Komatsu BR380JG-1E0, Shop Manual, Page: 790 / 841

50 Disassembly and assembly SEN02737-00
BR380JG-1E0
3
2. Disassembly and assembly of assemblies
Special tools
q
Special tools which are deemed neces-
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.
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
disassem bly and assemb ly ar e
described as [1],[2]•••etc. and their
part names, part numbers and quanti-
ties 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 pre-
cautions that must be followed when
implementing 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 execu-
tion of work.
a
: This mark gives guidance or precautions
when doing the procedure.
2
: Type of coating material
4
: 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.
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