6
Inspection/maintenance
Lubricant change intervals
Assembly and Operating Instructions – Gear unit series R..7, F..7, K..7, K..9, S..7, SPIROPLAN
®
W
93
6.4
Lubricant change intervals
The following image depicts the change intervals for standard gear units under normal
ambient conditions. In case of special designs under severe/aggressive ambient con-
ditions change the lubricant more frequently.
5000
10000
15000
20000
25000
30000
[h]
120
[°C]
110
115
100
90
80
70
0
[1]
[2]
[3]
[4]
[5]
9007199273470603
[1]
Operating hours
[3]
CLP PG
[2]
Sustained oil bath tempera-
ture
[4]
CLP HC / HCE (food grade lubricants for the
food industry)
•
Average value per oil type
at 70 °C
[5]
CLP / HLP / E (lubricants made of biodegrada-
ble oils for agriculture, forestry, and water man-
agement)
6.5
Maintenance of AL/AM/AQ./EWH adapter
The following table lists the obligatory intervals and the corresponding measures:
Time interval
What to do?
• Every 3000 hours of opera-
tion, at least every 6
months
• Check the running noises to detect possible bear-
ing damage.
• Visually check the adapter for leakage.
• After 10000 operating
hours
• Check the rotational clearance.
• Visual check the cam ring (AM, EWH) or coupling
ring (AQ., AL).
• Change the bearing grease.
• Change the oil seal. Do not mount it in the same
track.
21932786/EN – 05/2015