YILMAZ REDÜKTÖR D Series, Operating Instructions Manual

Page: 36 / 50

36
7- Maintenance and Inspections
Under normal ambient and working conditions the gear unit should be checked according the follow-
ing intervals. (For definition of normal working conditions refer to the product catalogue: “Selecting
Gearbox” section);
For normal ambient conditions 70
º
C oil bath temperature should be taken as reference
* For D series mineral oil is used unless it is differently ordered. For oil type and quantities
refer to the following table.
Item to check /replace Every 3.000 working hours
or every 6 months
Every 4.000 working
hours
Every 10.000
working hours or
every 3 years
Every 25.000
working hours
Check for oil leakage x
Check for oil level x
Check oil leakage from
seal
x
Check Rubber buffer x (Change if necessary)
Check Bearings Noise x (Change if necessary)
Change Mineral Oil
x (See Below for
details)
Change Synthetic-PAO
Oil
x (See Below for
details)
Change Sealing x
Change Bearing Grease x
Change Bearings x
Check for noise Changes x
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
70 80 90 100 110 120 130 140 150 160
O
il c
ha
nge
int
er
va
l [
Hour
s]
Oil bath temperature (Celcius)
Mineral
Synthetic PAO
Synthetic PG
Operating Instructions
D Series
YILMAZ REDÜKTÖR
Maintenance