Burkert Type 8631 - Manual (Page 40)

38 - 8631
S
AFETY
S
ETTINGS AND
M
AINTENANCE
english
Type of driving Designation
Safety settings following failure or auxillary power
supply
electrical pneumatic
single-acting
WW A down down
single-acting
WW B up up
double-acting
WW I down / up
(depending on connection
of control lines) not defined
Safety positions following failure of electrical or pneumatic
auxiliary power
Maintenance
The TOP Control on/off is maintenance-free if operated according to hte directions given in these
instructions.
up
down
up
down
up
down