Flowserve LY Series Limitorque Manual do Utilizador descarregar pdf (Página 14)

Limitorque LY Series: LY 1001, LY 2001 and LY 3001 FCD LMENIM1501-00 – 11/11

5.4 Installation Overview

a CAUTION: Be sure to complete each step of the installation overview before electrically

operating your actuator. If the actuator is already mounted to a valve from the manufacturer,

verify that the actuator is mounted according to the following overview. Failure to follow the

installation procedures could result in personal injury and/or improper operation and could

cause damage to the equipment.

1. Mount Torque Nut (piece #32) in the actuator as shown in Figure 5.3 with the following alignment:

A. For LY 1001 – Stop Lugs facing the Actuator Mounting Adapter with index lines positioned to

face the Mechanical Stop Screws.

B. For LY 2001/3001 – Torque Nut axially aligned on the Drive Sleeve so that the bottom of the nut

is positioned inside the Actuator Mounting Base.

2. Insert the Retaining Drive Ring (piece #165 for LY 1001, piece #109 for LY 2001/3001) on the

Torque Nut (piece #32) to hold the Torque Nut in place in the actuator.

3. Mount the LY actuator on the mounting ﬂange of the valve or other actuated equipment. High-

strength (minimum SAE-Grade 5 120,000 psi tensile strength) hex head or socket head cap screws

with lockwashers are recommended. The actuator mounting tap quantities and thread sizes are

detailed in Table 5.2.

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Flowserve LY Series Limitorque Manual do Utilizador Página 14