CHAPTER 1 INTRODUCTION\

TM 10-3930-630-34

CHAPTER 1

INTRODUCTION

Section I. GENERAL

1-3.

Equipment Serviceability Criteria

1-1.

Scope

This equipment is not covered by an ESC.

This manual contains information necessary for the

Maintenance of Truck, Lift, Fork, Solid Rubber Tired

Wheels, 4000 pound capacity by Direct Support and

1-4.

Destruction of Army Material to Prevent

General Support Maintenance personnel as allocated by

Enemy Use

the Maintenance Allocation Chart.. The manual provides

information on the maintenance of the equipment which

Procedures to be used for destruction of equipment to

is beyond the scope of tools, equipment,

prevent enemy use are defined in TM 750-244-3.

personnel or supplies normally available to Operator

and Organizational Maintenance.

1-5.

Administrative Storage

1-2.

Maintenance Forms and Records

Refer to TM 740-90-1 for instructions pertaining to

administrative storage of the fork lift truck.

Maintenance Forms and Records that are required for

use are explained in TM 38-750.

Section II. DESCRIPTION

(1) Army data plate. This plate includes the type

of truck,

type of tires and model number. It also

1-6.

Description

includes the contract number, serial and registration

numbers, national stock number, and capacity.

A general description of the Fork Lift Truck and

(2) Shipping plate. The shipping plate includes

information pertaining to identification plates are

capacity of lift, shipping weight and wheel loading

contained in TM 10-3930-630-12. A more detailed

weights. It also shows the center of gravity and

description of components and assemblies is contained

applicable heights and distances for important parts of

in the applicable sections of this manual.

the truck.

c. Engine

1-7.

Differences in Models

Make ........................... ................ Continental Motors

Part Number ................. .............. F13508019

Two models of the fork lift truck are covered in this

Valve arrangement ...................... Valve in block

manual, Allis-Chalmers models ACC40-24PS100 and

Number of cylinders ............. ....... 4

ACC40-24PS180. The only difference between the two

Firing order .................................. 1-3-4-2

is the mast and lift cylinders. The ACC40-24PS100 can

Stroke .......................... ............... 4.375 in. (111.1 mm)

lift 4,000 pounds (1812.0 kg) to a height of 100 inches

Bore ........................... ................. 3.000 in. (76.2 mm)

(2540.0 mm), employs a single cluster cylinder, and can

Piston displacement ..................... 135 cu. in. (221 cm3)

be tilted 10 to the rear and 3 forward. The ACC40-

Compression ratio ........... ............ 7.2:1

24PS180 can lift 4, 000 pounds (1812.9 kg) to a height

Idle speed .................. ................. 400-600 rpm

of 180 inches (4572.0 mm), employs a cluster cylinder

Under load speed ......................... 2000 rpm

and a single lift cylinder, and can be tilted 5.5 to the

No load speed .............................. 2350-2450 rpm

rear and 3 forward.

All differences affecting

Main bearings .............................. 3

maintenance of the trucks or components will be

Connecting rod bearings ........ ..... 4

covered in the applicable paragraphs.

d. Steering Gear Valve.

Make ........................... ................ Vickers

1-8.

Identification and Tabulated Data

Part number .................. .............. 206-1092-001

Type ............................................ Hydraulic

a. General. This paragraph contains the

e. Hydraulic Pump.

maintenance data pertinent to direct and general

Make ........................... ................ Tyrone Hydraulics

support maintenance personnel.

Part number ................... ............. GPA2-115ADFD

b. Identification. The lift truck has two

Operating pressure....................... 1900-2000 psi (133.7-

identification plates mounted on the right front of the

.................................................... 140.6 kg/cm2)

truck.

Drive ........................... ................ Engine crankshaft

1-1