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SWmudpumpparts15

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SOUTHWEST MUD PUMP PARTS LIST
8490-2A EMSCO FB-1600-1300 SWFE 5000 P.S.I

FLUID END TYPEMODEL OF PUMPSIZE OF PUMP 
SOUTHWEST 5000 PSIEMSCO FB-1600/ FB-13007-1/2” X 12” 
ITEM

NO.

PART NO.DESCRIPTIONQTY.

REQ，D

 
 8490-2AFLUID END ASSEMBLY: (CONSISTS OF ITEMS: 3,4,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,33, 34,35,36,38,39)3 
16390YXXLINER (REFER TO GUIDE TO ORDERING CHART FOR TYPE (Y) AND FOR SIZE (XX)3 
2AJO428SLINER SEAL (REFER TO GUIDE TO ORDERING CHART FOR TYPE AND SIZE (XX) (AJO428SU Also available in urethane)3 
38490-3WEARPLATE3 
42988WEARPLATE AND MODULE SEAL (2988U Also available in urethane)6 
5XX-BYYPISTON (REFER TO GUIDE TO ORDERING CHART FOR SIZE (XX) AND FOR TYPE (YY)3 
5A2932PISTON BUSHING (FROM 1-5/8” TO 1-1/2” STRAIGHT BORE)3 
6568-225PISTON O-RING3 
76278-25PISTON ROD (WITH ELASTIC STOP NUT)(FOR 2-PIECE STUDDED PISTON ROD ASSEMBLY – PART NO. 6284-25A)3 
8API-4ESNPISTON ROD NUT3 
91290-2PISTON ROD CONNECTING STUD3 
106284-1SUB ROD3 
116274CWYROD CLAMP (CONSIST OF 11A, 11B, 11C) (FOR CLAMP ONLY, USE 6274C)3 
11A1200H30HOSE (1/2” X 30” WITH 1/2” MALE X 3/8” MALE CONNECTIONS)3 
11B1286-CWYFP14PIPE (1/2” X 14” GALVANIZED AND THREADED ON ONE END)3 
11C4020-29BOLT (5/8” X 8” GRADE 8 BOLT WITH LOCK NUT AND WASHER)6 
121200G74PONY ROD3 
13SEE PAGEVALVE6 
14SEE PAGEVALVE INSERT (IF required)6 
15SEE PAGEVALVE SPRING6 
16SEE PAGESEAT6 
 SWTM1700HYDRAULIC SEAT PULLER KIT COMPLETE (refer to tools section of catalog for details.)  
 4475-2ASOUTHWEST HP QUICK-CHANGE VALVE COVER ASSEMBLY: (consist of items no. 17-24)6 
174475THREADED FLANGE6 
184575SCREW GLAND6 
194675-2APLUG (COMPLETE WITH VALVE GUIDE; SCREWS; AND BUSHING)6 
20P129HP VALVE COVER PLUG SEAL (P129U Also available in urethane)6 
214775-2RVALVE GUIDE (complete with bushing #47001)6 
224700IVALVE GUIDE BUSHING6 
234016-99VALVE GUIDE SCREW12 
244015-2VALVE COVER STUD (WITH SW PART# HHNHHN1250-7 1-1/4:-7” HEAVY HEX NUT)72 
254016-9POWER END STUD (WITH SW PART# HHN1500-8 1-1/2-”8 HEAVY HEX NUT)18 
264017-36LINER RETAINER FLANGE SOCKET HEAD CAP SCREW24 
FLUID END TYPEMODEL OF PUMPSIZE OF PUMP 
SOUTHWEST 5000 PSI EMSCO FB-1600/ FB-1300 7-1/2” X 12” 
ITEM

NO.

PART NO.DESCRIPTIONQTY.

REQ，D

  
276490-3LINER RETAINER FLANGE3
288422-3LINER RETAINER PILOT RING3
296590-1LINER RETAINER NUT3
304016-97SUCTION MODULE STUD (WITH SW PART# HHN1500-8 1-1/2”-8 HEAVY HEX NUT)18
314018-19SUCTION MANIFOLD CAP SCREW (with lock washer)18
328590-6SUCTION MANIFOLD (front or side inlet)1
33568-442SUCTION MANIFOLD SEAL3
348490-2SSUCTION MODULE (studded only)3
358490-1DDISCHARGE MODULE (studded only)3
368488-5DOWEL PIN6
378390-50DISCHARGE MANIFOLD1
38568-343DISCHARGE MANIFOLD SEAL3
394017-46DISCHARGE MANIFOLD STUD (with sw part# HHN1250-8 1-i/4”-8 heavy hex nut)12
40ESN500ELASTIC STOP NUT12
41LW875LOCKWASHER 7/836
429070004SINGLE LIP PONY ROD SEAL3
439070005DOUBLE LIP PONY ROD SEAL3
449060012SPLASH GUARD 
454018-7SPONY ROD TO CROSSHEAD CAPSCREW (NOT SHOWN IN ASSEMBLY DRAWING)24
 8590-6BFABLIND FLANGE IS AVAILABLE FOR CAPPING UNUSED FLANGES ON 8590-6 SUCTION MANIFOLD – (8590-6BFA INCLUDES 8590-6BF BLIND FLANGE AND 568-456 O-RING) SEE SEPARATE PG. FOR DETAILS 
 6278-74PISTON ROD PULLER FOR 6278-25 ROD & 1200G74 PONY 
  THE FOLLOWING PARTS ARE USED WITH THE SOUTHWEST FB-1600 / FB-1300 HYDRAULIC LINER RETAINER 
461388XXLINER3
472974XXLINER SEAL3
488490-20LINER WEARPLATE / use 2988 wearplate gasket same as original3
498488-7SET SCREW12
506588-22-2LINER NUT3
516590-20AHYDRAULIC LINER RETAINER FOR THE FB-1600 / FB-13003
52890-3AWEARPLATE PULLER 
536278-74PISTON ROD 
548388-2ASTRAINER CROSS 
  **POLYURETHANE SEALS AVAILABLE** 
SOUTHWEST 5000 PSI FB-1600 / FB-1300 GUIDE TO ORDERING 
PISTONSLINERSLINER SEALS 
SIZEFAIL-SAFE®DUAL-DURO®BLACK CATGRAYLOY®ZIRCONIARUBBERURETHANE 
4″76BFS76BDD76BBC6390G066390ZIR06AJO428SAJO428SU 
4 1/2″78BFS78BDD78BBC6390G086390ZIR08AJO428SAJO428SU 
5″81BFS81BDD81BBC6390G16390ZIR1AJO428SAJO428SU 
5 1/2″83BFS83BDD83BBC6390G36390ZIR3AJO428SAJO428SU 
6″85BFS85BDD85BBC6390G56390ZIR5AJO428SAJO428SU 
6 1/2″87BFS87BDD87BBC6390G76390ZIR7AJO428SAJO428SU 
7″89BFS89BDD89BBC6390G96390ZIR9AJO428SAJO428SU 
  
WHEN UJSING THE SOUTHWEST HYDRAULIC LINER RETAINER USE THE CHART BELOW 
SOUTHWEST 5000 PSI FB-1600 / FB-1300 GUIDE TO ORDERING 
PISTONSLINERSLINER SEALS 
SIZEFAIL-SAFE®DUAL-DURO®BLACK CATGRAYLOY®ZIRCONIARUBBERURETHANE 
4″76BFS76BDD76BBC1388G061388ZIR062974-062974-06U 
4 1/2″78BFS78BDD78BBC1388G081388ZIR082974-082974-O8U 
5″81BFS81BDD81BBC1388G11388ZIR12974-12974-1U 
5 1/2″83BFS83BDD83BBC1388G31388ZIR32974-32974-3U 
6″85BFS85BDD85BBC1388G51388ZIR52974-52974-5U 
6 1/2″87BFS87BDD87BBC1388G71388ZIR72974-72974-7U 
7″89BFS89BDD89BBC1388G91388ZIR92974-92974-9U 
  
2-PIECE STUDDED PISTON ROD ASSEMBLY 
COMPLETE ASSEMBLYPISTON RODCONNECTING STUDSUBROD 
6284-25A 6278-251290-26284-1 
  
 

 

VALVES & SEATS EMSCO FB-1600/FB-1300

TYPEVALVEINSERTSPRINGSTAINLESS

SPRING

SEATPULLER HEADPULLER HEAD STYLE
SOUTHWEST (Full Open)777-8BN/A941N/A877-7SWTM4250SPLIT JAW
FULL OPEN-ROUGHNECK (Cast N Place Insert)SWND-7V2N/ASW5710-115LN/ASWND-7S1SWTM40-SN

SWND-7PH

SPLIT JAW PANCAKE
FULL OPEN-ROUGHNECK (High Temp)SWND-7V2HCN/ASW5710-115LN/ASWND-7S1SWTM40-SN

SWND-7PH

SPLIT JAW PANCAKE
FULL OPEN-ROUGHNECK (w/Replaceable Urethane Insert)SWND-7V1SWND-7ISW5710-115LN/ASWND-7S1SWTM40-SN

SWND-7PH

SPLIT JAW PANCAKE
3 WEB DOUBLE ANGLE O-RINGSWR0500110SWR0514275SWR0513989SWR0514785SWR0509309SWTM3-7T3 J HOOK
3 WEB (High Temp)SWR0520502SWR0520501SWR0513989SWR0514785SWR0509309SWTM3-7T
3 WEB STANDARD PLATESWR0505062SWR0504893SWR0513988SWR0514202SWR0509309SWTM3-7T
4 WEBSWU5C-EEFSWUDD-7BSW5710-112N/ASW7DD-B1SWTM4-74 J HOOK
4 WEB (High Temp)SWU5C-EEFHTSWUDD-7BHTSW5710-112N/ASW7DD-B1SWTM4-7
       
ITEM NO.PART NUMBERDESCRIPTIONQTY.
18388-2DISCHARGE CROSS1
28290-26RDSTRAINER1
35〇〇〇-5BFLANGE5-1/8″ 5000# BLIND RJT FLANGE1
4HHN1500-61-1/2-6 HEAVY HEX NUT32
5R-44R-44 RING JOINT GASKET1
64016-58STUD32

ORQUE SPECIFICATIONS FOR 8490-2A SOUTHWEST FLUID END ASSEMBLY

EMSCO FB-1600 / FB-1300 5000 P.S.I.

  TORQUE TYPE (EXPRESSED IN FOOT-POUNDS)
PART NUMBERDESCRIPTIONCOPPERCOTEMOLY GREASEDRY (NOT RECOMMENDED)
API-4 ESN 4020-29PISTON NUT BOLTNO MORE FORCE THAN ONE MAN ON 3′ WRENCH/CHEATER COMBINATION

150 MAXIMUM

4016-99VALVE GUIDE SCREW446489
4015-2VALVE COVER STUD6699701338
4016-9POWER END STUD139720252794
4017-36LINER RETAINER FLANGE158623793173
4016-97SUCTION MODULE STUD139720252794
4018-19SUCTION MANIFOLD CAP SCREW215322430
4017-46DISCHARGE MANIFOLD STUD69710111395

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