SEN00892-04
00 Index and foreword
26
PC1250-8
Precautions when carrying out operation
1
[When carrying out removal or installation (disassembly or assembly) of units, be sure to follow the general
precautions given below when carrying out the operation.]
1.
Precautions when carrying out removal work
q
If the coolant contains antifreeze, dispose of it correctly.
q
After disconnecting hoses or tubes, cover them or fit plugs to prevent dirt or dust from entering.
q
When draining oil, prepare a container of adequate size to catch the oil.
q
Confirm the match marks showing the installation position, and make match marks in the necessary
places before removal 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
Fit wires and hoses with tags to show their installation position to prevent any mistake when installing.
q
Check the number and thickness of the shims, and keep in a safe place.
q
When raising components, be sure to use lifting equipment of ample strength.
q
When using forcing screws to remove any components, tighten the forcing screws uniformly in turn.
q
Before removing any unit, clean the surrounding area and fit a cover to prevent any dust or dirt from
entering after removal.
a
Precautions when handling piping during disassembly
Fit the following plugs into the piping after disconnecting it during disassembly operations.
1)
Face seal type hoses and tubes
2)
Split flange type hoses and tubes
3)
If the part is not under hydraulic pressure, the following corks can be used.
Nominal
number
Plug (nut end)
Sleeve nut (elbow end)
02
07376-70210
02789-20210
03
07376-70315
02789-20315
04
07376-70422
02789-20422
05
07376-70522
02789-20522
06
07376-70628
02789-20628
10
07376-71034
07221-21034
12
07376-71234
07221-21234
Nominal
number
Flange (hose end)
Sleeve head (tube end)
Split flange
04
07379-00400
07378-10400
07371-30400
05
07379-00500
07378-10500
07371-30500
Nominal
number
Part Number
Dimensions
D
d
L
06
07049-00608
6
5
8
08
07049-00811
8
6.5
11
10
07049-01012
10
8.5
12
12
07049-01215
12
10
15
14
07049-01418
14
11.5
18
16
07049-01620
16
13.5
20
18
07049-01822
18
15
22
20
07049-02025
20
17
25
22
07049-02228
22
18.5
28
24
07049-02430
24
20
30
27
07049-02734
27
22.5
34
