4
1.0 INTRODUCTION
The following paragraphs summarize the “Scope of
Supply” of the Engine:
The CLARKE Engine supplied has been
designed for the sole purpose of driving a
stationary Emergency Fire Pump. It must not
be used for any other purpose.
Shall not be subjected to Horsepower
requirements greater than the certified
nameplate rating (for UL/cUL/FM only).
Engines must be sized to cover fully the
maximum power absorbed by any particular
driven equipment together with a safety
factor on no less than 10%. (For Non-listed
only).
De-rates for elevation ambient and
temperature need to be considered for
maximum pump power.
Fuel delivery settings are factory set and
must not be tampered with or adjusted.
Minor RPM adjustments to meet pump
requirements are permissible.
The engine shall be installed and maintained
in accordance with the guidelines stated in
this manual.
Periodic running checks to ensure
functionality should be kept to a maximum of
½ hour per week.
1.1 IDENTIFICATION/NAMEPLATE
Throughout this manual, the terms “Engine”
and “Machine” are used.
The term “Engine” refers solely to the diesel
engine driver as supplied by CLARKE.
The term “Machine” refers to any piece of
equipment with which the engine might
interface.
This manual provides all the information necessary to
operate your newly acquired engine safely and
efficiently, and perform routine servicing correctly.
Please read it carefully.
MODEL NUMBERING & IDENTIFICATION
There are two identification tags attached to each
engine. Clarke Identification Plate: Engine Model,
Serial Number, Rating and Date of Manufacture are
shown on this identification plate. The C18 Series
identification plate is mounted on the back of the left
rear engine mounting foot. (See Figure #1)
Clarke Identification Plates
USA Listed/Approved
Figure #1
Clarke model number reflects the base engine type,
engine displacement, cooling system, environmental
suitability, approval listing, engine speed, and a
power rating code.
Example: C18H0-UFAD22-D
C = Caterpillar base engine
18 = base engine displacement (18.1 liter)
H = Heat Exchanger cooled (R = Radiator)
0 = Non-Hazardous Location
UF = Underwriters Laboratories Listed/
Factory Mutual Approved, (FM = Factory
Mutual Approved)
A = Manufacture Location (United States)
D = Tier 3 Emissions
22 = Power Rating Code
-D = Suffix for PLD engines (D = Discharge
Pressure Control), (S = Suction Pressure
Control)
Caterpillar Identification Label: The second
identification tag contains the Caterpillar Feature
Code and Serial Number. On the C18 Series, the
Caterpillar identification tag is located on the left-
hand side of the engine forward of the air intake.