Samson 44-7 Mounting And Operating Instructions

Also see for 44-4: Mounting and operating instructions

28 EB 2723 ENServicing7.3 Replacing the set pointspringsRisk of personal injury due to preloadedsprings.Regulators in combination with preloadedset point springs are under tension. Theseregulators can be identified by the red warn-ing label on the actuator's set point springs.− Before starting any work on the springs,relieve the compression from the preloadedsprings.− Only use the SAMSON disassembly tool(1280-4052).Risk of regulator damage due to excessivelyhigh or low tightening torques.Observe the specified torques on tighteningregulator components. Excessively tightenedtorques lead to parts wearing out quicker.Parts that are too loose may cause leakage.Observe the specified tightening torques.Risk of TÜV approval (based on AGFWworksheet FW 506) for Types 44-4 and44-8 becoming void.Consult SAMSON's After-sales Service de-partment before you change parts or per-form service or repair work on TÜV-testedType 44-4 and Type 44-8 Regulators.DANGER!NOTICE!NOTICE!SAMSON's After-sales Service departmentcan support you concerning lubricant, tight-ening torques and tools approved by SAM-SON.Refer to Fig. 3Disassembly of Type 44-71. Put the regulator out of operation (seesection 9.1).2. Completely relieve the tension from theset point spring (8) by turning the setpoint adjuster (10) counterclockwise ().3. Remove the device from the pipeline4. Unscrew the control line (11).5. Use the SAMSON disassembly tool tounscrew the set point adjuster (10) fromthe diaphragm stem (7).6. Lift off the spring plate (9) and the setpoint spring (8).7. Examine the diaphragm stem (7) forscore marks. Replace, if necessary. Pro-ceed as described in section 7.2.Assembly of Type 44-71. Use the SAMSON disassembly tool toscrew the valve body (1) together withspring plate (9) and the set point springs(8).2. Screw the set point adjuster (10) onto thediaphragm stem (7).3. Screw on the control line (11). Observetightening torque specified in section 7.4.4. Put the regulator into operation (see sec-tion 5.3).Note