5.3.2.1. Multi-turn actuator with output drive type A: mount
1.
If output drive type A is already mounted to the multi-turn actuator: Loosen
screws [3] and remove output drive type A [2].
Figure 13: Multi-turn actuator with output drive type A
[1]
Multi-turn actuator
[2]
Output drive type A, from left to right:
with finish-machined, unbored and pilot bore stem nut
[3]
Screws to multi-turn actuator
Information
For an unbored or pilot bore stem nut, the stem nut must be finish machined prior
to mounting valve stem and prior to performing the following steps.
➭
nut for output drive type A: finish machining
2.
Apply a small quantity of grease to the valve stem.
3.
Place output drive type A [2] on valve stem and turn until it is [4] flush on the
valve flange.
4.
Turn output drive type A [2] until alignment of the fixing holes.
5.
Fasten screws [5] between valve and output drive type A [2] without completely
tightening them.
Figure 14:
18
SAV 07.2 – SAV 16.2 / SARV 07.2 – SARV 16.2 Control unit: electronic (MWG)
Assembly
ACV 01.2 HART