Flowserve L120-85 Actuator Manual do Utilizador Página 1

Experience In MotionUSER INSTRUCTIONSInstallationOperationMaintenanceLimitorque L120-85 ActuatorFCD LMENIM1202-00 – 11/05

Limitorque L120-85 Installation, Operation and Maintenance FCD LMENIM1202-00 – 11/0510

4.1 SafetycWARNING: Read this Installation and Maintenance Manual carefully and completely before attempting to store, install, operate or troublesh

NOTE: If your unit incorporates a rising stem application, it may be shipped with a plastic cap over the Drive Sleeve Housing. If so, in order to stor

(piece 103). This will prevent damaging the Quad Rings (piece 107). For details refer to Section 10.1, Figure 28.4.3.3 Mounting BoltsMount the L120-8

Figure 5: L120-85 Thrust Base Assembly orientation (Drive 2)Drive 2 ActuatorMounting Base ActuatorMountingAdapter ThreadedValve Stem#101 Thrust Base(

Figure 7: Grounding Lug locationGrounding Lug7. Inspect actuator for proper lubrication. Refer to “Lubrication” Section 6.1 for lubrication instructi

Figure 8: Limit Switch Rotor developmentNOTES1. Contact Open2. Contact Closed3. All limit switch trip points are fully adjust

4.5.2 Adjustment—GeneralTools required:• The cross-slotted Intermediate Shafts A, B, C and D have been designed for use with a 6" No. 2 Phillip

position point and turn the Intermediate Open Shaft in a CCW direction until the Rotor Cam rotates 90° to make an OPEN contact (OPEN limit trip poin

8. Before operating the actuator, depress and turn the Clutch Screw CCW one quarter turn to the spring release position. Insert a screwdriver into

L120-85 Actuator Installation and Maintenance Manual©2005 Copyright Flowserve Corporation. All rights reserved. Printed in the United States of Americ

is flush against the Actuator Compartment and the hole for the Mounting Screw is aligned. Install the Mounting Screw.5. Tighten the Balancing Screws.

4.7.2 Remote Position IndicationNOTE: Typical voltmeter remote indicators furnished by Limitorque are built to accept a maximum of 10 volts. In order

4.7.3 Setting the PotentiometerIf your L120-85 actuator includes a Feedback Potentiometer supplied for remote valve position indication, use an ohmme

L120-85 actuators are always available for motor operation when the motor is energized. Do not force the Declutch Lever into the motor operation posit

keyed to the Declutch Link (piece 7-1). The Declutch Link engages the Clutch Ball Bearing (piece 19-2) which disengages the Clutch from the Motor Cam

6.1 Lubrication6.1.1 Initial InspectionNOTE: Before operating your actuator, inspect it for proper lubrica-tion, (especially if it has been stored f

6.1.5 Minimum Lubricant Qualities RequiredaCAUTION: Do not mix lubricants of a different base chemi-cal. Mixing lubricant bases may cause lubricant

7.1 Removal From Valve1. Rotate the Handwheel to the fully CLOSED position.2. Drive 1 applications (Refer to illustrated parts breakdown)a. Loosen

7.3 Remove Control Wiring1. Slowly remove one of the Pipe Plugs (piece 50-24) to release any air pressure built up within the actuator. Refer to ill

Figure 17: Removing Clutch Pinion Assembly7.11 Remove Worm Shaft Assembly1. Remove Flexloc Nut (piece 37) by holding Flange Nut (piece 15-10) (on o

1.1 Purpose 51.2 User Safety 52.1 Product Identification 72.2 Product Description 82.3 Product Features 84.1 Safety 114.2 Initial Actuator Pr

Limitorque L120-85 Installation, Operation and Maintenance FCD LMENIM1202-00 – 11/0530

Assembly should be conducted in the reverse order of the disassem-bly procedures noting the following points:8.1 Handwheel Shaft Assembly and Shimmi

2. Before shimming the Handwheel Assembly and to assure proper Handwheel Lug (piece 3-1) engagement with the Clutch (piece 19-1), push the Declutch L

gap “B” combined being .18 inches (4.57 mm) total. See Figure 20 and Table 4.Figure 21: Shimming parts and their order of assembly#6-1 & 6-2 Sh

6. Using a flat feeler guage, measure the gap between the flanges of the Thrust Base Housing and Thrust Base Plate. Then remove the Thrust Base Plate.7

cWARNING: Be aware of electrical and high-pressure hazards when troubleshooting or performing maintenance on your L120-85 actuator.Symptom Possible C

Symptom Possible Cause Corrective ActionUnit operation is noisy 1. Inadequate lubrication (poor quality or not enough)1. nspect quality and quantity

9.1 Typical Wiring DiagramThree-phase with Control PackageThe wiring diagram below is a representation of a typical application and may not be applic

Limitorque L120-85 Installation, Operation and Maintenance FCD LMENIM1202-00 – 11/0538

To obtain further information or order parts for your Limitorque valve actuator, contact your local Limitorque distributor, sales office or contact:Flo

FiguresFigure 1: Limitorque L120-85 Actuator 8Figure 2: L120-85 Torque Drive Nut and Retaining Ring Details 12Figure 3: Thrust Base removal from an

10.1 L120-85 Illustrated Parts BreakdownFigure 24: Electrical Compartment300-2713HeaterBracketKit300-20300-2114GroundingLug Kit200-1200-2200-3473053

Figure 25: Motor and Motor Drive Components2050-2550-2651242324302628Clutch PinionAssembly (18)41ClutchAssembly (19)32-15142-338403350-731-231-150-450

Figure 26: Handwheel Shaft and Associated Components9 10 11 50-5 50-6 42-6 12 49 8 7-2 7-1 48 35 34 Wo rm Sha ft Ass em bly ( 15 ) 36 42-4 5 50-4 50-3

Figure 27: Drive Sleeve Group50-2442-250-22750-195982242-516212542-11750-2414550-1643Limitorque L120-85 Installation, Operation and Maintenance FCD L

Figure 28: Thrust Base Group113 107 108 104 103 104 100 107 104 103 104 106 101 102 112 111110Limitorque L120-85 Installation, Operation and Maintenan

Piece Description Quantity1 Unit Housing 12 Handwheel Shaft 12-1 Handwheel Shaft Key 13-1 Handwheel Lugs 13-2 Handwheel Shaft Spring 13-3 Handwheel Sh

Piece Description Quantity52 Handwheel Shaft Washer 195 Torque Drive Nut 198 Torque Drive Nut Retaining Ring 1100 Thrust Base Housing 1101 Thrust Base

Application of Council Directive(s): 89/336/EEC; EMC Directive 89/392/EEC; Machinery Directive 2003/10/EEC; Airborne Noise DirectiveStandard(s) to

flowserve.comTo find your local Flowserve representative:For more information about Flowserve Corporation, visit www.flowserve.com or call USA 1 800 22

1.1 PurposeThis Installation and Maintenance Manual explains how to install and maintain the L120-85 actuator. Information is provided for installa-t

Limitorque L120-85 Installation, Operation and Maintenance FCD LMENIM1202-00 – 11/056

2.1 Product IdentificationThe actuator unit nameplate is located on the back of the unit, opposite the limit switch compartment. The nameplate contain

2.2 Product DescriptionYour L120-85 actuator controls the opening and closing travel of valves or other actuated devices. OPEN and CLOSED limits are

The following table is an L120-85 representative weight chart. It provides the weight of several components that may be incorporated into a typical pa