Black Clawson

24 PH-PS SELECTIFIER SCREEN 

Black Clawson 

http://legacy.library.ucsf.edu/tid/hvm91a00/pdf 

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203129•2108

24 PH-PS SELECTIFIER SCREEN 


2031292109

REF . 24 PH-PS 

SELECTIFIER SCREEN 

Dear Customer : 

Shsrtle-Pandia Divi>aitxt/Box 160/MiddletoMm, Ohio 45042-0160 Phone (513) 424•7400 

TWX 810 451 2944 

The Black Clawson Company 

This manual was prepared for general information and guidance 

only . For specific information concerning parts or items, 

please refer to the certified prints . 

We would appreciate your seeing that operating and maintenance 

personnel are informed of this manual . 

We trust this will be helpful to you in the installation, 

operation and maintenance of your equipment . 

T8E BLACK CLAWSON COMPANY 

Shartle-Pandia Divisions 

Middletown, Ohio 45042 

2031292110 

E..Mlw OMies/200 Park Aw .. New York, N .Y. • Paper Maehlnss•ComrMino Maehinary-Plastia Processing Equipmont/Fuiton 

a 1Natertown, N .Y . • Pulp & Papa Mill :tock Processing Systoma/Middletown . Ohio • Forest Products MachirNry/Evaret . 

Washington • Eiaaho-Fiyt. Orh» t Control •ytbms/Fulton, N .Y . • Cone.Nt Proesssino Machinory/Nashua. kowa • 

lnrarnltiOnah Canada/81ack Ciawson-KtnMdy, Ltd . 0 EnEtand/81adc Clawson Int'I., Ltd . • France/Black Clawson (Franq) 

http://legacy.library.ucsf.edu/tid/hvm91a00/pdf

FOREWORD 

I INTRODUCTION 

Your Black Clawson Selectifier Screen is a high quality machine 

designed to give trouble free operation and minimum maintenance . 

However, cartain precautions and procedures must be observed in 

handling, installing, operating and servicing the unit in order 

to obtain optimum performace . The information in this manual 

should cover most situations . Should questions arise that are 

not covered in this booklet, additional information can be obtained 

by contacting the Service Department, The Black Clawson 

Company, Shartle-Pandia Division, Middletown, Ohio 45042 . 

SERIAL NUMBERS 

All Selectifier Screens and Drives are assigned SERIAL NUMBERS 

at the Shartle-Pandia Division . These identifying numbers 

will be found stamped into nameplates which are attached to the 

Selectifier Screen body and the gear housing of the drive (when 

applicable .) They will also appear on the certified drawings 

which you received pertaining to your particular Selectifier 

Screen . 

Since all records for each Selectifier are compiled under its 

identifying number, ALWAYS STATE SERIAL NUMBERS as well as size 

and type of unit when inquiring about service or maintenance 

problems . 

RENEWAL PARTS 

Orders for renewal parts should state the serial number (s) and 

include the item number, description and part drawing number as 

shown on the parts list of the certified drawing . 

SAFETY PRECAUTION 

TO PREVENT ACCIDENTAL STARTING while the screen is being 

serviced, follow your prescribed safety procedures . 


PH-PS 

2031292111

• CONTENTS 

PAGE 

I : INTRODUCTION 

Foreword 1 .0 

Serial Numbers 1 .0 

Renewal Parts 1 .0 

Safety Precautions 1 .0 

11 

II . SPECIFICATIONS 

General Description 

Sizes 

Components of Selectif ier Screen 

Body Assembly 

Screen Cylinder 

Rotating Element 

Drive 

Pressure Gauge Assembly 

Trash Box Valve 

Reject Valve 

Control Panel 

General Arrangement of Parts 

2 .0 

2 .0 

2 .0 

2 .0 

2 .0 

2 .0 

2 .0 

2 .0 

2 .1 

2 .1 

2 .3 

III . PRE-INSTALLATION 

Typical Discharge Pipe Hook-Up 3 .0 

Typical Air Entrance Into System 3 .1 

IV . INSTALLATION 

Foundation and Anchor Bolts 4 .0 

Lif ting Device _ 4 .0 

Leveling and Aligment 4 .0 

Piping 4 .0 

V-Belt Drive 4 .0 

Air Bleed-Off Valve 4 .1 

Pre-Operational Equipment Check 

V-Belt Drive 4 .1 

Rotating Element 4 .1 

Rotation 4 .2 

Trash Box Valve 4 .2 

Reject Valve - 4 .2 

Reject Valve Control Connections 4 .3 

Control Panel 4 .4 

V . OPERATION 

General Operating Instructions 5 .0 

Start-Up Procedure 5 .1 

Trash Box Operation 5 .3 

Shut-Down Procedure 5 .4 

Emergency Stop 5 .4 

VII . LUBRICATION 

Drive Bearings 7 .0 


2031292112

Selectifier Screen 

GENERAL DESCRIPTION 

II SPECIFICATIONS 

The Black Clawson PH-PS Selectifier Screen is a high speed 

pressurized centrifugal screen . The screening function is 

accomplished by a perforated cylinder having either holes or 

slots and facilitated by a rotating element consistinq of air 

foil bars extended from a central cage . It is driven through 

V-belts and sheaves . 

SIZES 

The PH-PS Selectifier Screen is manufactured in a variety of 

sizes to meet the needs of the industry . 

COMPONENTS OF THE PH-PS SELECTIFIER SCREEN 

BODY ASSEMBLY 

The body assembly forms the shell or outside chamber of the 

screen . It contains stock inlet and discharge openings as well 

as provisions for removal of heavy trash and light rejects . 

SCREEN CYLINDER 

The screening function is accomplished by the screen cylinder 

which has a perforated wall of either holes or slots through 

which the accepted stock must pass . Proper perforation size 

is specified for each screening condition by the Application 

Engineering Department . 

ROTATING ELEMENT 

The stock flow through the perforated cylinder is facilitated 

by a rotating element which consists of air foil bars supported 

from a central cage by arms and adjusting studs and nuts . 

DRIVE 

The rotating element is driven through a V-belt and sheave 

arrangement . A mechanical seal is used where the drive shaft 

enters the bottom of the body assembly . 

PRESSURE GAUGE ASSEMBLY (OPTIONAL) 

The inlet and discharge pressures are measured by pressure 

gauge assemblies which consist of an indicator connected to 

a diaphragm activated, liquid filled unit . 

CAUTION : Any disassembly of the units by the customer voids 

the manufacturer's warranty . 

TRASH BOX VALVE • 

A handwheel operated slide valve is used to isolate the heavy 

trash box for cleanout operations . 

PH-PS 2.0 


2031292113

Specifications Selectifier Screen 

REJECT VALVE (OPTIONAL) 

The flow of rejects is controlled by either a manually or 

pneumatically operated valve . 

SELECTIFIER CONTROL PANEL (OPTIONAL - USED ONLY ON SCREENS 

HAVING PNEUMATICALLY OPERATED REJECT VALVES) 

The main purpose of the Selectifier control panel is to automatically 

operate the reject valve on a timed basis . These 

valves have a manual adjustment to obtain the desired amount 

of constant bleed of rejects from the screen . Periodically 

the valve is forced wide open for a short period of time to 

release any concentration of rejects that may have accumulated 

in the screen or reject piping. - 

The panel also contains components relating to the operation 

of the drive motor . 

There are three different models of Selectifier Screen control 

panels . 

A) Single unit panel for operating one screen . 

B) A two-unit panel for operating two screens . 

C) Multi-unit panels for operating more than two screens . 

The single and multiple unit panels utilize a single set cycle 

repeat timer which controls the frequency of purging the reject 

valves . With a single unit panel the cycle time setting determines 

how frequently the reject valve will purge . For multiunit 

panels the cycle timer determines the lapse time between 

purging successive Selectifier Screen reject valves . 

The two-unit panel utilizes a duo-set repeat cycle timer for 

controlling the frequency of puring the reject valves . One arm 

is adjusted to control each screen . The sum of the two arm 

settings is the interval time between purges of each screen . 

The purge timer controls the length of time the reject valve will 

stay wide open. The single unit and multi-unit panels utilize 

one purge timer . The valves, with the multi-unit system, purge 

in sequence but the purge time is the same for each valve . 

The two-unit panel utilizes two purge timers so each valve purge 

time can be controlled independently . 

The multi-unit panel contains a motor driven program switch . 

This device is inside the panel and it automatically switches 

the timing and purging controls from one Selectifier Screen 

valve to the next . For this reason .the cycle timer setting is 

the duration of time between purging successive valves . 

w . PH-PS 


2031292114

Se{ectifier Screen Specifications 

. 

All'panels contain a pilot light to indicate when each purge 

valve is open . They also contain an automatic-manual-open 

selector switch for control of this valve . In automatic position 

the valve will purge with the timer sequence . In manual operation 

the valve will remain closed to its constant bleed position . In 

open position the valve goes wide open and remains there until 

the switch is released and drops back to manual. This selector 

switch is spring return from open to manual position . 

All panels contain a spring return to center stop and start 

selector switch for controlling the Selectifier Screen drive 

motor . A pilot light, for each unit, indicates that the motor 

is operating and an ammeter indicates its load . 

Each panel contains one off-on poawer switch and a pilot light 

to indicate when the power is on . This switch controls the 

110 volt power to the control panel . 

Note : The motor control stop and start circuit is normally 

energized from the motor starter and therefore can be energized 

even though the 110 volt power switch is in the off position . 

Note : The Selectifier control panel does not contain the 

magnetic starters for operating the drive motors . 

PH-PS 2.2 


2031292115


1. POOR HOOK UP 

III PRE-INSTALLATION 

TYPICAL DISCHARGE PIPE HOOK-UP 

FOURDRINIER MACHINE CYLINDER MACHINE 

No m .ans to maintain a full sc ..a+ of stock . YYill cause trouble . 

Z. BETTER HOOK UP 

W~ 

HLI I 

By throttling discharpe valve scra .n will optrat* full and undsr some pressure . 

NOTE: DISCHARGE VALVE MUST BE THROTTLED AT ALL TIMES . 

3. BASEMENT INSTALLATION 

Scrs:n will always be full of stock . 

PH-PS 


~ \\\ 

WIM . 

10 

3 .0 

2031292116

Pre-lnstatlation Selectifier Screen 

AIR ENTERIN6 

AIR ENTERINa 

?0 FAN'V11' 

TYPICAL AIR ENTRANCE INTO SYSTEM 

TO FAN PUMP 

AIR 

STOCK 

CpRRECTED 

CORRECTED 

TO FAN PUMP 

The ebove sketches represent a 6 ..d box an a cylinder moehin* or tray water collection box on a 

fewdrini .r. 

Nonnally air probl .ms con be corr.ct.d at this point by minor changes to the box . 

Th . pipe opening f..dina the fan pump should always be subm.rp.d so pump will not suck air . 

3 .1 


TO FAN PUMP 

PH-P .S 

2031292117

Seiectifier Scrcen 

FOUNDATION AND ANCHOR BOLTS 

• . IV lNSTaIlATiON 

The customer is to furnish all foundations, anchor bolts .- piping, 

etc . Refer to the quotation and certified drawings for listing 

of parts being furnished by the Black Clawson Company . 

The certified assembly print will show the anchor bolt size and 

spacing . We recommend that anchor bolts be encased by sleeves 

(as illustrated) to allow for minor deviations . 

LIFTING DEVICE 

Provision should be made for an overhead lifting device to handle 

the top cover, rotating element, screen cylinder and drive shaft 

when servicing the unit . Sufficient floor space should be available 

to accommodate these parts . 

LEVELING AND ALIGNMENT 

Install the Selectifier Screen on the foundation by lowering over 

the anchor bolts . Level the unit by shimming with steel pieces 

next to each anchor bolt . Snug the anchor boltss then grout the 

screen in place . Tighten the anchor bolts after the grout has 

set up . _ 

PIPING 

Connect the inlet and discharge piping . It is essential that 

all piping be well supported so that no strain is placed on the 

screen . 

V-BELT DRIVE 

Mount the motor on the motor bracket (if motor was not supplied 

with unit) . Install the sheave on motor shaft and align with . ' 

sheave on Selectifier Screen drive shaft . Assemble the V-Belts 

and adjust for proper tension . 

PH-PS 


2031292118

INSTALLATION SELECTIFIER SCREEN 

AIR BLEED-OFF VALVE 

The customer is to furnish a close coupled air bleed-off globe valve 

and piping . Normally, 1" fittings are sufficient to free the screen 

of entrapped air . The vent can be piped to the f loor, sewer or reject 

system . 

A union should be installed after the valve to facilitate easy 

disassembly when removing the top cover from the top cover from 

the screen . 

PRE-OPERATION CHECK 

DRIVE 

The unit is equipped with a V-Belt drive . Check the sheave alignment 

and adjust the motor bracket for proper belt tension . 

Wipe the two grease f ittings and fill until grease starts to seep out . 

See the lubrication section of this manual for grease recommendations . 

ROTATING ELEMENT - AIRFOIL BAR CLEARANCE 

Check the thrust screw which holds the rotating element to the drive 

shaf t. yake sure it is right . 

Check the clearance between the airf oil bars and the screen cylinder . 

The clearance should be in accordance with the chart below . 

CAUTION 

DO NOT PUT STOCK THROUGH THE SELECTIFIER SCREEN WHEN THE ROTATING 

ELEMENT IS REAfOVED AND THE DRIVE SHAFT EXPOSED AS PITTING AND/OR 

CORROSION MAY OCCUR . 

Clearance Rotor RPM '. 

1/B" 500 '3 ; 

3/16" 

600 ; 

3/16" 700 + 

3/16" 800 `_, , 

4 .1 Rev . B-19-87 PH-PS 


2031292119

Selectifier Screen Installation 

NOTE : Airfoil bars must be in matched sets of two bars and 

be within 1/4 oz . of each other . When installing four (4) 

• airfoil bars on one scraper cage, two different matched 

sets can be used if the matched sets are installed 160• ' 

,apart . 

To check the clearances, use 10"-12" long feelers . Rotate the 

bars while moving the feelers from top to bottom, locating the 

high point on the cylinder . Check each bar from the same high 

point . To change the clearance, move the airfoil bar in or out 

by turning the adjusting nuts . 

NOTE : To keep the bars parallel with the cylinder, adjust the 

top and bottom stud nut each 1/4 or 1/2 turn at a time . 

CAUTION : After checking or resetting the bar clearance be - 

sure all adjusting nuts are tight . 

After the screen has operated a few days or at the first washup, 

remove the top cover and check the thrust screw and the adjusting 

nuts to be sure they are tight . 

ROTATION 

While the top cover is off the screen, jog the motor to check 

the rotation . The rotating element should turn clockwise when 

viewed from the top . 

DO NOT OPERATE THE SCREEN DRY AS EXCESSIVE HEAT MAY DAMAGE THE . 

MECHANICAL SEAL . 

TRASH BOX VALVE 

The handwheel operated slide valve over the heavy trash box should 

be fully open . 

REJECT VALVE 

MANUAL - If the screen is equipped with a handwheel operated 

reject valve it should be fully closed . 

AUTOMATIC - If the screen is equipped with an automatic reject 

valve, pipe up the solenoid control valve in the air supply 

line for the cylinder operator in accordance with the diagram 

shown in this manual . Normal air pressure for operating an 

automatic reject valve is 50 to 60 PSIG . Maximum pressure is 

100 PSIG . Fill the air filter lubricator with oil in accordance 

with the instructions on and under the filter cap . See the 

Lubrication section of this manual for oil recommendations . 

To check the reject valve operation and for proper piping, the 

solenoid valve may be operated by using its manual override . 

This is a button on the solenoid enl of the valve . With the 

air supply on and the button depressed, the reject valve should 

open. When the button is released, the valve should close . 

PH-PS 4 .2 


2031292120

lnstallation 

REJECT VALVE CONTROL CONNECTIONS 

110 VOLTS i/1GIM MNEL 

EXwiUST 

0' 4 MIA1I SOLENOID MWE 

NORMAL OPER{1TNG PRESSURE 660 LSS . 

450 L6S MINIMUM- 100 LOS MAXIMUM) 

NOTE - REJECT PIPING 

I 


m 

i \ 

TO CONTM/t10NtLY SLEE,p QEJ[CT 

YMLVE . BACK OiP dAM NUT, TURN 

AOJInTM10 NUT TO RAIf E iATE 

FOR OESMlEO BLEEp-Oii, LOGK 

When installing two or more screens, individual lines should be 

run from each screen to the reject collection point (tank, couch 

pit, tailing screen, etc .) . If it is absolutely impossible to 

avoid a header arrangement, pipe the reject line so that the rejects 

flow into the header in the same general direction as the header 

flow . The pipe connection should be at a 45' angle . DO NOT make 

a 90' connection between the reject lines and header . 

01 

4.3 PH-PS 


2031292121


CONtROL PANEL CHECK- 

QUT PROCEDURE 

After Ihe panel has baen wired 

in accordance with the certified 

drawinOs, tum the 110 volt power 

switch (item 2) b•'ON" and 

tha panel will bt enoroisod . 

Position all valve control switch- 

•s (iteml) to "MANUAL" . 

This will koop the valves in a 

closed or constant bleod position. 

One at a time po sition the val ve 

control switches (item 1) to 

•'OPEN" and bock to "MANU• 

AL", observing that the reject 

valve purges. It is assumed 

that the four-way solenoid aontrol 

valves and cylinders have 

been properly piped up with an 

air supply. 

Set the cycle timer (item 4) 

ranoe to a minimum velue to eKpodito 

completion of its pro- 

,rom for oonwnianee . Position 

the purge timer (item 3) to approximately 

one seosnd and the 

valve control switches (item 1) 

to •'AUTOMATIC" position . 

Each valve will now automaticelly 

open for ono second in 

sequence. The interval timo ba 

twoon purges will be that sot 

an tho cycle timer. 

CAUTION - In operation, purp• 

inp for too long a period can 

cause fluetuetians in vat or 

haedbox levels. 

The selactifior "START" and 

"STOP" switch (item 5) and 

1h• pilot light Can b6 checked 

out . 

PH-PS 


TYPICAL PANEL LAYOUT 

sL! ancermc. 

Itm le4.K. 

(a 

CAUTION » DO NOT OPERATE THE SCREEN 

DRY AS EXCESSIVE HEAT MAY DAMAGE THE 

MECHANICAL SEAL . 

Installation 

. 

4 .4 

2031292122

Installation 

BEATIER ROOM APPLICATION 

. 


It is recommended that Selectifier Screens,-when used in a beater 

room application, be equipped with a control system designed 

to reduce the possibility of plugging . When a pressure control 

on the discharge side of the screen senses a drop in pressure, 

water is added to the dilution tank to reduce the consistency and 

hopefully free the screen . Should plugging continue the screen 

and supply pump will be shut down . 

WATER f Ps-~ Ps•2 

~ ~--- ------•--r--------•---- ~, 

41 NoRN : 

I t ' 

i ----------------•------•---- r- , .------(•------~ 

I I P ' + i 

sressurs Loop C1ontrol 

~QE~sJ~L 

T1Q.INSM/TTCR ! I Pl?E331l-e= 

744NSM/TTER 

~ RE. /ECT3 

PRESS~J4E ` 

INOIuTOR SELECTiFiER 

Cea7ROtiER SeieEEM 

Maintains constant inlet pressnre to screen 

and constant AP across Liquid Cyclone . 

Page 4 .5 PH-PS 


2031292123

GENERAL OPERATING INSTRUCTIONS 

V . OPERATION 


The screen must be operated with proper feed consistency and flow 

as determined at time of purchase . 

It is recommended that the flow through the screen be controlled 

on the discharge side and that the pump feeding the screen be capable 

of supplying the required flow through the screen with a minimum 

inlet pressure of 30 PSI . 

During operation the continous reject flow must be maintained at 

the designed rate . This may be done by manual observation, by use 

of a f low meter . 

If the screen should plug due to a sudden surge in consistency or 

due to a sudden influx of rejects it can normally be unplugged on 

the run by shutting the control valve tight until both inlet and 

discharge gauges read the same . This increased pressure and stop 

of flow through the cylinder allows the rotor to clear the screen 

of a fiber mat at the surface . When the pressures are equal you 

may start the f low through the screen by opening the control valve 

slowly and watch the gauges . If the normal pressure range is attained 

you may assume it is cleared and the screen will continue 

to operate as required . If the differential remains high it may 

be necessery to repeat the process . If the screen plugs tight 

and the motor kicks out, it will be necessary to remove the cover 

and clean the screen before operating . 

The above type of control can be done automatically by a differential 

pressure control arrangement . If desirable, you see Black 

Clawson representative . 


5 .0 

10-29-85 Revised 

2031292124

Starting the Selectifier Screen 

V OPERATION 


An established sequence of steps should always be followed when starting 

• the Selectifier Screen, This procedure will prevent mistakes, insure 

quicker start-up and give better operation . 

Start-Up Procedure 

1- Set lte ject System 

The purpose of the reject system is to rid the screen of any 

particles that are too large to pass through the cylinder perf orations, 

such as fiber bundles that will not break up, sionfibrous 

materials, sheaves, etc . These items, if not removed 

from the unit will recirculate in the-screen and increase in 

numbers until they come into contact with the rotating element . 

They can be forced between the bars and the cylinder which can 

cause cylinder breakage, cylinder plugging or rejects being 

forced through the cylinder . 

The reject system is controlled through a valve in one of the 

following manners . 

A - Automatic Reject System - Pneumatic valve operated through 

a control panel in one of the following ways : 

1- Continuous Bleeding with Periodic Purge 

In this system the valve is adjusted so that in its 

"Closed"position the f low is not completely shut off . 

Periodically the valve is fully opened for a specified 

time and then returned to its original position . 

The amount the valve remains open is adjustable and 

must be set for each installation . 

- Periodic Purge 

In this system there is no f low thru the reject line 

when the valve is in the "Closetl" position . Periodically 

the valve is fully opened for a specified time and 

then closed again, . . 

8-- lrlanual Reject System - 8andwheel operated valve used in one 

of the f ollowing ways s 


1- Continuous Bleeding with Periodic Purge 

In this system the valve is lef t slightly open to permit 

a constant f low through the reject lien . Periodically 

the valve is opened to f lush out any buildup and then 

returned to its original position . 

5 .1 

2031292125

Starting the Selectifier Screen (continued) 

2 - Periodic Purge 


In this system there is no flow thru the reject line 

as the valve is completely closed . Periodically the 

valve is opened to flush out any buildup and then closed 

again . 

1-a Before starting a Selectifier Screen or series of screens that 

have an automatic reject system, review the control panel checkout 

procedure .in the Installation section of this manual . Set 

the cycle timer and pur;r timer to the desired settinga. If no 

previous experience is available the cycle timer may be set at 

5 minutes and the purge timer at 1 second for starting the 

screen and adjustments made later . 

1-B If the screen has a manual reject system and continuous bleeding 

is desired, open the valve about 1" . 

2- Check the hand operated valve over the heavy trash box . It 

should be completely open . 

3 - Turn on the pump to fill the system and Selectifier Screen with 

water. The screen should be full of water before starting the 

motor. The screen should be under some pressure at all times 

when operating . The amount of pressure will vary with each 

Installation . When pressures are very low, it is advisable to 

control f low through the screen with a discharge control valve . 

4 - Start the Selectifier Screen motor . CAUTION : Do not run the 

screen dry except for short periods as the machanical seal may 

be damaged . NOTE : The screen must be operating before introducing 

stock into the system . 

5- Crack the 1" air bleed-off valve on the inlet head cover and 

bleed off entrapped air . Recheck this valve once or twice a 

shif t for several days . When extreme air conditions are encountered, 

it may be necessary to bleed this valve continuously while 

locating and correcting the source of air entrance into the system . 

6 - Introduce stock into the system . 


5 .2 

2031292126

ppERATION 

Beavy Trash Box Operation 

AIR sLEEO .OFF VALVE 

REJECT VALVE 


HEAVY 

TRA:N 

s OX 

Zhe purpose of this trash box is to rid the screen of any large or 

heavy particles that could cause any internal damage between purges 

of the reject valve . 

The trash box is equipped with a quick opening cleanout door and a 

band operated slide valve to facilitate the cleanout operation . 

Zccept while cleaning the trash box, the valve should be completely 

open . To clean the trash box, close the valve and open the quick 

opening door . Normally no additional water is needed to wash out 

the box . 

Af ter cleaning, close the quick opening door and slowly open the 

valve gate until it is completely open . 

The number of times that the trash box should be cleaned each day 

will vary . It should be cleaned as often as necessary to prevent 

stock f rom dewatering and forming a plug that will prevent heavy 

particles from settling on teh bottom of the box . 

For start-up, clean once each shift . 


5 .3 

2031292127

OPERATION SELECTIFIER SCREEN 

Sbut-Doiva Procedure 

For a normal shut-down : 

1- Cut off stock supply . 

2- Allow pump to run until system is cleared of stock . 

3 - Stop Selectifier Screen motor . 

4 -StopPumP• 

Emergeocy Stop 

Stop the pump, cut off the stock supply and stop the screen . 

If the downtime will be excessive enough to permit the stock to dry 

out, etc., the screen can be cleaned by opening the trash box door 

and flushing the unit with water . 


5 .4 

2031292128


LUBRICATION 

VII LuBRICATION 

The bearings supporting the drive shaft are grease lubricated . 

Lines are run from the bearing housings to the outside,of the 

Selectifier Screen base to make lubrication easier . 

Pump an adequate amount of grease into each bearing (15 to 20 

strokes after the lines are full) . 

TYPE OF GREASE - Lubricant should be a high grade, non-separating 

bearing grease suitable for operating temperatures up to +150•F . 

Grease should be N .L.G .I . number 1 consistency . 

Grease lubricant must be non-corrosive to ball or roller bearings, 

and must be neutral in reaction . It should contain no grit, 

abrasives or fillers ; should not precipitate sediment ; and should 

have moisture resistant characteristics . The lubricatn must have 

good resistance to oxidation . 

MANUFACTURER 

TRADE NAMES OF TYPICAL 

American Oil Company 

Cities Service Oil Company 

Gulf Oil Corporation 

Mobile Oil Company 

Shell Oil Company 

Sinclair Refining Company 

Standard Oil Div . of American Oil 

Standard Oil Company (OHIO) 

Sun Oil Company 

Texaco, Inc . 

Tidewater Oil Company 

LUBRICATION PE?tIOD - Weekly ' 

PS-PS 


GREASES 

NAME OF GREASE 

Stanolith No . 57 

Trojan Grease H-2 

Precision Grease No . 2 

Mobilux 2 

Alvania Grease 2 

Bearing Grease No . 1 

Co . Stanolith No . 57 

Sohio 78 Grease 

Prestige 741 EP 

Multifak 2 

Veedol Alitho 20 

7.0 

2031292129

Black Clawson

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