mori seiki NL1500/500, Maintenance Manual

Page: 94 / 245

บ٢ʰʕʍʒ
HYDRAULIC UNIT
94
11
บ٢ʰʕʍʒ
HYDRAULIC UNIT
11-1
ίަͽഈ஽Ɂา৙̜ᬱ
Precautions when Performing Maintenance Work
8
Բ᪙
8
DANGER
ൡಽ᫖ໃɥȪɖ୽ȪȹȢȳȨȗǿ
Turn OFF the main power.
7
า৙
7
CAUTION
1. บȟႱࢠȾນߵȪȹȗɞȻȠɂʧʽʡɑȲɂൡಽ୒᪩Ɂȝ
ȰɟȟȕɝɑȬǿࣷᇋɿ˂ʝʃ᥂ᩌȾȧᣵፅȢȳȨȗǿ 1.
If the oil level decreases rapidly, the pump unit or the
machine may be malfunctioning. Contact the Mori Seiki
Service Department for assistance.
2.
บᦀɥඩȪȢίધȪǾʧʽʡȟሳ෥ɥ֋ȗᣅɑȽȗɛșȾ
ȪȹȢȳȨȗǿ
2.
Maintain oil at the correct level to prevent air being
suctioned through the pump unit.
3.
บɂࢠȾȠɟȗȽ࿡ৰȺȕɞɛșከျȪȹȢȳȨȗǿ
3.
Keep oil free from contamination.
4. บ٢ʉʽɹȟ෵ɟɞȻบɥȠɟȗȽ࿡ৰȾίȹȭǾʧʽʡ
ႱࢠɁՁىȻȽɝɑȬǿ 4.
If foreign matter accumulates in the tank, oil cannot be
kept free from contamination, causing pump damage.
5.
ʳʂɲ˂ʉȟᄻᝇɑɝȬɞȻบ٢˨஡ɁՁىȾȽɝɑȬǿ
5.
Clogged radiator causes oil pressure to be raised.
6. ɿɹʁʱʽʃʒʶ˂ʔȟᄻᝇɑɝȬɞȻᥓከɗบ٢ʧʽʡ
ȟᆍૺȬɞȝȰɟȟȕɝɑȬǿ 6.
Clogged suction strainer causes pumps and piping
damage.
7.
٢ӌȟᤛඩϏȾᜫްȨɟȹȗȽȗȻบ٢ʰʕʍʒɁ୒᪩ɗ
ᆍૺȾȷȽȟɝɑȬǿ
7.
If the oil pressure setting is incorrect, hydraulic unit
malfunction and damage may result.
1
บɁሗ᭒Ⱦȷȗȹɂ
“
บᑥ
”
ᴥ
59
ʤ˂ʂᴦ
1
For oil types, refer to “OILS” (page 59).
11-2
บᦀɁཟ೫
/
บɁᛃፈ
Checking Oil Level/Replenishing Oil
บȟบᬂ᜛Ɂ˩᪅፷ɛɝ˩ȾȕɞȻȠɂൡಽ᫖ໃɥȪɖ୽ȪǾ
ᛃፈȬɞǿ Turn OFF the main power and supply oil when the oil level is
lower than the lower limit on the oil level gage.
11-3
บɁ̬૰
Replacing Oil
ᴹਖ਼ᬲᴻ
<Procedure>
1)
ൡಽ᫖ໃɥȪɖ୽Ȭɞǿ
1)
Turn OFF the main power.
Oil Level Gage
Fill Port Cap
บᬂ᜛
ፈบՠɷʭʍʡ