Flowserve FlowAct IG 253 Assembly Instructions Manual page 5

FlowAct "IG"
Assembling instruction for
FlowAct order code: IGxxx BxxOZx
Step Image
275
1
273
227
225
Stem
Clamping
2
Tool
Marker
Window
Actuator Type
Hand wheel
Safety position
Stroke
Instruction
• Place the bottom diaphragm casing (202) in the Special
254
Tool
253 The air connection should be on your side.
• Install the O-ring (275) and scraper-ring (273) into the
guide bush (253).
• Firstly press-in the pre-assembled guide bush into the
diaphragm casing, secondly press-in the plain bearing
202 (254) into the guide bush.
348
• Fix the actuator stem (211) into the Special Tool.
349
• Lubricate the O-ring (272) with a suitable lubricant.
(See Page 13, Table A3)
228
• Lower the thrust washer (255)
272
onto the actuator stem.
255
• Lubricate the thread of the stem (211) with a suitable
211
lubricant. (See Page 13, Table A3)
• Install and finger tighten the special nut (348).
The diaphragm plate should be positioned to the
diaphragm with the aid of the Positioning Template.
• Turn clockwise the special nut (348) with the Special
Tool using a suitable torque wrench. (See Page 13,
Table A1)
Positioning Mark the position with a felt-tip pen.
Template
FlowAct IG - FCD VLENAI00IGA4 03/15
Multi spring 253, 503, 701
Without
Spring to close
20, 40, 60
diaphragm (225)
O-ring (272)
diaphragm plate (227)
spacer bush (228)
lock washer (349)
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