PART ONE
CRANE (REVOLVING FRAME)
CHAPTER 1
INTRODUCTION
Section I. GENERAL
1-1. Scope
quantity. Numbers preceding nomenclature callouts on
a. This manual contains instructions for the use of
illustrations indicate the preferred maintenance
Direct Support and General Support personnel
sequence.
maintaining the model M320T2 truck crane. It gives
1-2. Forms and Records
instructions for maintenance, as specified in the
a. Maintenance records and reports which are used
Maintenance Allocation Chart (MAC), which is beyond
by maintenance personnel at all levels are listed in and
the scope of Operator/Crew or Organizational
prescribed by TM 38-750.
Maintenance personnel.
b.
Report
of
errors,
omissions,
and
b. This manual is divided into two parts. Part One
recommendations for improving this publication by the
covers repair instructions for the crane (revolving frame)
individual user is encouraged.
Reports should be
portion of the truck crane. Part Two covers repair of the
submitted
on DA
Form
2028, (Recommended
carrier portion of the truck crane.
Maintenance
Changes to Publications) and forwarded direct to
personnel should read the instructions contained in this
Commanding General, U. S. Army Mobility Equipment
manual before
Command, ATTN: AMSME-MPP,
4300 Goodfellow
repairing the equipment.
Blvd., St. Louis, Mo. 63120. --
c. Refer to appendix A for a list of publications
applicable to this manual.
d. Numbers in parentheses on illustrations indicate
Section II. DESCRIPTION AND DATA
Horsepower , ............................. 201 net hp at 2800 rp
1-3. Description
........................................... full load
a. A general description of the model M320T2 truck
Displacement ............................. 549 cubic inches
crane and information pertaining to the identification
Ignition timing ............................. Top dead center
plates are contained in TM 5-3810-294-10 and TM 5-
Governed speed (high idle)........ 2800+10 rpm
3810_-294-20. Equipment operating instructions are
Low idle speed ........................... 450+50 rpm
also contained in TM 5-3810-294-10.
Maximum oil pressure
b. A detailed description of specific components and
(above 1500 rpm) ................ 50 to 55 pounds per
assemblies is contained, as applicable, in the
square inch
maintenance sections of this manual.
Minimum oil pressure
14. Tabulated Data
(idling) ................................. 15 to 20 pounds per
a. General. This section supplements the tabulated
square inch
data contained in TM 5-3810-294-10 and TM 5-3810-
Intake and exhaust valve
294-20. (Refer to these technical
tappet clearance ................. Engine equipped with
manuals as required.)
hydraulic valve lifters.
b. Tabulated data.
Tappet clearance ad-
(1) Truck crane.
justments not
Manufacturer ..............................Harnischfeger Cor-
required.
poration
Electrical system
24 volts, negative
Model..........................................M320T2
ground
Spark plug gap ........................... 0.028 to 0.033 inch
(2) Carrier engine.
Distributor point gap .................. 0.017 inch
Manufacturer ..............................International Harvester
(3) Crane engine.
Company
Manufacturer .............................. International Harvester
Company
Model..........................................UV-549
Number of cylinders ..................8
1-1
