Bettis Service Instructions for Disassembly and Reassembly of Valve Mounting Kit for Sales Order - 1047051 Manuals & Guides

Service Instructions

VA601665 Rev. 0

July 2014

Service Instructions for Disassembly and
Reassembly of Valve Mounting Kit for Sales
Order - 1047051

DRAFT

Service Instructions

VA601665 Rev. 0

Section 1: Actuator Mounting Kit Disassembly and Reassembly

July 2014

Section 1: Actuator Mounting Kit

Disassembly and Reassembly

WARNING: ACTUATOR MAY CONTAIN DANGEROUS FLUIDS

It is possible, that the actuator may contain a dangerous gas and/or liquids. Ensure that
all proper measures have been taken to prevent exposure or release of these types of
contaminants before commencing any work.

CAUTION: LIFT AND REMOVE ACTUATOR CAREFULLY

The mounting kit and its accessories must be disassembled and reassembled in the
following manner: At all times, care should be taken to lift and remove the actuator
and valve mounting kit assembly using the lifting straps vertically from the valve stem
as shown in Figure 1.

Figure 1 Actuator and Valve Mounting/Lifting Kit

VALVE MOUNTING
BRACKET

LIMIT SWITCHES

ACTUATOR KEY

LIFTING STRAPS

AC TUATO R

SAB

STRIKER CAM

VALVE

NOTE:

For lifting strap position details, refer to drawing VA601163.

Actuator Mounting Kit Disassembly and Reassembly

1

Section 1: Actuator Mounting Kit Disassembly and Reassembly

July 2014

Figure 2 Actuator, Valve Mounting Kit, and Valve Assembly

275
BRACKET HEIGHT

VALVE MOUNTING

SURFACE

A A

60 170 160

Service Instructions

VA601665 Rev. 0

110

100

B

90

150

50

140

40

70

VIEW A-A

B

80

BOM DETAILS FOR VA601164 - MTG KIT, WEIR 6" X 150# 'NCBA730'

SEQ. NO. ITEM NO. DESCRIPTION QT Y.

10 VA601191 MTG BKT, WEIR 6" X 150# 'NCBA730' 1
20 VA601193 SAB, WEIR 6" X 150# 'NCBA730' 1
30 VA601631 STRIKER CAM, WEIR 6" X 150# TO PETERCEM F6389/90 1
40 VA601197 KEY, WEIR 6" X 150# 'NCBA730' 1
50 VA001-231-89 SPRING PIN, 0.25 DIA, 2.25 LONG, (REF. MCMASTER #92373A382) 1
60 VA001-342-50 SCR, HEX CP 5/8-IIUNC-2AX5.00, GRADE8 4
70 VA012567 SCR, HEX CP 5/8-IIUNC-2AXI-3/4 4
80 VA 01117 2 SPR LK WSHR, 5/8 'RGLR' 4

90 VA153931 SCR, HEX CP M5X0.8X20MM 'SS316' 16
100 VA101864 LKWSHR, M5 'MED' 16
110 VA001-231-91 WSHR, M5 'FLT/SS' 16
140 VA601633 KEY, WEIR 6" X 150# TO STRIKER CAM 1
150 VA135424 SCR, SOC ST 1/4-20UNCX0.50CUP SS 2
160 VA001-162-65 NUT, STANDARD HEX 5/8-IIUNC 'PLT' 'USA' 4
170 VA001-239-00 SPR LK WSHR, 5/8' RGLR / 316 SS 4

2

Actuator Mounting Kit Disassembly and Reassembly

Service Instructions

VA601665 Rev. 0

Figure 3 Sectional View B-B

Section 1: Actuator Mounting Kit Disassembly and Reassembly

July 2014

20

3.65
SAB LENGTH

1.00
STRIKER CAM
KEY LENGTH

10

30

VALVE STEM

1.1 Mounting Kit Disassembly

1.1.1 Remove all operating pressure from actuator, allowing the spring to stroke.
The spring will rotate the yoke to its fail position.

ACT UATO R

2.50
ACT UATO R
KEY LENGTH

2.44
VALVE KEY
KEY LENGTH

1.1.2 Support the actuator with lifting straps as indicated in Figure 1.

1.1.3 Loosen and remove the fasteners (90, 100 and 110) and remove all four limit
switches from the valve mounting bracket (10). Care should be taken to
prevent any damage to the limit switches while removing them.

1.1.4 Loosen and remove the fasteners (60, 160 and 170) at the valve mounting
bracket (10) to valve interface.

1.1.5 Lift the actuator along with the valve mounting bracket (10) from the valve
stem. Ensure that the SAB (20) and actuator key (40) remain on the valve
stem.

1.1.6 Remove the SAB (20) and the actuator key (40) from the valve stem.
Ensure that the spring pin (50) is not damaged while removing the SAB (20).

1.1.7 Loosen and remove the fasteners (70 and 80) to separate the valve mounting
bracket (10) from the actuator.

1.1.8 Loosen the set screws (150) and remove the striker cam (30) and key (140)
from the valve stem of the valve.

Actuator Mounting Kit Disassembly and Reassembly

3

Section 1: Actuator Mounting Kit Disassembly and Reassembly

July 2014

1.2 Mounting Kit Reassembly

NOTE:

All parts should be cleaned to remove all dirt and other foreign material prior to
reassembly. All parts should be thoroughly inspected for excessive wear, stress cracking,
galling and pitting. Attention should be directed to threads, sealing surfaces and areas
that will be subjected to sliding or rotating motion.

1.2.1 Assemble the striker cam (30) and the key (140) on the valve stem of the valve
and tighten the set screws (150) on the valve stem.

1.2.2 Assemble the spring pin (50) in the SAB (20).

1.2.3 Assemble the SAB (20) on the valve stem such that the cylindrical surface of the
spring pin (50) rests on the top face of the valve stem.

Service Instructions

VA601665 Rev. 0

1.2.4 Support the actuator with lifting straps as indicated in Figure 1.

1.2.5 Ensure that valve mounting bracket (10) is located correctly at the actuator
dowel pin. Assemble the valve mounting bracket (10) on to the actuator using
fasteners (70 and 80).

1.2.6 Lift the actuator along with valve mounting bracket (10) and place it over the
valve such that actuator bore slides concentrically over the SAB (20). Care
should be taken that the keyway of the actuator bore and the keyway of the SAB
(20) are aligned and the actuator key (40) is in place in the SAB (20) keyway.

1.2.7 Assemble the fasteners (160, 60 and 170) at valve mounting bracket (10) to
valve interface.

1.2.8 Assemble all four limit switches using fasteners (90, 100 and 110) on to the
valve mounting bracket (10). Adjust the limit switches as per requirement
without damaging the cam rollers.

4

Actuator Mounting Kit Disassembly and Reassembly

Service Instructions

VA601665 Rev. 0

Section 2: Document Revision

Table 1. Revision Overview

ECN DATE REV BY* DATE

COMPILED Vineet B 18 June 2014

Released 18 June 2014 0

*Signatures on file, Actuation Technologies, Houston, Texas

CHECKED Dhananjay G 18 June 2014

APPROVED Girish D 18 June 2014

Section 2: Document Revision

July 2014

Document Revision

5

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