Precautions When Performing Operation - Komatsu PC200-8M0 Shop Manual

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SEN06112-00

Precautions when performing operation

q
When performing "removal or installation" and "disassembly or assembly" of the components, observe
the following general cautions.
Precautions for removal work
q
If the coolant contains antifreeze, dispose of it correctly as chemicals. Do not drain the coolant to the
sewage rashly.
After disconnecting the hoses or tubes, plug them to prevent dirt or dust from entering.
q
q
When draining oil, prepare a container with sufficient capacity.
q
Check the match marks which indicate the installing position, and put match marks on the places where
they seem necessary before removal of the components to prevent any mistake when assembling.
q
To prevent any excessive force from being applied to the wiring, always hold the connectors when dis-
connecting the connectors. Do not pull the wires.
q
Attach the tags to wires and hoses to show their installing positions to prevent any mistake when install-
ing.
q
Check the number and thickness of the shims, and keep them in a safe place.
q
When hoisting the components, prepare the slings with sufficient strength.
When using forcing screws to remove any component, tighten the forcing screws uniformly and alter-
q
nately.
q
Before removing any component, clean the surrounding area and cover the component to prevent any
foreign material from entering after removal.
a Precautions when handling piping during disassembly
Use the plugs indicated below for the pipes disconnected at the disassembly.
Face seal type hoses and tubes
Nominal No.
02
03
04
05
06
Split flange type hoses and tubes
Nominal No.
Flange (hose end)
04
05
32
00-200
Plug (nut end)
07376-70210
07376-70315
07376-70422
07376-70522
07376-70628
07379-00400
07379-00500
200 Foreword and general information

Precautions when performing operation

Sleeve head (tube end)
07378-10400
07378-10500
Sleeve nut (elbow end)
02789-20210
02789-20315
02789-20422
02789-20522
02789-20628
Split flange
07371-30400
07371-30500
PC200, 200LC, 220, 220LC-8M0
1

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Pc200lc-8m0Pc220-8m0Pc220lc-8m0

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