Flowserve LHS Hydraulic Heavy-Duty Actuator Series - Manual (Page 2)

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LHS Hydraulic Heavy-Duty Actuator Series FCD LFENIM0003-00-AQ 7/14
Contents
1. Standard Information 3
1.1 General Usage 3
1.2 Terms Concerning Safety 3
1.3 Protective Clothing 3
1.4 Qualified Personnel 4
1.5 Other General Requirements for In-Plant Installation 4
1.6 Spare Parts 4
1.7 Service/Repair 4
1.8 Actuator Lifting and Handling 4
1.9 Storage 6
1.10 Valve and Actuator Variations 7
1.11 Unpacking 7
2 Installation Instructions 8
2.1 Valve and Actuator Check 8
2.2 Connection With Valve and Mounting Kit 9
2.3 Travel Stop Bolts and Accessories 10
2.4 Grounding System 10
2.5 Hydraulic Supply Pressure 11
2.6 Initial Operation 11
2.7 Fail Open and Fail Close Configuration 12
3 Field Conversion 13
3.1 Actuator Disassembled From the Valve 13
3.2 Actuator Connected to the Valve (and the valve can be stroked) 14
4. Maintenance Instructions 16
4.1 General Disassembly Instructions 16
4.2 Spring Container Maintenance 17
4.3 Hydraulic Cylinder Maintenance 18
4.4 Scotch Yoke Housing Maintenance 19
5 Troubleshooting 20
6 Disposal of Decommissioned Actuators 22
7 Annex 23
Figures
Figure 1: Eyebolts for the Lifting 5
Figure 2: Handling of the Double Acting Actuator 5
Figure 3: Vent Valve Position 5
Figure 4: Single Acting Actuator Lifting System 5
Figure 5: Correct Lifting System 6
Figure 6: Actuator’s Position on Wooden Pallet 6
Figure 7: Standard Nameplate Position 8
Figure 8: Nameplate Sample 8
Figure 9: Grounding Kit Assembled 10
Figure 10: Grounding Kit – Exploded View 10
Figure 11: Grounding Kit 10
Figure 12: Single Acting Actuator Configuration: Fail Close – Fail Clockwise 12
Figure 13: Single Acting Actuator Configuration: Fail Open – Fail Counter Clockwise 12
Figure 14: Double Acting Actuator Configuration – Close Position 12
Figure 15: Double Acting Actuator Configuration – Open Position 12
Figure 16: Single Acting LHS – Fail Close Configuration With Valve 12
Figure 17: Double Acting LHS With Valve 12
Figure 18: Single Acting Actuator 16
Figure 19: Spring Can Exploded View 17
Figure 20: Exploded View of Hydraulic Cylinder 18
Figure 21: Exploded View of Adaptor Kit 19
Figure 22: Exploded View of Housing 19
Figure 23: LHS Model Selection Table 23
Figure 24: Weight Selection Table – Double Acting Models 23
Figure 25: Weight Selection Table – Single Acting Models 23