU8312-02
Safety Section
Safety Messages
Safety Section
i02639935
Safety Messages
SMCS Code: 1000; 7405
S/N: C6F1-Up
S/N: C7H1-Up
S/N: C6J1-Up
S/N: C6L1-Up
S/N: G7L1-Up
S/N: C6M1-Up
S/N: C6N1-Up
S/N: C8W1-Up
S/N: C7Y1-Up
S/N: C8Y1-Up
There may be several specific safety messages on
an engine. The exact location of the hazards and
the description of the hazards are reviewed in this
section. Please become familiar with all warning
signs.
Ensure that all of the warning signs are legible. Clean
the warning signs or replace the warning signs if
the words cannot be read or if the pictures are not
visible. When the warning signs are cleaned, use a
cloth, water, and soap. Do not use solvent, gasoline,
or other harsh chemicals to clean the warning signs.
Solvents, gasoline, or harsh chemicals could loosen
the adhesive that secures the warning signs. The
warning signs that are loosened could drop off of
the engine.
Replace any damaged warning signs or missing
warning signs. If a warning sign is attached to a part
of the engine that is replaced, install a new warning
sign on the replacement part. Any Caterpillar dealer
can provide new warning signs.
Do not work on the engine and do not operate the
engine unless the instructions and warnings in the
Operation and Maintenance Manual are understood.
Correct care is your responsibility. Failure to follow
the instructions or failure to heed the warnings could
result in injury or in death.
The warning labels that may be found on the engine
are illustrated.

SEBU8312-02 7
Safety Section
Safety Messages
g01324126
Illustration 1
(A) Location of the warning labels
(1) C0.5
(2) C0.7
(3) C1.1
(4) C1.5
(5) C1.6
(6) C2.2

8 SEBU8312-02
Safety Section
Safety Messages
g01324528
Illustration 2
(B) Location of ether warning labels
(1) C0.5
(2) C0.7
(3) C1.1
(4) C1.5
(5) C1.6
(6) C2.2

SEBU8312-02 9
Safety Section
Safety Messages
Universal Warning (A)
g01154807
Illustration 3
Warning label (A) is installed in different locations.
The location will change according to the physical
size of the engine. Refer to illustration 1 for the
location of the warning labels.
Do not operate or work on this equipment unless
you have read and understand the instructions
and warnings in the Operation and Maintenance
Manuals. Failure to follow the instructions or
heed the warnings could result in serious injury
or death.
No Ether (B)
g01324227
Illustration 4
Warning label (B) is installed in different locations.
The location will change according to the physical
size of the engine. Refer to illustration 2 for the
location of the warning labels.
Do not use aerosol types of starting aids such as
ether. Such use could result in an explosion and
personal injury.

10 SEBU8312-02
Safety Section
General Hazard Information
i03704500
General Hazard Information
SMCS Code: 1000; 7405
S/N: C6F1-Up
S/N: C7H1-Up
S/N: C6J1-Up
S/N: C6L1-Up
S/N: G7L1-Up
S/N: C6M1-Up
S/N: C6N1-Up
S/N: C8W1-Up
S/N: C7Y1-Up
S/N: C8Y1-Up
g00104545
Illustration 5
Attach a “Do Not Operate” warning tag or a similar
warning tag to the start switch or to the controls
before the engine is serviced or before the engine is
repaired. These warning tags (Special Instruction,
SEHS7332) are available from your Caterpillar
dealer. Attach the warning tags to the engine and to
each operator control station. When it is appropriate,
disconnect the starting controls.
Do not allow unauthorized personnel on the engine,
or around the engine when the engine is being
serviced.
Engine exhaust contains products of combustion
which may be harmful to your health. Always start the
engine and operate the engine in a well ventilated
area. If the engine is in an enclosed area, vent the
engine exhaust to the outside.
Cautiously remove the following parts. To help
prevent spraying or splashing of pressurized fluids,
hold a rag over the part that is being removed.
•
Filler caps
•
Grease fittings
•
Pressure taps
•
Breathers
•
Drain plugs
Use caution when cover plates are removed.
Gradually loosen, but do not remove the last two
bolts or nuts that are located at opposite ends of
the cover plate or the device. Before removing the
last two bolts or nuts, pry the cover loose in order to
relieve any spring pressure or other pressure.
g00702020
Illustration 6
•
Wear a hard hat, protective glasses, and other
protective equipment, as required.
•
When work is performed around an engine that is
operating, wear protective devices for ears in order
to help prevent damage to hearing.
•
Do not wear loose clothing or jewelry that can snag
on controls or on other parts of the engine.
•
Ensure that all protective guards and all covers are
secured in place on the engine.
•
Never put maintenance fluids into glass containers.
Glass containers can break.
•
Use all cleaning solutions with care.
•
Report all necessary repairs.
Unless other instructions are provided, perform
the maintenance under the following conditions:
•
The engine is stopped. Ensure that the engine
cannot be started.
•
The protective locks or the controls are in the
applied position.
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$30.99
This operation and maintenance manual is for the Cat C0.5, C0.7, C1.1, C1.5, C1.6, and C2.2 engines, spanning 120 pages. It covers the following serial number (s/n) ranges:
- C6F1-Up
- C6H1-Up
- C7H1-Up
- C6J1-Up
- C7J1-Up
- C6K1-Up
- C6L1-Up
- G7L1-Up
- C6M1-Up
- C6N1-Up
- G8N1-Up
- G7P1-Up
- C8W1-Up
- C7Y1-Up
- C8Y1-Up
This manual is essential for understanding the operation and maintenance requirements of the engine. It provides detailed information on periodical inspections and maintenance tasks, and it is recommended to be kept with the machine at all times.