ML20195F313

Suppl III, Instruction Manual:Installation & Maint Mechanical Shock Arrestors,Models PSA-1/4,PSA-1/2,PSA-1, PSA-3,PSA-10,PSA-35,PSA-100, to Rev 0 to CP-CPM 6.9F

ML20195F313
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Site:	Comanche Peak
Issue date:	02/06/1980
From:	BROWN & ROOT, INC. (SUBS. OF HALLIBURTON CO.)
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References
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.

ISSUE BROWN & ROOT, INC.

REVISION DATE PAGE CPSES NUMBER JOB 35-1195 CP-CPM 6.9F 0

2-6-80 1 of 25 SUPPLEMENT 6.9F-III INSTRUCTION MANUAL INSTALLATION AND MAINTENANCE MECHANICAL SH0CX ARREST 0RS I

Kin. Tech Division j

scientific j

DOC. NO. 141 I

b -- -- -

1 INSTRUCTION MANUAL i

1 I

INSTAli_ATION AND MAINTENANCE l

1 1

MECHANICAL SHOCK ARRESTORS i

MODELS l

PSA-1/4 l

PSA-1/2 I

PSA-1 PSA-3 PSA-10 l

PSA-35 l

PSA-100 l

l l

l 8606120062 860512 cSNDE8 9

PDR DECEMBER 1976 REV.1 l

M AY 1977

BROWN & ROOT, INC.

ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 2 of 25 CP-CPM 6.9F 0

2-6-80 SUPPLEMENT 6.9F-III

)

Kin-Tech Division

}

Pa Cll:lC SCIENTIFIC

}

DOC. NO. 141 RECORD OF REVISIONS 1

DATI REV NO.

COMMENTS I

May 1977 1

Revision #1 is a complete re-write and

~

is a result of comments and additional I

experience.

The manual has been divided into three sections:

1 Models PSA-1/4 and PSA-172 in Section I.

Models PSA-1 PSA-3, PSA-10 in Section II.

Models PSA-35 and PSA-100 in Section III.

These sections are preceded by general information applicable to all of the I

listed Pacific Scientific Mechanical Shock Arrestors.

l Requested deviations to this manual l

aust be negotiated and supplied under a different document number.

Rev. #1 abbreviates the description, deletes certain options which were not being requested, isolates cautionary notes into one area and simplifies the spare parts recommendations.

I I

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ISSUE BROWN & ROOT, INC.

REVISION DATE PAGE CPSES NUMBER JOB 35-1195 CP-CPM 6.9F 0

2-6-80 3 of 25 SUPPLEMENT 6.9F-III Kin. Tech Division W PBCIFIC S CIE nTIFIC

I

- - - ~

DOC. No. 141 TABt.E OF CONTENTS SUBJECT PACE Title Page Record of Revisions.....'.....

f 1

General 5

Section I

• p 11

}g Section II i ;.

17 4'

Section III j'

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BROWN & ROOT, INC.

ISSUE CPSES NUMBER REVISION DAYE PAGE JOB 35-1195 CP-CPM 6.9F 0

2-6-80 4 of 25 SUPPLEMENT 6.9F-III

.l Kin. Tech Division j

' P2 CIFIC SCIENTIFIC

~"

' DOC. NO. 141'

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CENERAL r

A.

DESCRIPTION Mechanical Shock Arrestors manufactured by Pacific Scientific.

Anaheim, California,'are devices used to prevent s eis mic shock forces from causing da= aging motions in piping and related systems. The arrestors, purely mechanical in design, control such motion by becoming load carrying members between the piping or related systens and building structure when M

a force sufficient to caus's abnormal motion is initiated.

.M This potentially da= aging notion is arrested and absorbed to acceptable 11=its.

During nor=al thermal expansion or i

contraction of the piping or related systems the arrestors telescope freely in either direction through their full operating stroke.

B.

The following information is applicable to allfarrestors.

(1) PACKACING All arrestors manufactured by Pacific Scientific are packaged in accordance with American National Standards ANSI N45.2.2-1972 (Packaging, Shipping. Receiving.

Storage and Handling of Ita=s for Nuclear Power Plants (During Contruction Phase)), Level C which in essence states:

"itens shall be protected from exposure to

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salt spray, rain, dust, dirt, and other airborne and windblown contasinants".

To insure compliance with ANSI N45.2.2-1972 Pacific Scientific has generated I3 in-house packaging documents covering the various 4

sizes of arrestors. Larger containers than those indicated below are custenized if welded extensions or lengths of pipe are included.

]

l All arrestors, except Model PSA-100, are entirely or partially enclosed in plastic covers. Models PSA-1/4 PSA-1/2 and PSA-1 are individually packaged in corru-i gated boxes lined with R200 Cushion-Pak barrier material.

l or equivalent, with accessories, if any, protected by 1200 cushion-Pak placed in the end of the box.

l Models PSA-3 and -10 are packaged in corrugated boxes, one item per box, and supported in the box with end pads and a center pad consisting of five thicknesses of 1/4" corrugated fiber board bonded together.

Accessories, r

if any, are protetted by R200 Cushion-Pak, or equivalent, and pla:ed in a s= aller corrugated box and packed in with Page 1.

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ISSUE BROWN & ROOT, INC.

REVISION DATE PAGE CPSES NUMBER JOB 35-1195 CP-CPM 6.9F 0

2-6-80 5 of 25 SUPPLEMENT 6.9F-III KinTech Division W PECIFIC SCIE nTIFIC D0C. No. 141 the arrestor. If no accessories are required, the small.

spacer and n'rked " DUMMY".

box is still used as a a

Models PSA-35 and -100 are cradle mounted on wooden skid:

and metal. banded around the cradles and skid.

The skid is encircled with triple fluted corrugated fiber board, enclosed with a lid of the same material, then metal ban:

All arrestor packages are marked on the outside with a minimum of: customer purchase order number, mark nambe (if applicable), Pacifi'c Scientific serial and part nunb4 If arrestors are returned to Pacific Scientific, packagi:

shall be equivalent to the foregoing.

(2) STORACE At arrival on site, if'the arrestors are not to be inspected and installed immediately, the containers shal be stored in a building so that*the containero are prote from inclement weather, in accordance with ANSI N45.2.2-However, before storage, all the containers shall be inspected for external damage that may have been caused during transit. Containers showing signs of external damage should be opened and the contents inspected imme!-

intely. Any visual damage or defect found to the conten shall be reported to Pacific Scientific within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, along with all the data shown on the containers.

It is reconsended that a fork lift or similar equipment be used when storing PSA-35 and -100 arrestors. When unpacking these arrestors for installation, it is recommended that some movable or traveling hoist device be used.

(3) UNPACK!NC On arrestors PSA-1/4, -1/2,

-1,

-3 and -10, simply slit and accessories (if ar open cartons and remove arrestors on arrestors PSA-35 and -100, make certain that the wooden skid is on a flat stable surface.

Cut =etal banding around container, lift off lid and encircling sides.

Cut metal banding around cradles and re=ove top cradles. When removing arrestors from skid after lid and top cradles have been removed, it is suggested sling be placed around the arrestor and the that a arrestor hoisted from the skid.

I Page 2 13 5* 3.4 e 'Jo e;e 3:.. 1 a... 0.atomia UZ:.(??u T74 ;; * ?2.1A !! '4:-

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ISSUE BROWN & ROOT, INC.

REVISION DATE PAGE CPSES NUMBER JOB 35-1195 0

2-6-80 6 of 25 CP-CPM 6.9F SUPPLEMENT 6.9F-III 8

l Kin. Tech Division PEiCIFIC SCIENTIFIC DOC, NO. 141 --.

After renoval of arrestors from carton or, skid, inspeat painted or sine placed areas for damage.

Inspect arrascors for any signs of obvious external danage.

(4) RECEIVINC INS?ECTION I

After unpacking, arrestors of PSA-1/4 through -3 may d

be checked for freedom of movement by grasping the position indicator tube and slowly extending and retracting the position indicator tube.

On larger models, considerable force vill be required to perfarn the extension and retraction of the position indicator tube and should not be considered necessary as a receiving L

inspection function unless evidence of danage is present.

Return to Pacific Scientific if malfunction is evident.

[

C.

CAUTION NOTES 4

(1) At no time shall installed arrestors be used as steps or hand-holds.

[

(2) When are velding, do not attach ground to arrestor or

'F any part of the arrestor which will cause arcing current to pass through arrestor.

(3) Do not sand blast arrestors.

Arrestors are pre-finished y

j vith acceptable corrosion protection.

u h

(4) If sand blasting is to be performed on adjacent parts such as unfinished pipe or structure, arrestor and r

bearings in attaching parts must be masked for protection.

I

!7 (5) If severe pipe vibration or water hazner is encountered engineering decision be requested 4

it is reconnended that an to deternine if the correct arrestor size is being or 4

has been specified. A solution may be to specify an arrestor of higher load carrying capacity.

1 I

(6) Use care to align arrestors as closely as possible to avoid forces tending to rotate the pipe clamps or induce bending.

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BROWN & ROOT, INC.

ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 CP-CPM 6.9F 0

2-6-00 7 Gf 26 SUPPLEMENT 6.9F-III Kin Tech Division W Pa CIFIC l

SCIENTIFIC I

DCC. NO. 141

~ ~ ~

(7) If an arrestor is accidentally dropped, check the function by extending and retracting through the full stroke.

If there is no evidence of sticking or binding it may be assumed that no internal damage has occurred.

If there is evidence of a malfunction, the arrestor should be returned to Pacific Scientific for inspection, a report of the corrective action required and an eatinate of repair price and delivery.

4 (8) To avoid driving spherical bearings free or damaging bearings, use care in inserting pins.

Pins should be snug but not tight.

Light tapping with a fibre mallet is allavable.

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Page 4.

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BROWN & ROOT, INC.

ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 CP-CPM 6.9F G

2-6-80 8 of 25 SUPPLEMENT 6.9F-III l

Kin. Tech Division W PB CIFIC SCIENTIFIC D0C. NO. 141 SECTION I MODELS PSA-1/4 AND PSA-1/2 A.

See Figure 1 Section I for an illustration of a typical U

nodel of the arrestors. The inner mechanisms of the two

[

models are the same except that the Model PSA-1/4 is longer and has a 4" stroke as compared to the 2-1/2" stroke of the PSA-1/2.

4 f

Pacific Scientific, in some instances, may supply only shock l]

arrestors and some other source may supply exter.sions and attachment hardware.

See Figure 2 Section I for illustrations of " minimum" yy length and " variable" length arrestors.

TA 3.

MINIMUM LENCTM arrestors consist of an arrestor, a forward bracket assembly and either one or two rear bracket assemblies.

oj]

Two rear brackets are supplied if attachment at one end is j

to be made other than to a pipe clamp.

j C.

VARIABt! LENCTM arrestors are supplied in several modest rL4 (Refer to Figure 3,Section I and refer to the applicable

[

" strut" drawing.)

In addition to the arrestor, a rear bracket assembly, transition tube assembly, and a forward adapter fj assembly may be supplied.

With this combination of parts it is necessary for the installer to supply a length of pipe cut to the appropriate " pin-to-pin" length requirements.

I,g A " strut" drawing and a " mark" number on the nameplate are supplied by Pacific Scientific if contractually required.

The foregoing parts may also include a lentth of oise either pre-cut to length or over-length to be final cut at time of assembly and either velded into one or both mating fittings, i

or not velded at all.

D.

INSTAttATION

}

Before proceeding, read and observe the caution notes in 6

General Section, Paragraph C.

Consult drawing and mark number data.

Before velding the rear bracket (s) to structure it is recommended that the installation be "du==ied up" to determine that the planned fits and location agree with the actual

,]3 condition.

h e n p ip e i s u s e d allow for a minimum of 1/2"

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insertio-into = sting parts.

o cet, however, insert full desth.

laave a mir.1=u: of 1/16" clearance.

Ce: ply vitt 1 scal inst.vetior.; as to the correct setting.

Figure 1 I,

Pete 5.

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BROWN & ROOT, INC.

ISSUE CPSES NUMBER REVISION DATc

PAGc, JOB 35-1195 CP-CPM 6.9F 0

2-6-80 9 cf 25 SUPPLEMENT 6.9F-III k

Kin Tech Division W PBCIFIC SCIEMTIFlC END CAP POSITION TUBE 1

INDICAIO i

I SUPPORT CYLINDER

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I, ETAINING RING

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1 TICURE 1. SECTION I MECHANICAL SHOCK ARRESIOR, MCDEL PSA-1/2 Page 6.

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BROWN & ROOT, INC.

ISSUE CPSES NUMBER REVISI0ti DATE PAGE JOB 35-1195 CP-CPM 6.9F 0

2-6-80 10 of 25 SUPPLEMENT 6.9F-III b

Kin Tech Division FECIFIC SCIENTIFIC I

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1 TORVARD ADAPTER ASSEMBLY TRANSITION TUBE ASSEM3LY W s 4

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ARREST 3R

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BRACKET REAR BRACKET I

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FICURE 3 SECTION I T! CURE 2 SECTICS I VA?!AtLI L:::0 2 M I:: I M '.*: L ENOTii Page 7.

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BROWN & ROOT, INC.

ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 CF-CPM 6.9F 0

2-6-80 11 of 25 SUPPLEMENT 6.9F-III Kin. Tech DMsion PE CIFIC SCIENTIFIC

~

Doc'. wo. 141 -

D.

continued Section I shows a PSA-1/4 in the mid-position.

However.

it is imeortant to use local instructions, as the " cold" setting probably will not be the "mid-position".

The spherical bearings are designed to move 2 6' within the bearing socket.

However, as good practice, eliminate as much mis-alisanent as possible and determine that not more than 2 6' be utilized at any position of the total stroke.

If it is necessary to rotate the cylinder end plus, follow these instructions very carefully: (a) Remove attachments from the arrestor.

(b) Place the arrestor in a vertical position table,- sitting on the arrestor housing.

(c) While on a keeping a slight downward hand pressure on the top and to avoid any linear movement, use retaining ring pliers to free retaining ring.

(d) While maintaining slight downward hand pressure, slowly turn end plug by hand oniv to desired rotational position.

Do not use wrench or other mechanical means.

(e) While maintaining hand pressure, replace retaisit ring.

Expand and contract arrestor slowly through full stro; to determine that repositioning has not damaged interior components.

E.

Brackets will be supp' lied with a protective coating which does not require removal prior to velding. Veld the bracket If installation is " variable length", socket veld pipe while maintaining alignment within l'.

The velding procedure shal.

be qualified to ASME Section IX or the code approved by the l

local enforcing agency. Mask bearings and paint per local requirements.

t y.

Attach forward bracket assembly or transition tube - pipe forward adapter combination to arres tor with provided bolts.

Torque bolts 22 t 2 in. lbs.

Safety vice bolts, using stain-less steel wire of approximately.043 diameter, (not supplie with arrestor).

C.

Extend and retract arrestor through full stroke as a final check for binding.

H.

Secure arrestor to rear bracket with pin, washers and cotter pins provided. Washers are to be located one on each side of the spherical bearing.

Page i

ISSUE BROWN & ROOT, INC.

CPSES NUMBER REVISION DATE PAGE JOB 35-1195 CP-CPM 6.9F 0

2-6-80 12 of 25 SUPPLEMENT 6.9F-III Kin. Tech Division W P8 CIFIC SCIENTIFIC DOC. NO. 141 I.

Secure forward bracket to other rear bracket or pipe cla=p in the same manner as in Paragraph H.

J.

OPERATION No operating instructions are required for Pacific Scientific Hechanical Shock Arrestors. Operation is purely automatic, K.

MAINTENANCE Pacific Scientific Shock Ar' estors are of mechanical design, T

and, as such, are practically maintenance free.

The shock arrestors are not presently designated in any eqaipment cate-gory requiring mandatory maintenance service or inspection at specifically designated time intervals. The type and freq-vency of maintenance actions are therefore at the discretion of the owner.

L.

INSPECTION The.following information is provided as a guide to owners rather than specific recommendations. When convenient arrestors may be checked to determine that units are remaining function-ally satisfactory.

On Models PSA-1/4 and -1/2 densch one and of the arrestor from its retaining fittings.

Manually extend and retract the arrestor through its full stroke range.

With arrestor positioned horizontally, mechanical friction (breakaway force) to extend'and retract the arrestor should not exceed 1 of its rated load.

The nameplate carries rated load data.

It is recommended that a push-pull spring scale, attached to the free end of the arrestor,,be used to measure extension and retraction force.

If preferred, units may be returned to Pacific Scientifi:

for a complete functional inspection - utilizing speciali:ed equipment.

WARNING If arrestors have been installed in a 1

3.. tai : tat area, they si 11 be de::::sninated l

before shipcent to Pacific Scientific. CSserve i

1 scal regul.cicas in this regard.

Page 9.

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BROWN & ROOT, INC.

ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 CP-CPM 6.9F 0

2-6-80 13 of 25.

SUPPLEMENT 6.9F-III e

KinTech Division Pa CIFIC r

SCIENTIFIC I

D0C. NO. 141 4

M.

SPARE PARTS I.

Recos= ended spare parts are limited to the accessories used with the arrestor. These include transition tube assemblies, forward adapter assemblies, forward bracket assemblies and rear bracket assemblies. These items are designated as

" assemblies because such components as spherical bearings, washers and cotter pins are included in the various combinations.

1 The accessories may or may not be manufactured by Pacific

(

Scientific. Therefore, if, because of loss, damage or rejected condition, it is necessary to order assemblies or parts of assemblies, it is important to supply as much infor-l

~

mation to Pacific Scientific as possible. This information includes model number, date of manufacture and serial number i

on the arrestor nameplate.

Also, nomenclature, part numbers

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and material code numbers of the components in question are 5

of assistance. Contact with the original purchaser of the 4

equipment from Pacific Scientific should provide further j

traceability and assurance that correct replacement parts y

are being specified.

t The quantity of " insurance" components to be considered for I

i i

supporting original installations and to maintain as a hedge against later damage or loss is left to the discretion of the purchaser.

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BROWN & ROOT, INC.

ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 CP-CPM 6.9F 0

2-6-80 SUPPLEMENT 6.9F-III

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P8 CIFIC SCIENTIFIC wp_...-._

DOC. No. 141 SECTION II

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MODELS PSA-1. PSA-3 AND PSA-lO A.

See figure 1.Section II for an illustration of a typical 8

model of the arrestor itself. The inner mechanisms of the three models are the sa=e except that the components vary in size according to load carrying requirements.

I Pacific Scientific, in some instances, may supply only shock arrestors and some other soprce may supply extensions and attathment hardware.

See Figure 2.Section II for illustrations of " Minimum" length arrestors.

B.

MINIMUM LENCTM arrascors consist of an arrestor, a forward bracket assecbly and either one or two rear bracket assemblies.

Two rear brackets are supplied if actachment at 'one end is j

to be made other than to a pipe cla=p.

I1 C.

VARIABLE LENCTH arrestors are supplied in several modes t (Refer to Figure 3, S,ection II and. refer to the applicable

" strut" drawing.)

In addition to the arrestor, a rear bracket i

assembly, transition tube assembly, a forward adapter assembly may be supplied. With this combination of parts it is nec-g essary for the installer to supply a length of pipe 3

cut ta the appropriate " pin-to-pin" length requirements. A "attut" drawing and a " mark" number on the nameplate is not by Pacific Scientific for this combination. necessarily supplied ii The foregoing parts may also include a lentch of eine either y

pre-cut to length or over-length to be final cut at ti=e of fj assembly and either velded into one or both eating fittings or not velded at all, i

i D.

INSTALLATION Before proceeding, read and observe the caution notes in General Section. Paragraph C.

Consult drawing and mark nu=ber data.

Before velding the rear bracket (s) to structure it is reco=-

mended that the installation be "duemied up" to determine that the planned fits and location agree with the actual condition.

When pipe is used, allow for a minimum of 1/2" insertion into 1

mating parts.

Do not, however, insert to full depth.

Leave r

D a minimum of 1/16" from "bottoning out".

Comply with local instructions as to the correct setting.

Figure 1,Section II i

shows a PSA-1 in the mid-position.

However, it is 1:en-tact "I

to use 10:21 instructions, as tha " cold" setting probably will n:- be

e "si d-: :

• ion".

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ISSUE CPSES NUMBER REVISION DATE PAGE J08.35-1195 CP-CPM 6.9F 0

2-6-80 15 of 25 SUPPLEMENT 6.9F-III Kin Tech Division W PB CIFIC SCl.EnTIFIC END Fff "

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ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 CP-CPM 6.9F 0

2-6-80 16 of 25 SUPPLEMENT 6.9F-III k

Kin Tech Division SCIENTIFIC 14 O

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DOC. No. 141 FORWARD ADAPTER l

ASSEM3LY

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BROWN & ROOT, INC.

ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 CP-CPM 6.9F 0

2-6-80 17'of 25 SUPPLEMENT 6.9F-III Kin. Tech Division W Pa CIFIC SCIENTIFIC

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Continued The spherical bearings are designed to move 16' within the bearing socket.

However, as good practice, elininate as much I

mis-eliganent as possible and determine that not more than 26' be utilized at any position of the total stroke.

If it is necessary to rotate the cylinder end plug, follow these instructions very carefullyt (a) Remove attachments from the arrestor.

(b) Place the arrestor in a vertical.

position on a table.- sitting on the arrestor housing. Loosen but do not entirely free retaining ring (Fig. 1.Section II).

While loosened, rotate tubular member upon which the scale is printed until desired rotational position is gained.

Allow retaining ring to expand back into place.

Expand and contract i )

arrestor slowly through full stroke to determine that reposi-tioning has not danaged interior components.

E.

Brackets will be supplied with a protective coating which does not require removal prior to velding. Veld the bracket (s).

If installation is " variable length" socket veld pipe while maintaining align =ent within l'.

The velding procedure shall be qualified to ASME Section IX or the code approved by the local enforcing agency.

Mask bearings and paint per local requirements.

T.

Attach forward bracket assembly or transition tube - pipe-forward adapter combination to arrestor with provided bolts.

Torque bolts to 45

• 5 in. lbs. (PSA-1), 120 10 in. Ibs.

(FSA-3), 440 20 in. Ibs. (PSA-10).

Safety wire bolts, using staini-ss steel wire (not supplied with arrestor).

G.

Extend and retract arrestor through full stroke as a final check for binding.

H.

Secure arrestor to rear bracket with pin, washers and cotter pina provided. Washers are to be located one on each side of the spherical bearing.

I.

Secure forward bracket to other rear bracket or pipe clamp in the sane manner as in Paragraph H.

J.

OPERA

• ION No operating instructions are required for Facific Scientific Mechanical Shock Arrestors. Operation is purely automatic.

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ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 18 of 25 CP-CPM 6.9F 0

2-6-80 SUPPLEMENT 6.9F-III,

1 Kin Tech Division

]

Pa CIFIC SCIENTIFIC DOC. NO. 141 K.

MAINTENANCE Pacific Scientific Shock Arrestors are of mechanical design, and, as such, are practically maintenance free.

The shock arrestors are not, presently designated in any equipment category requiring mandatory maintenance service or inspection at specifically designated time intervals. The type and frequency of maintenance actions are, therefore, at the I

discretion of the owner.

L.

INSPECTION The following information is provided as a guide to owners rather than specific recom=endations. When convenient,

{

arrestors may be checked to determine that units are remaining a

functionally satisfactory.

On Section II models, detach one end of the arrestor from its retaining fittings.

Manually extend and retract the arrestor through its full stroke range.

With arrettor positioned horizontally, mechanical friction (breakaway force) to extend and retract the arrestor should not exceed 1% of its rated load.

The nameplate carries rated load data.

It is recommended that a push-pull spring scale, attached to the free and of the arrestor, be used to measure extension and retraction force.

If preferred, units may be returned to Pacific Scientific for a complete functional inspection - utilizing specialized equipment.

WARNINC If arrestors have been installed in a containnent area, they shall be decontaminated before shipment to Pacific Scientific. Observe local regulations in this regard.

Page 15.

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BROWN & ROOT, INC.

ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 19 of 25 CP-CPM 6.9F 0

2-6-80 SUPPLEMENT 6.9F-III

.h Kin. Tech Division h

W PE CIFIC SCIEEnTIFIC DOC. NO. 141 2

11.

SPARE PARTS

• " ~ -

• Recommended spare parts are limited to the accessories used with the arrestor. These include transition tube assemblies, forward adapter assemblies, forward bracket assemblies and rear bracket a s s e,m b lie s. These items are designated as

" assemblies" because such components as spherical bearings, washers and cotter pin. are included in the various combinations.

The accessories may or may not be manufactured by Pacific Scientific. Therefore, if, because of loss, damage or rejected condition, it is necessary to order assemblies or parts of assemblies, it is important to supply as =uch information to Pacific Scientific as possibl%. This infor=ation includes model number, date of manufacture and serial number on the arrestor nameplate.

Also, nomenclature, part numbers and material code numbers of the components in question are of assistance. Contact with the original purchaser of the equipment from Pacific Scientific should provide further traceability and assurance that correct replacement parts are being specified.

The quantity of " insurance" components to be considered for supporting original installations and to maintain as a hedge against later damage or loss is left to the discretion of the purchaser.

Page 16.

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BROWN & ROOT, INC.

_ _ _ _ NUMBER REVISION DAsc PAGE ISSUE CPSES JOB 35-1195 CP-CPM 6.9F 0

2-6-80 20 of 25 SUPPLEMENT 6.9F-III Kin Tech Division

]

Pa CIFIC

- SCIENTIFIC-

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DOC. FO. 141 SECTION III MODELS PSA-35 AND PSA-100 i

A.

See Figure 1 Section III for an illustration of a typical model. The inner mechanisms of the two models are of the same basic design. The difference is in the si=e of the components as related to load carrying capability.

See Figure 2,Section III for illustrations of "minimus" length arrestors.

3.

MINIM"M LENGTW arrestors consist of an arrestor, and either one or two rear bracket assemblies. Two rear brackets are supplied if attach =ent at one end is to be made other than to a pipe clamp.

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C.

VARIABLE LENCTH arrestors are supplied in seyerai modest (Refer to Figure 3,Section III and refer to the applicable

" Strut" drawing.)

In addition to the arrestor, a rear bracket assembly and an end cap asse=bly may be supplied. Either a weld adapter (male thread at one end) or a forward tube (male thread on and that 1-serts in arrestor and female threa* to accept threaded eat cap) vill be pre-asse= bled as rece1<ed.

With the combination of parts including the veld adapter it is necessary for the installer to supply a length of pipe cut to the appropriate " pin-to-pin" length requirements.

A " strut" drawing and a " mark" number on the nameplate may or may not be contractually required fro = Pacific Scientific.

The foregoing parts may also i=clude a length of pipe either pre-cut to length or over-length to be final cut at time of assembly and either velded into one or both mating fittings g

or not velded at all.

D.

INSTALLATION Before pro'ceeding read and observe the caution notes in General i

Section, Paragraph C.

Consult drawing and mark nu=ber data.

Before velding the rear bracket (s) to structure it is recommended that the installation be "dumnied up" to determine that the planned fits and location agree with the actual condition.

6 When pipe is used allow for a minimum of 1/2" insertion into nating parts.

However, do not insert to full depth.

Leave a minimum of 1/16" from " betta =ing out".

Tack welding may be utilized.

Co= ply with lotal instructions as to the correct setting.

Figure 1 Section III, shows a PSA-35 in the cid-position.

N e v ri e r, it is !=_ ottant to use loeni instructions as !!. a

"-'.f" setti:3 prctati: vill not ha the "mid-position".

F.ge 17.

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BROWN & ROOT, INC.

ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 CP-CPM 6.9F 0

2-6-80 21 of 25 SUPPLEMENT 6.9F-III

.f 4 Kin Tech Division iP.

Pa CIFIC 3

SCIENTIFIC

> 1-DOC. NO. 141

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- A.

SPHERICAL p.%

BEARING l

END CAP

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RING NUT l

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ADAPTER NUT

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FIOORE 1 SICTION III a.,:'MASICAL a..CCK ARREST 0t '10 DEL PSA-35 Paga 18-1:<' S $:a' Co te;s Bodeva-:. A a e,m.ca:.rocma 3:::3 (11417741217. TE'.Ex $5 $42*

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4 BROWN & ROOT, INC.,-

__ NUMBER REVISION DATE PAGE ISSUE CPSES JOB 35-1195 CP-CPM 6.9F 0

2-6-80 SUPPLEMENT 6.9F-III i

Kin. Tech Division

" Pa CIFIC SCIENTIFIC

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l END CAP DOC. NO. 141 s.

/

WELD ADAPTER

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PIPE a

I s-l TRANSITION TUBE ADAPTER END CAP B

O ARRESTOR i

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-W REAR BRACKET k

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END dAP i

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TICUM 3 S E CT I C ?' III FIGURE 2, SECTICN I!!

V'7:A5LE LE!;CTM MI::IMUM LINCTH Page 19.

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REVISION DATE PAGE CPSES NUMBER JOB 35-1195 CP-CPM 6.9F 0

2-6-80 23 of 25 SUPPLEMENT 6.9F-III K!n. Tech Division Pa CIFIC b

SCIENTIFIC

. - ~ ~.

D0C. NO. 141-... _..

D.

continued f

to move 6' within The spherical bearings are designed the bearing socket.

However, as good practice, eli=icate as much mis-alignment as possible and determine that not more than 2 6* be utilized at anv eosition of the total stroke.

If it is necessary to rotate the end cap assenbly.

follow these instructions very carefully (End cap shown in Fig.

1. Sect. III only).

CAUTION UNDER NO CIRCUMSTANCES SHALL THE END CAP BE ROTATED MORE THAN ONE COMPLETE TURN FROM THE BOTTOMED OUT POSITION.

7L (a) Vith the asse=bly cradled on a bench remove the screws and indicator tube.

Extend sufficiently to expose part of the telescoping tube (Refer to Tig. 1.Section III).

(b) While the telescoping tube is restrained from rotating, loosen the left hand threaded nut (ring).

(Nut has been torqued to 150 2 20 ft. Ibs.)

Rotate the end cap to the desired position.

(c) Re-torque the left hand threaded nut to 150 2 20 ft. Ibs.

f (A kit of special tools may be purchased from Pacific L

Scientific if on-site equivalent equipment is not avail-able.)

(d) Replace the indicator tube and screws.

{-

(a) Extend and retract the arrestor through full acroke to assure that no internal damage occurred during adjustment.

Brackets will be supplied with a protective coating which does

[

not require removal prior to velding.

If installation is

[

" variable length" socket veld pipe while maintaining alignment within l'.

The velding procedure shall be qualified to ASME e

Section IX or the code approved by the local enforcing agency.

l Mask bearings and paint per local require =ents.

E.

Secure arrestor to rear bracket with pin, vashers and cotter

(

pins provided. Washers are to be located one on each side of 7

the spherical bearing.

l Page 20.

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ISSUE BROWN & ROOT, INC.

CPSES NUMBER REVISION DATE PAGE JOB 35-1195 CP-CPM 6.9F 0

2-6-80 24 of 25 SUPPLEMENT 6.9F-III g

P L; %:E... :C Kin. Tech Divisica s.F i

J SCIEnTIF:lc DOC. NO. 141

]

F.

Secure end cap to other rear bracket or pipe clamp in the

]

same manner as in Paragraph E.

C.

OPERATION No operating ins tructions are required f or Pacific Scientific Mechanical Shock Arrestors. Operation is purely automatic.

H.

MAINTENANCE Pacific Scientific Shoek Arrestors'are of mechanical design, I

and, as such, are practically maintenance free.

The shock arrestors are not presently designated in any equipment category requiring mandatory =aintenance service or inspection at specifi-I cally designated time intervals.

The type and frequency of maintenance actions are, therefore, at the discretion of the owner.

u,.

I.

INSPECTION I

The following information is provided as a guide to owners l

rather than specific recommendations.

"When convenience, arrestors may be checked to determine that units are remaining functionally satisfactory.

I On Models PSA-35 and PSA-100 detach one end of the arrestor from its retaining fittings. Use slings and hoists as necessary.

Extend and retract the arrestor through its full stroke range.

The mechanical friction (breakaway force) to extend and retract I

the arrestar should not exceed 1% of its rated load.

The nameplate carries rated load data.

l If preferred, units may be returned to Pacific Scientific for a complete functional inspection - utilizing specialized equip-ment.

WARNINC If arrestors have been installed in I

a containment area, they shall be decontaminated before ship =ent to Pacific Scientific. Observe local regulations in this regard.

I Page 21.

1344 S. State Coi'ete Sue,a.1. pa m.Caat-ia 9:100,(714) 7751:17. TELEX ts.$c v

l l

I BROWN & F,00T, INC.

ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 CP-CPM 6.9F 0

2-6-80 25 of 25 SUPPLEMENT 6.9F-III r

Kin. Tech Division L

P8 CIFIC SCIENTIFIC b,

DOC. No. 141

~

=--

J.

SPARE PARTS Recommended spare parts are limited to the accessories used with the arrestor. These include transition tube assemblies, forward adapter assemblies, forward bracket asse=blies and rear i

bracket assemblies. These items are designated as " assemblies" because such components as spherical bearings, washers and cotter pins are included in the various combinations. The accessories may or may not be manufactured by Pacific Scientific. Therefore, f

if, because of loss, damage or rej ected condition, it is

(

necessary to order assemblies or parts of assemblies. it is important to supply as much in'f ormation to Pacific Scientific

{

as possible. This information i=cludes model number, date of manufacture and serial nucher on the arrestor nameplate.

Also, nomenclature, part numbers and material code numbers of the components in question are of assistance. Contact with the f

original' purchaser of the equipment from Pacific Scientific L

should provide further traceability and assurance that correct

('

replacement parts are being specified.

The quantity of " insurance" components to be considered for supporting original installations and to maintain as a hedge

[

against later damage or loss is left to the discretion of the purchaser.

[

[

L i

Page 21.

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