SOUTHWEST MUD PUMP PARTS LIST
8422A_EMSCO_F-800_5000 P.S.I
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST 5000 PSI EMSCO F-800 6-3/4” X 9”ITE
M
PART NO. DESCRIPTION QTY.REQ，D
NO.
8422A FLUID END ASSEMBLY: (CONSISTS OF ITEMS: 3,4，17，18，19,20,21，22,23,24,25,26,27,28,29,30,31，34,35,36,38 & 39) 3
1 1372YXX LINER REFER TO GUIDE FOR ORDERING CHART FOR TYPE (G); (Y); AND FOR BORE SIZE (XX) 3
2 2974-8 LINER SEAL 3
3 8422-6 WEARPLATE 3
4 2988 WEARPLATE AND MODULE SEAL 6
5 XX-BYY PISTON REFER TO GUIDE FOR 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 6222-25 PISTON ROD (WITH ELASTIC STOP NUT) 3
8 API-4ESN PISTON ROD NUT 3
9 1290-2 PISTON ROD CONNECTING STUD 3
10 6294-1 SUB ROD 3
11 6294CW ROD CLAMP (WITH WATER JACKET) 3
11A 1200H30 HOSE (1/2” X 30” WITH 1/2” MALE X 3/8” MALE CONNECTIONS) 3
11B 1200120 PIPE (3/8” X 12” GALVANIZED AND THREADED ON ONE END) 3
11C 4018-97 BOLT (3/4”X 3” GRADE 8 BOLT WITH LOCK NUT AND WASHER) 6
12 1200G94 PONY ROD (CLAMP TYPE) 3
13 SEE PAGE VALVE COMPLETE 6
14 SEE PAGE VALVE INSERT 6
15 SEE PAGE VALVE SPRING 6
16 SEE PAGE VALVE SEAT 6
SWTM1700 HYDRAULIC SEAT PULLER KIT COMPLETE (refer to tools section in catalog)
4475-2A SOUTHWEST HP QUICK-CHANGE VALVE COVER ASSEMBLY: (consists of item no. 17-24) 6
17 4475 THREADED FLANGE 6
18 4575 SCREW GLAND 6
19 4675-2A PLUG (COMPLETE WITH VALVE GUIDE; BUSHING; AND SCREWS) 6
20 P129 HP VALVE COVER PLUG SEAL 6
21 4775-2R VALVE GUIDE (complete with bushing #47001) 6
22 4700I VALVE GUIDE INSERT 6
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST 5000 PSI EMSCO F-800 6-3/4” X 9”
ITEM
NO.
PART NO. DESCRIPTION QTY.REQ，D
23 4016-99 VALVE GUIDE SCREW 12
24 4015-2 VALVE COVER STUD (WITH SW PART# HHN1250-7 1-1/4-7 HEAVY HEX NUT) 72
25 4017-63 POWER END STUD (WITH SW PART# HHN1500-8 1-1/2”-8 ( HEAVY HEX NUT) 18
26 4017-51 LINER RETAINER FLANGE SOCKET HEAD CAP SCREW 36
27 6422-4 LINER RETAINER FLANGE 3
28 8422-3 LINER RETAINER PILOT RING 3
29 6522 LINER RETAINER NUT 3
30 4016-97 SUCTION MODULE STUD (WITH SW PART# HHN1500-8 1-1/2”-8 HEAVY HEX NUT) 18
31 4017-81 SUCTION MANIFOLD CAP SCREW (withlock washer) 18
32 8422-51 SUCTION MANIFOLD (front or side inlet) 1
33 568-442 SUCTION MANIFOLD SEAL 3
34 8422-2S SUCTION MODULE (studded only) 3
35 8422-1D DISCHARGE MODULE (studded only) 3
36 8488-5 DOWEL PIN 6
37 8322-52 DISCHARGE MANIFOLD 1
38 568-241 DISCHARGE MANIFOLD SEAL 3
39 4017-46 DISCHARGE MANIFOLD STUD (with sw part# HHN1250-8 1-i/4”-8 heavy hex nut) 12
40 9070008 DOUBLE LIP PONY ROD SEAL 3
41 9070009 SINGLE LIP PONY ROD SEAL 3
42 9060023 SPLASH GUARD
PISTONS LINERS LINER SEALS
SIZE FAIL-SAFE DUAL-DURO® BLACK CAT GRAYLOY® ZIRCONIA RUBBER URETHANE
4″ 76BFS 76BDD 76BBC 1372G06 1372ZIR06 2974-8
4 1/4″ 77BFS 77BDD 77BBC 1372G07 2974-8
4 1/2″ 78BFS 78BDD 78BBC 1372G08 1372ZIR08 2974-8
4 3/4″ 79BFS 79BDD 79BBC 1372G09 2974-8
5″ 81BFS 81BDD 81BBC 1372G1 1372ZIR1 2974-8
5 1/4″ 82BFS 82BDD 82BBC 1372G2 2974-8
5 1/2″ 83BFS 83BDD 83BBC 1372G3 1372ZIR3 2974-8
5 3/4″ 84BFS 84BDD 84BBC 1372G4 2974-8
6″ 85BFS 85BDD 85BBC 1372G5 1372ZIR5 2974-8
6 1/4″ 86BFS 86BDD 86BBC 1372G6 2974-8
6 1/2″ 87BFS 87BDD 87BBC 1372G7 1372ZIR7 2974-8
6 3/4″ 88BFS 88BDD 88BBC N/A 2974-8
VALVES & SEATS (EMSCO F-800)
TYPE VALVE INSERT SPRING STAINLESS SPRING SEAT PULLER HEAD PULLER HEAD STYLE
SOUTHWEST (Full Open) 773-1B N/A SW5710-110L N/A 873-2 SWTM3750 SPLIT JAW
FULL OPEN-ROUGHNECK (Cast N Place Insert) SWND-6V2 N/A SW5710-115 N/A SWND-6S6 SWND-6PH
SWTM27SXN
PANCAKE SPLIT JAWFULL OPEN-ROUGHNECK (High Temp) SWND-6V2HC N/A SW5710-115 N/A SWND-6S6 SWND-6PH
SWTM27SXN
PANCAKE SPLIT JAWFULL OPEN-ROUGHNECK (w/Replaceable Urethane Insert) SWND-6V1 SWND-6I SW5710-115 N/A SWND-6S6 SWND-6PH
SWTM27SXN
PANCAKE SPLIT JAW3 WEB DOUBLE ANGLE O-RING SWR0500118 SWR0515844 SWR0513744 SWR0514790 SWR0504818 SWTM3-6 3 J HOOK
3 WEB (High Temp) SWR0521487 N/A SWR0513744 SWR0514790 SWR0504818 SWTM3-6
3 WEB STANDARD PLATE SWR0505012 SWR0504888 SWR0513937 SWR0514423 SWR0504818 SWTM3-6
4 WEB SWU5B-EH SWUDD-6AB SW5710-111 N/A SW6ADD-B6 SWTM4-6 4 J HOOK
4 WEB (High Temp) SWU5B-EHHT SWUDD-6ABHT SW5710-111 N/A SW6ADD-B6 SWTM4-6
TORQUE SPECIFICATIONS FOR 8422A SOUTHWEST FLUID END ASSEMBLY
FOR EMSCO F-800 5000 P.S.I.
TORQUE TYPE (EXPRESSED IN FOOT-POUNDS)PART NUMBER DESCRIPTION COPPERCOTE MOLY GREASE DRY (NOT RECOMMENDED)
API-4 ESN 4018-97 PISTON ROD NUT ROD CLAMP BOLT NO MORE FORCE THAN ONE MAN ON 3′ WRENCH/CHEATER COMBINATION
150 MAXIMUM
4015-2 VALVE COVER STUD 669 970 1338
4017-63 POWER END STUD 1397 2025 2794
4017-51 LINER RETAINER STUD 908 1363 1817
4016-97 SUCTION MODULE STUD 1397 2025 2794
4017-81 SUCTION MANIFOLD CAPSCREW 303 455 606
4017-46 DISCHARGE MANIFOLD STUD 697 1011 1395