Preparation For Installation; Mounting The Handwheel Onto The Valve; Valve Without Anti-Rotation Fixture - Samson 3273 Mounting And Operating Instructions

Installation

5.1 Preparation for installation

Proceed as follows:
Î Remove the actuator first if the valve and
actuator have already been assembled
without handwheel. See associated actu-
ator documentation.
Î Check the handwheel for damage.
Î Check whether the handwheel (model,
travel, thrust and handwheel diameter)
fits the actuator and valve.
If the valve, actuator and handwheel are de-
livered separately, assemble the components
as described in the following section.
Î See associated valve and actuator docu-
mentation for additional mounting in-
structions.
5.2 Mounting the handwheel
onto the valve
5.2.1 Valve without anti-rota-
tion fixture
See Fig. 5
1. Place the handwheel on the yoke (G4) so
that it faces the operating side. The in-
scription on the valve body (1) serves as
a guide (as it also faces the operating
side).
2. Apply a suitable lubricant to the thread
of the fastening nut (G9).
3. Slide the fastening nut (G9) over the stem
connector nut (G71) and screw it tight at
the yoke (G4). Observe tightening
torques.
20
4. Move the handwheel to the neutral posi-
tion (see section 7.1).
5. Place the stem connector nut (G5) on the
plug stem, screw it tight and use a suit-
able tool to lock it at the lock nut. Ob-
serve tightening torques.
6. Turn the handwheel to slowly extend the
threaded rod downward until the
ready-mounted stem connector nut (G71)
on the threaded rod touches the stem
connector nut (G5) on the valve.
7. Connect the threaded rod and plug stem
using the stem connector clamps
(G26/27). Tighten the hex screws (G29).
Observe tightening torques.
8. Optionally, a protective bellows (G69)
can be mounted around the plug stem on
the valve side.
EB 8312-2 EN