Multi-turn actuators SARV 07.1 - SARV 10.1
AUMA VARIOMATIC
3.
Transport and storage
4.
Mounting to valve / gearbox
6
.
.
Transport to place of installation in sturdy packing.
.
Do not attach ropes or hooks to the handwheel for the purpose of lifting by
hoist.
.
If multi-turn actuator is mounted on valve, attach ropes or hooks for the
.
purpose of lifting by hoist to valve and not to multi-turn actuator.
Store in well-ventilated, dry room.
.
Protect against floor dampness by storage on a shelf or on a wooden
.
pallet.
Cover to protect against dust and dirt.
Apply suitable corrosion protection agent to unfinished surfaces.
If multi-turn actuators are to be stored for a long time (more than 6 months),
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the following points must be observed additionally:
.
Prior to storage: Protect unfinished surfaces, especially of output drive
parts and mounting surface with long-term corrosion protection agent.
Check for corrosion approximately every 6 months. If first signs of
corrosion show, apply new corrosion protection.
After mounting, connect actuator immediately to electrical system, so that
condensation is prevented by the heater.
.
.
MOV
Prior to mounting the multi-turn actuator must be checked
for damage.
M
Damaged parts must be replaced by original spare parts.
The easiest position for mounting is when the valve shaft / gearbox shaft
points upright. But mounting can be done in any other position as well.
The multi-turn actuator is delivered ex works in position CLOSED (limit
.
switch CLOSED tripped).
Check if mounting flange fits the valve/gearbox.
Spigot at flanges should be loose fit!
For output drive type A (figure A), thread must match valve stem. If not or-
dered explicitly with threads, stem nut is unbored or with pilot bore when de-
livered. Finish machining of stem nut refer to page 7.
Figure A
80.3
80.01/ 80.02
80.2
Output drive type A
stem nut
Operation instructions
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