Disassembly And Assembly; How To Read This Manual - Komatsu PC130-8 Shop Manual

SEN04126-02

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 indi-
cated by symbols as A1 ••• X1 and their
part Nos., part names, and quantity are
described in the table.
In the special tools table, the following
q
information is described, as well as the
above items.
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)
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 are not available
from Komatsu in Japan (i.e. must be
made locally).
2
- :
1
Removal
The [Removal] section contains procedures
q
and precautions for implementing the work,
know how and the amount of oil or coolant to
be drained.
The common tools necessary for the removal
q
work are indicated [1], [2] ••• and their part
Nos ., pa rt nam es, and qu anti ty ar e n ot
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 imple-
menting 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 coolant
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.
Instructions and precautions for installing parts
q
are shown with [*1] mark in the Installation
Section, identifying which step the instructions
are intended for.
The common tools necessary for the installa-
q
tion work are indicated [1], [2] ••• and their part
Nos ., pa rt nam es, and qu anti ty ar e n ot
described.
Marks shown in the Installation Section stand
q
for 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
Various special tools are illustrated for the con-
q
venience of local manufacture.

50 Disassembly and assembly

(Rev. 2008.12)
PC130-8