H
H
L
L
-
-
S
S
e
e
r
r
i
i
e
e
s
s
E
E
l
l
e
e
c
c
t
t
r
r
i
i
c
c
A
A
c
c
t
t
u
u
a
a
t
t
o
o
r
r
I
I
n
n
s
s
t
t
a
a
l
l
l
l
a
a
t
t
i
i
o
o
n
n
a
a
n
n
d
d
O
O
p
p
e
e
r
r
a
a
t
t
i
i
o
o
n
n
M
M
a
a
n
n
u
u
a
a
l
l
H
H
K
K
C
C
31
Danger ;
HAZARDOUS VOLTAGE. No electrical power should be connected until all wiring and limit switch
adjustments have been completely. Once power is supplied to unit, exercise caution if cover is not
installed.
NOTE:
More information, refers to the Appendix
Ⅱ
.
6
Maintenance
6.1
Maintenance
Caution :
Turn off all power services before attempting to perform service on the actuator. POTENTIAL HIGH
PRESSURE VESSEL. Before removing or disassembling your actuator, ensure that the valve or
other actuated device is isolated and not under pressure.
Maintenance, under normal conditions at six month intervals. But when conditions are more severe, more frequent
inspections may be advisable.
Insure valve actuator alignment
Insure wiring is insulated, connected and terminated properly
Insure all screws are present and tight
Insure cleanliness of internal electrical devices
Insure conduit connections are installed properly and are dry
Check internal devices for condensation
Check power to internal heater
Check enclosure O-rings seals and verify that the O ring is not pinched between flange
Verify declutch mechanism
Visually inspect during open/close cycle
Inspect identification labels for ware and replace if necessary
Warning ;
Flameproof enclosure! Before opening, ensure the absence of gas and voltage.
Treat cover with care. Gap surfaces must not be damaged or dirtied in any way. Do not jam
cover during fitting.