mori seiki NL1500/500, Maintenance Manual

Page: 197 / 245

197
༁໙บʰʕʍʒɁႱࢠ
LUBRICATING UNIT ALARMS
9-2
༁໙บʰʕʍʒɁӦͽᆬᝓ
Checking Lubricating Unit Operation
༁໙บʰʕʍʒ٢ӌႱࢠɁՁىȟ༁໙บʰʕʍʒȾȕɞȞǾ
ɑȲɂᥓከȾȕɞȞɥ༁໙บʰʕʍʒɁӦͽᆬᝓɥᚐșȦȻ
ȾɛȶȹᝩɌɑȬǿ Check whether the cause of the abnormal pressure in the
lubricating unit is in the lubricating unit or piping by checking
the lubricating unit operation.
ᴹਖ਼ᬲᴻ
<Procedure>
1)
ʳɮʽʟɭʵʉɁվҋᥓከɥ۶Ȭǿ
1)
Remove the line filter discharge piping.
2)
ڋɔಃȺʳɮʽʟɭʵʉɁվҋՠɥᩐȫɞǿ
2)
Place a plug over the line filter discharge outlet.
3)
ਖ਼Ӧ଩ͽ႕ᬂ˨Ⱥ
‘
༁໙บվҋ
’
ɥ
‘
ɴʽ
’
ȾȪȹǾ
10
ᇽ
ሌ࣊༁໙บʧʽʡɥͽӦȨȮɞǿ
3)
To operate the lubricating pump for about 10 seconds, set
‘FORCED LUBRICANT DISCHARGE’ to ‘ON’ on the
manual operation screen.
1
ᝊȪȗ଩ͽ஁ศȾȷȗȹɂҝёൡಽ଩ͽᝢ஥ం
“
ਖ਼Ӧ଩ͽ
႕ᬂ
”
1
For detailed operation instructions, refer to the separate
volume, OPERATION MANUAL “Manual Operation Screen”.
2
าᜤ
2
NOTE
1.
٢ӌ᜛Ɂᦉȟ፲Ɂʨ˂ɹɑȺ˨ȟɞɛșȽɜ༁໙บʰʕʍʒ
ɂඩࢠȺȬǿ˨ȟɜȽȗȻȠɂ༁໙บʰʕʍʒɁႱࢠȟᐎț
ɜɟɑȬǿ 1. If the pressure gage stylus reaches the green mark on the line
filter meter, the lubricating unit is normal. If not, the cause of
the alarm is a lubricating unit malfunction.
2. Ȧɟ͏᪃Ɂߦѿ஁ศȾȷȗȹɂ “‘EX0562 ᴥ༁໙บ٢ӌȟ˨ȟ
ɝɑȮɦᴦ ’” ᴥ 195 ʤ˂ʂᴦ
2. Refer to “‘EX0562 (LUBRICANT PRESSURE LOW)’”
(page 195) recovery sequence for further countermeasures.
9-3
༁໙บʰʕʍʒᥓከюɁɲɬ੺Ƞ
Lubricating Unit Air Removal
ᴹਖ਼ᬲᴷ༁໙บʰʕʍʒɁґᜓᴬ฼๎ɥᚐȶȲऻᴻ
<Procedure: After Disassembling/Cleaning Lubricating
Unit Relief Valve>
1)
ጸɒ቏ȹȲʴʴ˂ʟʚʵʠɥʧʽʡȾ՘ɝ͇Ȥɞǿ
1)
Mount the reassembled relief valve on the pump.
2)
ʳɮʽʟɭʵʉɁվҋᥓከɥ۶Ȭǿ
2)
Remove the line filter discharge piping.
3)
ɿɹʁʱʽʟɭʵʉȟʉʽɹюɁ༁໙บȾ๝ɞ࿡ৰȾȬ
ɞǿ
3)
Soak the suction filter in lubricant in the tank.
4)
ਖ਼Ӧ଩ͽ႕ᬂ˨Ⱥ
‘
༁໙บվҋ
’
ɥ
‘
ɴʽ
’
ȾȪȹǾ༁໙บ
ʧʽʡɥͽӦȨȮǾɲɬ੺Ƞɥᚐșǿ
4)
Set ‘FORCED LUBRICANT DISCHARGE’ to ‘ON’ on the
manual operation screen. The lubricating pump will bleed
air from the piping.
5)
ɲɬ੺Ƞީ̘ऻǾڋɔಃȺʳɮʽʟɭʵʉɁվҋՠɥᩐȫ
ɞǿ
5)
After air removal is completed, insert a plug into the pump
discharge outlet.
ᴹਖ਼ᬲᴷ༁໙บʰʕʍʒ٢ӌႱࢠɁՁىȟᥓከȾȕɞȻȠᴻ
<Procedure: When Abnormal Pressure in the Lubricating
Unit is Triggered by Piping Abnormality>
1)
ਖ਼Ӧ଩ͽ႕ᬂ˨Ⱥ
‘
༁໙บվҋ
’
ɥ
‘
ɴʽ
’
ȾȪȹǾ
10
ᇽ
ሌ࣊༁໙บʧʽʡɥͽӦȨȮɞǿ
1)
To operate the lubricating pump for about 10 seconds, set
‘FORCED LUBRICANT DISCHARGE’ to ‘ON’ on the
manual operation screen.
2)
ᩖ᪣ɥȕȤȹਖ਼ᬲ
1)
ɥ
3
ᵻ
4
وᎱɝᣌȬǿ
2)
Repeat step
1)
above 3 or 4 times at intervals.
3)
༁໙บɁ٢ӌȟ
1.0
ᵻ
1.2 MPa
ɑȺ˨ȟɞȦȻɥᆬᝓȬ
ɞǿ
3)
Confirm that the lubricant pressure rises to between
1.0 MPa - 1.2 MPa.
9-4
༁໙บʰʕʍʒʴʴ˂ʟʚʵʠɁґᜓᴬ฼๎
Lubricating Unit Relief Valve Disassembly/Cleaning
ʴʴ˂ʟʚʵʠɁӦͽ˪ᓦȟ༁໙บʰʕʍʒ٢ӌႱࢠɁՁى
ȻȪȹᐎțɜɟɞȻȠɂǾʴʴ˂ʟʚʵʠɁґᜓᴬ฼๎ɥᚐ
ȗɑȬǿ
If a lubricating unit abnormal pressure is caused by a relief
valve malfunction, disassemble and clean the relief valve
according to the following procedure.