Flowserve FlowAct IG 253 Assembly Instructions Manual page 6

Step Image
Drilling
and
marking
must
match !
3
Preload
springs
with
Special Tool
4
6
Instruction
• Lubricate the actuator stem with a suitable lubricant.
(See Page 13, Table A3)
• Lower the pre-assembled diaphragm-stem unit into
the bottom diaphragm casing.
203
Be careful not to score the stem.
231
Positioning the diaphragm-stem unit such that the
air connection and the mark match.
326
• Install the actuator springs (229).
The springs have to be aligned.
229
(See Page 13, Table 04)
211
• Install the spring adjusting plate (326).
228
227
225
Positioning the spring adjusting plate such that the
272
drilling, mark and air connection match.
255
349
348
• Install the distance plate (231).
202
253
254
• Install the upper diaphragm casing (203).
275
273
Positioning the upper diaphragm casing such that
the drilling, mark and air connections match.
• Lubricate the threats of the hexagon bolts (336) with a
suitable lubricant. (See Page 13, Table A3)
Improper handling of this procedure may result
in bodily injury !
• Preload the springs with the Special Tool.
336
In the field service can used 3 threaded rods in 8.8
337
quality (ISO 898-1) or higher as well as washers and
nuts alternatively. (Dimension M8 x 150 mm)
351
• Install and finger tighten the Washers (337),hexagon
bolts (336) and hexagon nuts (351).
• Tighten the nuts (351) in two steps -
- using a crosswise pattern. (See Page 13, Table A2)
FlowAct IG - FCD VLENAI00IGA4 03/15
30 %
60 %