Komatsu ecot3 PC300LC-8 Shop Manual page 867

50 Disassembly and assembly
2. Disassembly and assembly of assemblies
Special tools
q The special tools necessary for the disassembly
and assembly work are indicated by symbols as
A1 ••• X1 and their part Nos., part names, and
quantity are described in the table.
q In the special tools table, the following informa-
tion is described, as well as theabove 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).
PC300, 350-8
Disassembly
q In Disassembly section, the work procedures,
precautions and know-how for carrying out those
procedures, and quantity of the oil and coolant
drained are described.
q The common tools necessary for the disassem-
bly work are indicated [1],[2]••• and their part
Nos., part names, and quantity are not de-
scribed.
The meanings of the symbols used in Disassem-
q
bly section are as follows.
k
: This mark indicates safety-related precau-
tions that must be followed when implement-
ing the work.
a : Know-how or precautions for work
6
: Quantity of oil or coolant drained
Assembly
q In Assembly section, the work procedures, pre-
cautions and know-how for carrying out those
procedures, and quantity of the oil and coolant
added are described.
The common tools necessary for the assembly
q
work are indicated [1],[2]••• and their part Nos.,
part names, and quantity are not described.
q The meanings of the symbols used in Assembly
section are as follows.
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.
SEN02635-02
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