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RADIUS LLC
4922 Technical Drive
Milford, Mi 48381
SERIES A
OPERATION AND
INSTRUCTION MANUAL
1)
Double Action (AD Models)
First, the dust cover plugs from the air intake ports must be removed. After the plugs are removed, the air
supply lines must be connected to the two inlet ports that are located on the side of the actuator body:
Standard units operate in the following manner:
Port A: Counterclockwise rotation / opening the actuator.
Port B: Clockwise rotation / closing the actuator.
1)
Single action (AS Models)
As in the double action actuators, the dust cover plugs must be removed first; then, the air supply line must
be connected to Port A.
-
With an electrically-operated valve.
The air supply line(s) must simply be connected to the valve’s pressure inlet ports.
MAINTENANCE
CAUTION: DISCONNECT ALL AIR SUPPLY LINES AND ELECTRICAL
POWER BEFORE STARTING ANY MAINTENANCE WORK.
All the actuators are supplied sufficiently lubricated for their normal life. The lubricants are silicone free.
In the event that the actuators should require lubrication, the use of OPTIMOL OLIT2 grease is
recommended. Grease for high and low temperatures are also available, but please consult RADIUS before
using it.
In the case of especially hard working conditions, a periodic check of gaskets, bearings, grease and springs
is recommended. The periodical replacement of the above mentioned parts it is also recommended. For
this purpose, RADIUS has complete replacement parts kits available. These kits can be easily purchased
by contacting RADIUS or any of its distributors. (See replacement parts paragraph)
PORT A
PORT B
