INTRODUCTION AND GENERAL DESCRIPTION

INTRODUCTION AND GENERAL DESCRIPTION

combustion gasoline engine. A hydraulic torque

INTRODUCTION

converter provides fluid coupling of power from the

engine to the transmission. The transmission is a

This manual contains operation and service instructions

hydraulically operated unit which provides one range of

for the Model S-40C-P Fork Lift Trucks manufactured by

speed in forward and one in reverse.

Hyster Company, Portland, Oregon.

Unit serial

numbers covered by the material in this manual are as

DRIVE AXLE AND BRAKES

Follows:

Motive power from the drive shaft is transferred to the

C2D-5928N through C2D-6125N.

drive wheels through a heavy duty spiral bevel

C2D-6542N through C2D-6556N.

differential and wheel mounted reduction gearing. The

brakes are hydraulically actuated.

The Federal Stock Number for the model with a three-

stage upright assembly is 3930-935-7865; the Federal

Stock Number for the model with a free-lift upright

DESCRIPTION OF COMPONENTS

assembly is 3930-935-7866. The model identification

number, the unit serial number, and the Federal Stock

ENGINE. The engine is a four-cylinder inline, side

number appear on the specification plate under the

valve (L-head), four-cycle internal combustion gasoline

instrument panel of the fork lift truck.

engine, producing 45 SAE horsepower at 2600 rpm.

The construction is of the main frame (integral cylinder

PURPOSE

and crankcase) unit power plant type. The crankshaft

has three precision replaceable type main bearings.

The fork lift truck is used for loading, lifting, transporting

Each of the four connecting rods is fitted with a

and stacking cargo and bulk articles packaged, on

precision replaceable type rod bearing. The connecting

pallets, or in bins.

rods are of heat-treated steel and the pistons are of the

cylindrical rib type using two compression rings and two

GENERAL CHARACTERISTICS

oil control rings. Intake and exhaust valves are one-

piece forgings. The cylinder block and cylinder head are

AND PERFORMANCE

waterjacketed for cooling.

The major part of the

combustion space is over the valves and the L-head

The fork lift trucks operate efficiently on floors, docks,

type cylinder head is completely water-jacketed.

and other paved surfaces. The three-stage models

provide lifting heights up to 180 inches, the free-lift

FUEL PUMP AND FILTER. The mechanical fuel pump,

models provide lifting heights to 100 inches. Both

located on the engine, is a diaphragm type unit actuated

models have a working capacity of 4000 pounds. The

by a rocker arm displaced by an eccentric lobe on the

load center of gravity is 24 inches from the front face of

engine camshaft. A fuel filter is located in the fuel pump

the lifting arms.

inlet line.

ENGINE AND POWER TRAIN

HYDRAULIC BRAKE SYSTEM. The automotive type

brakes are mounted on the front axle only. The brake

Power is provided by a four-cylinder, four cycle, internal

system consists of

A-1