SOUTHWEST MUD PUMP PARTS LIST
8490-2A EMSCO FB-1600-1300 SWFE 5000 P.S.I
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST 5000 PSI EMSCO FB-1600/ FB-1300 7-1/2” X 12”
ITEM
NO.
PART NO. DESCRIPTION QTY.REQ，D
8490-2A FLUID 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 1 6390YXX LINER (REFER TO GUIDE TO ORDERING CHART FOR TYPE (Y) AND FOR SIZE (XX) 3
2 AJO428S LINER SEAL (REFER TO GUIDE TO ORDERING CHART FOR TYPE AND SIZE (XX) (AJO428SU Also available in urethane) 3
3 8490-3 WEARPLATE 3
4 2988 WEARPLATE AND MODULE SEAL (2988U Also available in urethane) 6
5 XX-BYY PISTON (REFER TO GUIDE TO ORDERING CHART FOR SIZE (XX) AND FOR TYPE (YY) 3
5A 2932 PISTON BUSHING (FROM 1-5/8” TO 1-1/2” STRAIGHT BORE) 3
6 568-225 PISTON O-RING 3
7 6278-25 PISTON ROD (WITH ELASTIC STOP NUT)(FOR 2-PIECE STUDDED PISTON ROD ASSEMBLY – PART NO. 6284-25A) 3
8 API-4ESN PISTON ROD NUT 3
9 1290-2 PISTON ROD CONNECTING STUD 3
10 6284-1 SUB ROD 3
11 6274CWY ROD CLAMP (CONSIST OF 11A, 11B, 11C) (FOR CLAMP ONLY, USE 6274C) 3
11A 1200H30 HOSE (1/2” X 30” WITH 1/2” MALE X 3/8” MALE CONNECTIONS) 3
11B 1286-CWYFP14 PIPE (1/2” X 14” GALVANIZED AND THREADED ON ONE END) 3
11C 4020-29 BOLT (5/8” X 8” GRADE 8 BOLT WITH LOCK NUT AND WASHER) 6
12 1200G74 PONY ROD 3
13 SEE PAGE VALVE 6
14 SEE PAGE VALVE INSERT (IF required) 6
15 SEE PAGE VALVE SPRING 6
16 SEE PAGE SEAT 6
SWTM1700 HYDRAULIC SEAT PULLER KIT COMPLETE (refer to tools section of catalog for details.)
4475-2A SOUTHWEST HP QUICK-CHANGE VALVE COVER ASSEMBLY: (consist of items no. 17-24) 6
17 4475 THREADED FLANGE 6
18 4575 SCREW GLAND 6
19 4675-2A PLUG (COMPLETE WITH VALVE GUIDE; SCREWS; AND BUSHING) 6
20 P129 HP VALVE COVER PLUG SEAL (P129U Also available in urethane) 6
21 4775-2R VALVE GUIDE (complete with bushing #47001) 6
22 4700I VALVE GUIDE BUSHING 6
23 4016-99 VALVE GUIDE SCREW 12
24 4015-2 VALVE COVER STUD (WITH SW PART# HHNHHN1250-7 1-1/4:-7” HEAVY HEX NUT) 72
25 4016-9 POWER END STUD (WITH SW PART# HHN1500-8 1-1/2-”8 HEAVY HEX NUT) 18
26 4017-36 LINER RETAINER FLANGE SOCKET HEAD CAP SCREW 24
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST 5000 PSI EMSCO FB-1600/ FB-1300 7-1/2” X 12”
ITEM
NO.
PART NO. DESCRIPTION QTY.REQ，D
27 6490-3 LINER RETAINER FLANGE 3
28 8422-3 LINER RETAINER PILOT RING 3
29 6590-1 LINER RETAINER NUT 3
30 4016-97 SUCTION MODULE STUD (WITH SW PART# HHN1500-8 1-1/2”-8 HEAVY HEX NUT) 18
31 4018-19 SUCTION MANIFOLD CAP SCREW (with lock washer) 18
32 8590-6 SUCTION MANIFOLD (front or side inlet) 1
33 568-442 SUCTION MANIFOLD SEAL 3
34 8490-2S SUCTION MODULE (studded only) 3
35 8490-1D DISCHARGE MODULE (studded only) 3
36 8488-5 DOWEL PIN 6
37 8390-50 DISCHARGE MANIFOLD 1
38 568-343 DISCHARGE MANIFOLD SEAL 3
39 4017-46 DISCHARGE MANIFOLD STUD (with sw part# HHN1250-8 1-i/4”-8 heavy hex nut) 12
40 ESN500 ELASTIC STOP NUT 12
41 LW875 LOCKWASHER 7/8 36
42 9070004 SINGLE LIP PONY ROD SEAL 3
43 9070005 DOUBLE LIP PONY ROD SEAL 3
44 9060012 SPLASH GUARD
45 4018-7S PONY ROD TO CROSSHEAD CAPSCREW (NOT SHOWN IN ASSEMBLY DRAWING) 24
8590-6BFA BLIND 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
6278-74 PISTON ROD PULLER FOR 6278-25 ROD & 1200G74 PONY
THE FOLLOWING PARTS ARE USED WITH THE SOUTHWEST FB-1600 / FB-1300 HYDRAULIC LINER RETAINER
46 1388XX LINER 3
47 2974XX LINER SEAL 3
48 8490-20 LINER WEARPLATE / use 2988 wearplate gasket same as original 3
49 8488-7 SET SCREW 12
50 6588-22-2 LINER NUT 3
51 6590-20A HYDRAULIC LINER RETAINER FOR THE FB-1600 / FB-1300 3
52 890-3A WEARPLATE PULLER
53 6278-74 PISTON ROD
54 8388-2A STRAINER CROSS
POLYURETHANE SEALS AVAILABLE
SOUTHWEST 5000 PSI FB-1600 / FB-1300 GUIDE TO ORDERING
PISTONS LINERS LINER SEALS
SIZE FAIL-SAFE® DUAL-DURO® BLACK CAT GRAYLOY® ZIRCONIA RUBBER URETHANE
4″ 76BFS 76BDD 76BBC 6390G06 6390ZIR06 AJO428S AJO428SU
4 1/2″ 78BFS 78BDD 78BBC 6390G08 6390ZIR08 AJO428S AJO428SU
5″ 81BFS 81BDD 81BBC 6390G1 6390ZIR1 AJO428S AJO428SU
5 1/2″ 83BFS 83BDD 83BBC 6390G3 6390ZIR3 AJO428S AJO428SU
6″ 85BFS 85BDD 85BBC 6390G5 6390ZIR5 AJO428S AJO428SU
6 1/2″ 87BFS 87BDD 87BBC 6390G7 6390ZIR7 AJO428S AJO428SU
7″ 89BFS 89BDD 89BBC 6390G9 6390ZIR9 AJO428S AJO428SU
WHEN U JSING THE SOUTHWEST HYDRAULIC LINER RETAINER USE THE CHART BELOW
SOUTHWEST 5000 PSI FB-1600 / FB-1300 GUIDE TO ORDERING
PISTONS LINERS LINER SEALS
SIZE FAIL-SAFE® DUAL-DURO® BLACK CAT GRAYLOY® ZIRCONIA RUBBER URETHANE
4″ 76BFS 76BDD 76BBC 1388G06 1388ZIR06 2974-06 2974-06U
4 1/2″ 78BFS 78BDD 78BBC 1388G08 1388ZIR08 2974-08 2974-O8U
5″ 81BFS 81BDD 81BBC 1388G1 1388ZIR1 2974-1 2974-1U
5 1/2″ 83BFS 83BDD 83BBC 1388G3 1388ZIR3 2974-3 2974-3U
6″ 85BFS 85BDD 85BBC 1388G5 1388ZIR5 2974-5 2974-5U
6 1/2″ 87BFS 87BDD 87BBC 1388G7 1388ZIR7 2974-7 2974-7U
7″ 89BFS 89BDD 89BBC 1388G9 1388ZIR9 2974-9 2974-9U
2-PIECE STUDDED PISTON ROD ASSEMBLY
COMPLETE ASSEMBLY PISTON ROD CONNECTING STUD SUB ROD
6284-25A 6278-25 1290-2 6284-1
VALVES & SEATS EMSCO FB-1600/FB-1300
TYPE VALVE INSERT SPRING STAINLESS
SPRING
SEAT PULLER HEAD PULLER HEAD STYLESOUTHWEST (Full Open) 777-8B N/A 941 N/A 877-7 SWTM4250 SPLIT JAW
FULL OPEN-ROUGHNECK (Cast N Place Insert) SWND-7V2 N/A SW5710-115L N/A SWND-7S1 SWTM40-SN
SWND-7PH
SPLIT JAW PANCAKEFULL OPEN-ROUGHNECK (High Temp) SWND-7V2HC N/A SW5710-115L N/A SWND-7S1 SWTM40-SN
SWND-7PH
SPLIT JAW PANCAKEFULL OPEN-ROUGHNECK (w/Replaceable Urethane Insert) SWND-7V1 SWND-7I SW5710-115L N/A SWND-7S1 SWTM40-SN
SWND-7PH
SPLIT JAW PANCAKE3 WEB DOUBLE ANGLE O-RING SWR0500110 SWR0514275 SWR0513989 SWR0514785 SWR0509309 SWTM3-7T 3 J HOOK
3 WEB (High Temp) SWR0520502 SWR0520501 SWR0513989 SWR0514785 SWR0509309 SWTM3-7T
3 WEB STANDARD PLATE SWR0505062 SWR0504893 SWR0513988 SWR0514202 SWR0509309 SWTM3-7T
4 WEB SWU5C-EEF SWUDD-7B SW5710-112 N/A SW7DD-B1 SWTM4-7 4 J HOOK
4 WEB (High Temp) SWU5C-EEFHT SWUDD-7BHT SW5710-112 N/A SW7DD-B1 SWTM4-7
ITEM NO. PART NUMBER DESCRIPTION QTY.
1 8388-2 DISCHARGE CROSS 1
2 8290-26RD STRAINER 1
3 5〇〇〇-5BFLANGE 5-1/8″ 5000# BLIND RJT FLANGE 1
4 HHN1500-6 1-1/2-6 HEAVY HEX NUT 32
5 R-44 R-44 RING JOINT GASKET 1
6 4016-58 STUD 32
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 NUMBER DESCRIPTION COPPERCOTE MOLY GREASE DRY (NOT RECOMMENDED)
API-4 ESN 4020-29 PISTON NUT BOLT NO MORE FORCE THAN ONE MAN ON 3′ WRENCH/CHEATER COMBINATION
150 MAXIMUM
4016-99 VALVE GUIDE SCREW 44 64 89
4015-2 VALVE COVER STUD 669 970 1338
4016-9 POWER END STUD 1397 2025 2794
4017-36 LINER RETAINER FLANGE 1586 2379 3173
4016-97 SUCTION MODULE STUD 1397 2025 2794
4018-19 SUCTION MANIFOLD CAP SCREW 215 322 430
4017-46 DISCHARGE MANIFOLD STUD 697 1011 1395