24
Please remove drain plug located under the unit for oil draining when lubricating oil is still warm.
Removing the air breather makes draining and supplying oil easier.
(6) Supplying and draining grease
1. Some bearings need to be greased. Verify the number and locations of the grease fittings (Fig.33 and 34 on Page 25).
2. Grease is supplied before shipment. After the start of operation, supply the necessary amount of grease
according to the following table depending on the input speed: every 1500 hours for 750 r/min or lower and at
every 1000 hours for 750 r/min to 1800 r/min. Do not exceed the recommended amount of grease.
(4) Oil quantity
An estimated quantity of oil for standard specifications is shown in item 12. "oil quantity (Page 34)." The oil quantity
shown in the catalog is not exact. Use a dipstick or visible oil gauge to check the oil level.
(5) Oil supply
Supply oil through the filling port on top of the main unit. Check the oil level with a dipstick or visible oil gauge
(Fig.31).
Screw the dipstick to its deepest position to check the oil level; otherwise, the measured oil level will be incorrect
(Fig.32).
Care should be maintained during the oil-filling process to ensure that loose nuts, bolts, washers, dust, water and other
such foreign material do not enter the unit.
If the oil level is lower than the range, the unit will not be lubricated.
If the oil level is higher than the range, deterioration of the oil is accelerated due to oil temperature rising.
The oil level should be
within this range
Fig.31
Fig.32
Dipstick
Sight gauge (pipe type)
Sight gauge (window type)
COMMON
Supply grease during operation in order to apply the grease evenly.
1 2
6 7 8
543
①
②
③
④
⑤
⑥
⑦
⑧
Size
9015 9025 9030 9035 9040 9045 9050 9055 9060 9065 9070 9075 9080 9085 9090 9095 9100 9105 9110 9115
30 30 30 40 40 50 70 100 100 150 150 150 150 200 200 200 200 200 200 200
10 10 30 30 30 30 50 50 50 50 70 70 70 70 100 100 150 150 200 200
10 10 20 20 20 20 20 20 30 30 40 40 50 50 70 70 70 70 100 100
10 10 20 20 20 20 20 20 30 30 40 40 40 40 50 50 50 50 50 50
- - 10 10 10 10 10 10 10 10 20 20 20 20 30 30 30 30 30 30
20 20 20 20 40 40 40 40 60 60 100 100 100 100 - 150 - 150 - 200
- - 20 20 20 20 30 30 40 40 40 40 60 60 100 100 100 100 100 100
- - - - 20 20 20 20 20 20 30 30 40 40 60 60 60 60 60 60
Supply the grease slowly.
When new grease is supplied, the grease that was left over is mixed with the lubricant; the periodic replacement of
lubricant does not affect the performance of lubricant.
Table 24 Amount of grease
Lubrication
position
•
•
•
Right angle shaft
2 stage 3 stage 4 stage
Unit: g
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