Komatsu PC210-8, Shop Manual

Page: 961 / 1200

50 Disassembly and assembly UEN00659-00
PC210, 230, 240-8
3
2. Disassembly and assembly of assem-
blies
Special tools
q
Special tools which are deemed neces-
sary for removal or installation of parts are
described as
A1 ,••• X1 etc. and their part
names, part numbers and quantities are
described in the special tool list.
q
Also the following information is described
in the special tool list.
1) Necessity
t : Special tools that cannot be substi-
tuted 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.
3) Circle mark
Q
in sketch column:
q
The sketch of the special tool is pre-
sented in the section of "Sketches of
special tools".
q
Part No. of special tools starting with
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
removal or installation are described
as [1],[2]•••etc. and their part names,
part numbers and quantities are not
described.
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 meanings of the symbols used in Disas-
sembly section are as follows.
k
: This mark indicates safety-related precau-
tions that must be followed when imple-
menting 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.
q
The meanings of the symbols used in Assem-
bly section are as follows.
k
: Precautions related to safety in execution
of work
1
: Work that must be carried out with ex-
treme care for safety of machine.
a
: Know-how or precautions for work
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.
* *** ****