CHAPTER 1
INTRODUCTION
Section I. GENERAL
these improvements. This form may be completed
1. Scope
using pencil, pen, or typewriter. DA Forms 2028 will be
These instructions are published for the
a.
completed in 'triplicate and forwarded by the individual
use of field and depot maintenance personnel
using the manual. The original and one copy will be
maintaining the Eagle Model 5157 Jaw Crusher. They
forwarded direct to the Commanding Officer, U. S.
provide information on the maintenance of the
Army Mobility Support Center, ATTN: SMOMS-MM, P.
equipment which is beyond the scope of the tools,
0O. 119, Columbus, Ohio 43216. One information copy
equipment, personnel, or supplies normally available to
will be provided to the individual's immediate
using organizations.
supervisor, (e.g., officer, noncommissioned officer,
supervisor, etc.).
Appendix I contains a list of publications
b.
applicable to this manual. The Maintenance Allocation
e.
Report all equipment improvement
Chart is located in the -20 Organizational Maintenance
recommendations as prescribed by TM 38-750.
Manual TM 5-382020520/2.
Field and depot
maintenance repair parts are listed in TM 53820-2065-
2. Record and Report Forms
35P/2.
For record and report forms applicable to field and
depot maintenance refer to TM 38750.
c.
Numbers in parentheses on illustrations
Note
indicate quantity. Numbers preceding nomenclature
callouts on illustrations indicate the preferred
Applicable forms, excluding standard
maintenance sequence.
Form 46 which is carried by the
operator, shall be kept in a canvas
The direct reporting of errors, omissions
d.
bag mounted on the equipment.
and recommendations for improving this equipment
,manual by the individual user, is authorized and
encouraged. DA Form 2028 will be used for reporting
Section II. DESCRIPTION AND DATA
3. Description
Maximum rpm--(no load 1,530 rpm (revolu
A general description of the Jaw Crusher, the
governed).
tions per minute).
location and description of the identification and
Compression ratio .......... 14.7:1
instruction plates, and information on the difference in
Displacement ................. 802 cu. in. (cubic
models are contained in TM 53820-206-10/2. A more
inches).
detailed description of the components is contained in
Number of cylinders ....... 6
TM -3820205-20/2.
The repair and maintenance
Bore and stroke .............. 5-9/16 x 56 in.
instructions are described in appropriate sections of this
Brake horsepower .......... 144 at 1,400 rpm
manual.
Torque ........................... 620 ft-lb (foot-
pounds) at 1,800
4. Tabulated Data
rpm
General. This paragraph contains all the
a.
AGO USN overhaul data pertinent to field and depot
maintenance personnel.
b.
Diesel Engine Classification and Rating.
3