6
Inspection/maintenance
Inspection/maintenance intervals
Assembly and Operating Instructions – Explosion-Proof Gear Units
111
6.2
Inspection/maintenance intervals
The following table lists the obligatory intervals and the corresponding measures:
Time interval
What to do?
•
Every 3000 hours of operation, at least
every 6 months
•
Check oil and oil level
•
Check running noise for possible
bearing damage
•
Visual inspection of the seals for
leakage
•
Check that all screw plugs, any oil
sight glass, the breather valve and
the gear unit cover screws are tight.
•
For gear units with a torque arm:
Check and replace the rubber buf-
fers, if necessary
•
Depending on the operating conditions
(see illustration in chapter "Lubricant
change intervals" (→
years at the latest
•
according to oil temperature
•
Change mineral oil
•
Replace bearing grease (recom-
mendation)
•
Replace oil seal (do not install it in
the same track)
•
Depending on the operating conditions
(see illustration in chapter "Lubricant
change intervals" (→
years at the latest
•
according to oil temperature
•
Change synthetic oil
•
Replace bearing grease (recom-
mendation)
•
Replace oil seal (do not install it in
the same track)
•
Varying (depending on external factors) •
Touch up or renew the surfaces /
anti‑corrosion coating
Exceptions
The following gear units are lubricated for life. A scheduled oil change is not neces-
sary:
•
Helical gear units R07, R17, R27
•
Parallel-shaft helical gear unit F27
•
SPIROPLAN
®
gear units
24804134/EN – 05/2018