CHAPTER 1
INTRODUCTION
Section I. GENERAL
1-1.
Scope
1-2.
Record and Report Forms
a. This manual contains instructions for the use of
direct and general support maintenance personnel
a. DA forms and procedures used for equipment
maintaining the American Hoist and Derrick Model 2380
maintenance will be only those prescribed by TM 38-750,
and Model 2385 Rough Terrain Crane as allocated by
The Army Maintenance Management System.
the Maintenance Allocation Chart contained in TM 5-
b. Report
of
errors,
omissions,
and
3810-232-12.
It provides information on the
recommendations for improving this publication by the
maintenance of the equipment which is beyond the
individual user is encouraged.
Reports should be
scope of the tools, equipment, personnel, or supplies
submitted on DA Form 2028 (Recommended Changes
normally available to operational and organizational
to Publications) and forwarded direct to the Commanding
maintenance.
General, U. S. Army Mobility Equipment Command,
b. Numbers in parentheses on illustrations indicate
ATTN: AMSMEMPP, 4300 Goodfellow Boulevard, St.
quantity. Numbers preceding nomenclature callouts on
Louis, Mo. 63120.
illustrations indicate the preferred maintenance
sequence.
Section II. DESCRIPTION AND DATA
1-3. Description
Part
Torque
A general description of the Model 2380 and Model 2385
Injector hold-down capscrews .30/35 foot-pounds
Rough Terrain Crane and information pertaining to the
Valve cross-head nuts .............25/30 foot-pounds
identification plates are contained in TM 53810-232-12.
Fuel fittings ..............................11/13 foot-pounds
A more detailed description of specific components and
Intake and exhaust manifold ...30/35 foot-pounds
assemblies is contained in the applicable sections of this
Oil pan drain plug (1 inch) .......60/70 foot-pounds
manual. Detailed descriptions of the components of the
Flywheel capscrews ................200/205 foot pounds
Model 2380 and Model 2385 Rough Terrain Crane are
Flywheel adapter capscrews ...200/205 foot pounds
provided in the applicable maintenance paragraphs of
Flywheel housing capscrews
this manual.
(3/8 inch) ........................28/35 foot-pounds
(2) Nut and bolt torque data (crane engine).
1-4.
Tabulated Data
Part
Torque
a.
General. This paragraph contains all
Cylinder Head:
maintenance data pertinent to direct and general support
3/4-inch capscrews .........400-foot-pounds
and depot maintenance personnel. Additional data is in
11/16-inch capscrews .....260 foot-pounds
TM 5-3810-232-12. Wiring diagrams, figure 1-1 for
Exhaust manifold:
Model 2380 and Model 2385 carrier, and figure 1-2 for
7/16-inch studs (washers or
crane, are also included.
lockplates under nuts)
25 foot-pounds
b. Torque Data
1/2-inch studs (washers or
(1) Nut and bolt torque data (carrier engine).
lockplates under nuts) .............30 foot-pounds
Part
Torque
1/2-inch studs .................45 foot-pounds
Main bearing capscrew ........... (See para 3-73)
3/8-inch studs .................25 foot-pounds
Main bearing side bolts ........... (See para 3-73)
3/8-inch capscrews .........22 foot-pounds
Connecting rod nuts................. (See para 3-71)
Main bearings capscrews ........(See para 4-76)
Vibration damper and front pulley. 200/205 foot-pounds
Connecting rod capscrewa ......(See para 4-73)
Crankshaft pipe plug ............... foot-pounds
Flywheel capscrews ................100/110 foot-pounds
Cylinder head capscrews ........ 230/240 foot-pounds
Injector:
Hold-down standard ................10/12 foot-pounds
Nylock
12/14 foot-rounds
Pressure Adjustment (at 140'F
oil (temperature) .............60 inch-pou'rds
Pressure Adjustment (at 70*F
oil temperature) .............48 inch-pounds
Adjusting screw nut .................70 foot-pounds
1-1
