Flowserve Limitorque L120-85 - Page 3

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Limitorque L120-85 Installation, Operation and Maintenance FCD LMENIM1202-03-A4 – 06/15
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Figures
Figure 1: Limitorque L120-85 Actuator 7
Figure 2: L120-85 Torque Drive Nut and Retaining Ring Details 10
Figure 3: Thrust Base removal from an L120-85 10
Figure 4: L120-85 Torque Drive Nut orientation (Drive 1) 12
Figure 5: L120-85 Thrust Base Assembly orientation (Drive 2) 12
Figure 6: Electrical Compartment and Conduit Pipe Plug openings 14
Figure 7: Grounding Lug location 14
Figure 8: Limit Switch Rotor development 15
Figure 9: L120-85 Limit Switch Components 17
Figure 10: Limit Switch OPEN/CLOSED Rotor Cam orientation 18
Figure 11: Torque Switch Components 20
Figure 12: Reversing Torque Switch wiring 21
Figure 13: Aligning MDPI Pointer for Fully CLOSED Position 21
Figure 14: Remote Position Indicator Calibration Configuration 24
Figure 15: Potentiometer Calibration configuration 24
Figure 16: Loosening Potentiometer Assembly 25
Figure 17: Removing Clutch Pinion Assembly 32
Figure 18: Key components affected by Handwheel shimming 34
Figure 19: Cut-away view of L120-85 actuator
with Clutch Latch positioned on face of Clutch Bearing 35
Figure 20: Gap between Housing face and Handwheel Bushing
shown as dimension “A” 35
Figure 21: Shimming parts and their order of assembly 37
Figure 22: Shim location for gap “B” dimension/ 37
Figure 23 Three-phase with Control Package 41
Figure 24: Electrical Compartment 43
Figure 25: Motor and Motor Drive Components 44
Figure 26: Handwheel Shaft and Associated Components 45
Figure 27: Drive Sleeve Group 46
Figure 28: Thrust Base Group 47
Tables
Table 1: L120-85 Approximate Weight Chart 8
Table 2: Torque Drive Nut: Maximum Allowable
Bore and Key Sizes 10
Table 3: L120-85 Actuator/Mounting Base Tap Size 13
Table 4: Gap “A” shim thickness selection chart 36
Table 5: Gap “B” shim thickness selection chart 37