Masoneilan SVI3 Installation and Maintenance Manual
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1. Ensure that the lever is attached to the magnet assembly and held securely by two
M5 flat head screws to ensure that the magnet axis is vertical when the lever is in the
valve closed position. Tighten the lever screw securely using 5mm Hex Key.
2. Install One 5/16 - 18 UNC-2A HEX Head Screw loosely with one lock washer and one
flat washer. Then slide the bracket into the installed fastener through the mounting
slot.
3. Install the second 5/16 - 18 UNC-2A HEX Head Screw in correct mounting hole
according to the actuator size and travel distance [Refer Table 3 on page 31 and
Figure 11]. Then tighten both fasteners.
Figure 11 Reciprocating Valve Mounting Bracket
Table 3: Reciprocating Valve Mounting Hole and Turnbuckle Length
Actuator Size
Masoneilan
Stroke
Mounting
Hole
Lever
Hole
Turnbuckle Length
6 and 10
0.5 - 0.8"
(12.7 - 20.32 mm)
A
A
1.25"
(31.75 mm)
10
0.5 - 0.8"
(12.7 - 20.32 mm)
A
A
1.25"
(31.75 mm)
10
>0.8 – 1.5"
(20.32 - 38.1 mm)
B
B
1.25"
(31.75 mm)
16
0.5 - 0.8"
(12.7 - 20.32 mm)
B
A
2.90"
(73.66 mm)
16
>0.8 – 1.5"
(20.32 - 38.1 mm)
C
B
2.90"
(73.66 mm)
The mounting bracket must face left
when facing the actuator, with the
actuator in the upright position
