Komatsu Galeo PC138US-8 Shop Manual page 779

50 Disassembly and assembly
2. Disassembly and assembly of assem-
blies
Special tools
Special tools which are deemed neces-
q
sary for disassembly and assembly of
parts are described as A1,•••X1 etc. and
their part names, part numbers and quan-
tities are described in the special tool list.
Also the following information is described
q
in the special tool list.
1) Necessity
t : Special tools that cannot be substituted
and should always be used (installed).
q : Special tools that will be useful if avail-
able and are substitutable with com-
mercially 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.
Circle mark Q in sketch column:
3)
The sketch of the special tool is pre-
q
sented in the section of "Sketches of
special tools".
Part No. of special tools starting with
q
* *** ****
79 T-
means that they can not be supplied
from Komatsu in Japan (i.e. locally
made parts ).
a General tools that are necessary for dis-
assembly and assembly are described
as [1], [2]•••etc. and their part names,
part numbers and quantities are not
described.
PC138US, USLC-8
- :
Disassembly
In "Disassembly" section, the work procedures,
q
precautions and know-how for carrying out
those procedures, and quantity of the oil and
coolant drained are described.
The meanings of the symbols used in "Disas-
q
sembly" section are as follows.
k
: Precautions related to safety in execution
of work.
a : This mark gives guidance or precautions when
doing the procedure.
6
: Quantity of oil or coolant drained
Assembly
In "Assembly" section, the work procedures,
q
precautions and know-how for carrying out
those procedures, and quantity of the oil and
coolant added are described.
The meanings of the symbols used in "Assem-
q
bly" 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
Various special tools are illustrated for the con-
q
venience of local manufacture.
SEN02709-00
3