How To Read This Manual - Komatsu ecot3 PC300LC-8 Shop Manual

SEN02635-02

How to read this manual

1. Removal and installation of assemblies
Special tools
q The special tools necessary for the removal and
installation work are indicated by symbols as A1
••• X1 and their part Nos., part names, and quan-
tity are described in the table.
q In the special tools table, the following informa-
tion is described, as well as the above items.
1. Necessity
t :Special tools that cannot be substituted and
should always be used (installed).
:Special tools that will be useful if available
q
and are substitutable with commercially
available tools.
2. Distinction of new and existing special tools
N : Tools newly developed for this model. They
respectively have a new part number.
R : Tools with upgraded part numbers. They are
remodeled from already available tools for other
models.
Blank: Tools already available for other models.
They can be used without any modification.
3. Circle mark Q in sketch column:
The sketch of the special tool is presented in
q
the section of "Sketches of special tools".
q Part No. of special tools starting with
79*T-***-****: means that they are not avail-
able from Komatsu in Japan(i.e. must be
made locally).
2
50 Disassembly and assembly
Removal
q The [Removal] section contains procedures and
precautions for implementing the work, know
how and the amount of oil or coolant to be
drained.
q The common tools necessary for the removal
work are indicated [1], [2]••• and their part Nos.,
part names, and quantity are not described.
Various symbols used in the Removal Section
q
are explained and listed below.
k
:This mark indicates safety-related precau-
tions that must be followed when implement-
ing the work.
a : Know-how or precautions for work
[*1]:This mark shows that there are instructions or
precautions for installing parts.
6
: This mark shows the amount of oil or cool-
ant to be drained.
4
: Weight of part or component
Installation
q Except where otherwise instructed, installation
of parts is done in the reverse order of removal.
q Instructions and precautions for installing parts
are shown with [*1] mark in the Installation Sec-
tion, identifying which step the instructions are
intended for.
q The common tools necessary for the installation
work are indicated [1],[2]••• and their part Nos.,
part names, and quantity are not described.
Marks shown in the Installation Section stand for
q
the following.
k
:Precautions related to safety in execution of
work.
a :This mark gives guidance or precautions when
doing the procedure.
2
:Type of coating material
3
:Tightening torque
5
:Quantity of oil or coolant to be added
Sketches of special tools
q Various special tools are illustrated for the con-
venience of local manufacture.
PC300, 350-8