OPERATORS AND INSTRUCTION MANUAL
AUGER, EARTH, SKID MOUNTED
TEXOMA MODEL 270-9
GENERAL INFORMATION AND DESCRIPTION
This manual contains instructions for use by personnel to whom the Earth Auger, model 270-9 is issued. It
provides instructions on the operation and maintenance of the equipment. Also included are descriptions of
major components and their functions in relationship to other components.
The Earth Auger, Model 270-9 is a self-contained, skid mounted, earth boring assembly driven by a diesel
engine, Detroit Diesel 3-53 Engine. All operations of the boring assembly are controlled by a hydraulic
system. The Auger is capable of boring holes 9 to 24 inches in diameter and to a depth of 9 feet. The
boring assembly can be operated from vertical downward to 600 away from the truck, from vertical to 23 to
the right and from vertical to 30 to left of truck, or 100 toward the truck.
The engine is a Detroit Diesel, 2 cycle in-line 3 cylinder engine.
The transmission is a Funk Manufacturing Company, Model 12B704NO, with four speeds forward and
The Auger Assembly consists of the auger, kelly bar, final drive, and right angle assembly. Operation of the
auger assembly is controlled by the shuttle control and the hand or foot operated throttle control. The
shuttle is used to engage and disengage the drive assembly.
The hydraulic system incorporates load lock valves on both the elevating and leveling cylinders. These
prevent the cylinders from retracting in event of hydraulic system pressure loss.
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