41
40
8. Daily Inspection and Maintenance
Common
8-4 Grease Replenishment for Grease Gear Unit Models
(1) Grease Replenishment Intervals
Table 8-10 Grease Replenishment Intervals
Type
Grease Replenishment and Change Intervals
Long-life grease lubricated
models
Although these models use long-life grease, and can run for a long time without replenishment,
maintenance with disassembly after approximately 20,000 hours or 3 to 5 years will further increase
lifetime.
Other models than Long-life
grease lubricated ones
Replenish as shown in Table 8-11. Maintenance with disassembly after approximately 20,000 hours or
3 to 5 years will further increase lifetime.
Table 8-11 Grease Replenishment Intervals (Except Long-Life Grease Lubricated Models)
Operation Time
Replenishment Interval
Remarks
Less than 10 hours per
day
Once every 3 – 6 months
Shorten the replenishment interval when the operating conditions are severe
or the frame size is large.
10 – 24 hours per day
Once every 500 – 1,000 hours
(2) Recommended Grease (Grease used when shipped)
Table 8-12 Recommended Grease (Grease used when shipped)
Type
Manufacturer
Description
Ambient
temperature °C
[1]
SK series
Long-life grease lubricated models
Shell
Shell Alvania
EP Grease R000
-10 to 40
[2]
Single
Reduction
Long-life grease lubricated models
NIPPECO
BEN10-No.2
-10 to 50
Mobil
UNIREX N2
[3]
Double
Reduction
Models that are not lubricated with long-life
grease
COSMO
COSMO GREASE
DYNAMAX SH No.2
Mobil
UNIREX N2
[4]
Triple
Reduction
The following frame sizes when inverter- driven
613
□
DA, 613
□
DB, 613
□
DC, 614
□
DA,
614
□
DB, 614
□
DC, 616
□
DA, 616
□
DB,
617
□
DA, 617
□
DB, 618
□
DA
NIPPECO
BEN10-No.2
Mobil
UNIREX N2
- The symbol
□
in frame size can be "0” or "5”.
- Only use grease listed in Table 8-12.
- The maintenance method will differ according to product although the same grease is used.
- When regularly used in an ambient temperature outside the 0 to 40
℃
range, some specifications will differ. Please consult with us.
