TM 5-3805-258-24-2
SECTION I
GENERAL
1-1 Purpose
To provide user and support and personnel supplemental
maintenance and repair parts instructions that have special
application to Commercial Construction Equipment (CCE) items.
1-2 Scope.
This section applies to department of the Army Units,
Organizations and Activities that use\or support the CCE Scoop Loader,
Caterpillar Model 950B.
1-3 CCE Item.
The term "CCE Item" used in this publication applies
to a standard commercial item of commercial equiment that has been
approved for a specific TOE requirement and is procured and supported
under the CCE system plan.
This plan permits maximum utilization of
the civilian construction industrys competitive research and
development, manufacturers equipment publications, and commercial
sources for repair parts.
1-4
Description:
A.
This loader is a commercial 2 1/2 cubic yard capacity
loader, scoop type, DED 4 x 4 articulated frame steering.
The loader
is a Caterpillar Tractor Co. Model 950B front end scoop loader that is
rubber tire mounted.
When equipped with the 2 1/2 cubic yard
multi-purpose bucket, non-sectionalized, it is referred to as the Type
I Loader, Models 950BNS and 950BNSCE.
When equipped with a 2 1/2
cubic yard multi-purpose bucket, sectionalized, it is referred to as
the Type II Loader, Models 950BS and 950BSCE.
The Loader will be
identified by the CCE manufacturers serial number and the United
States Army (USA) number.
The NSNS for the Type I machines are, Model
950BNS NSN 3805-01-126-7914, Model 950BNSCE NSN 3805-01-260-5163.
The
NSNS for the Type II machines are, Model 950BS NSN 3805-01-126-7915,
Model 950BSCE NSN 3805-01-260-5162.
B.
The Loader is powered by a Caterpillar 3304 engine which
develops 155 HP (2200 RPM) at the flywheel.
The power train consists
of a single stage torque converter and planetary power shift
transmission.
The Torque Converter drives a planetary transmission.
The transmission has four speeds FORWARD and four speeds REVERSE. It
has a planetary gear system and six hydraulic clutches.
The gear on
the transmission output shaft is engaged with the transfer output
shaft gear to send power through universal joints to the drive
shafts.
The drive shafts are connected with splines to a pinion shaft
in each differential.
The pinion shaft turns a bevel gear which is
fastened to the differential case.
The differential case contains
four pinions, installed on a spider and two gears.
The four pinions
are engaged at right angles with two side gears.
The side gears are
connected with splines to the inner ends of the the drive axles.
5-533