SOUTHWEST MUD PUMP PARTS LIST
8476-25ALEW LEWCO_W-1712_7500PSI
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST 7500 P.S.I. LEWCO W-1712 7-1/2” X 12”ITEM
NO.
PART NO. DESCRIPTION QTY.REQ，D
8476-25ALEW FLUID END ASSEMBLY: (CONSISTS OF ITEMS: 3,4，16，17，18，19,20,21，22,23,24,25,26,27,28,29,32,33,34,36) 1 1376YXX LINER (REFER TO GUIDE FOR ORDERING CHART FOR TYPE (G); (Y); AND FOR BORE SIZE (XX) 3
2 2930-XX LINER SEAL (ALSO AVAILABLE in URETHANE – PART# 2930-XXU) 3
3 8476-3 WEARPLATE 3
4 2988 WEARPLATE & MODULE SEAL (also available in urethane – part# 2988U) 9
5 XX-BYY PISTON (REFER TO GUIDE FOR ORDERING CHART FOR SIZE (XX) AND FOR TYPE (YY) 3
6 568-225 PISTON O-RING 3
7 6204-25 PISTON ROD (WITH ELASTIC STOP NUT) 3
8 API-4ESN PISTON ROD ELASTIC STOP NUT 3
9 SUB ROD 3
10 6204CWY ROD CLAMP (consist of 10a，10b，10C) 6
10A 1200H30 HOSE (1/2” X 30” WITH 1/2″ MALE X 3/8” MALE CONNECTIONS 3
10B 1200140 PIPE (3/8” X 14” GALVANIZED AND THREADED ON ONE END) 3
10C 4019-57 ROD CLAMP BOLT 12
11 6200G04 PONY ROD 3
12 SEE PAGE VALVE 6
13 SEE PAGE VALVE INSERT (IF required) 6
14 SEE PAGE VALVE SPRING 6
15 SEE PAGE VALVE SEAT 6
SWTM1700 HYDRAULIC SEAT PULLER KIT COMPLETE (refer to tools section in catalog) 1
16 4488-25 VALVE COVER FLANGE 6
17 4588-25 SCREW GLAND 6
18 4690-25A PLUG (COMPLETE WITH VALVE GUIDE; BUSHING; AND SCREWS) INCLUDES ITEMS 20, 21，& 22 6
19 P115U HP VALVE COVER PLUG SEAL 6
20 4788-25R VALVE GUIDE (complete with bushing #47001) 6
21 4700I VALVE GUIDE BUSHING (ALSO AVAILABLE IN URETHANE – PART# 2988U) 6
22 4018-18 VALVE GUIDE SCREW 12
23 4015-2 VALVE COVER STUD (WITH SW PART# HHN1500-6 1-%”-6 HEAVY HEX NUT) 72
24 4016-17 POWER END STUD (WITH SW PART# HHN1375-6 1-3/8”-6 HEAVY HEX NUT) 30
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST 7500 P.S.I. LEWCO W-1712 7-1/2” X 12”
ITEM
NO.
PART NO. DESCRIPTION QTY.REQ，D
25 6476 LINER RETAINER FLANGE 3
26 4017-65 LINER RETAINER SOCKET HEAD CAP SCREW 18
27 6576 LINER RETAINER NUT 3
28 4019-54 SUCTION MODULE STUD (WITH SW PART# HHN1750-8 1-3/4”-8” HEAVY HEX NUT) 18
29 4018-19 SUCTION MANIFOLD CAP SCREW 24
30 8576 SUCTION MANIFOLD 1
31 AJO419R SUCTION MANIFOLD SEAL 3
32 8476-26 SUCTION MODULE 3
33 8476-27 DISCHARGE MODULE 3
34 8488-5 DOWEL PIN 6
35 8376-25MOD DISCHARGE MANIFOLD 1
36 4019-60 DISCHARGE MANIFOLD STUD (with sw part# HHN1250-7 1 %-7 heavy hex nut) 18
SOUTHWEST 7500 PSI LEWCO W-1712 GUIDE TO ORDERING
PISTONS LINERS LINER GASKETS
SIZE FAIL-SAFE DUAL-DURO® GRAYLOY® ZIRCONIA RUBBER URETHANE
4″ 76BFS 76BDD 1376G06 2930-06 2930-06U
4 1/4″ 77BFS 77BDD 1376G07 2930-07 2930-07U
4 1/2″ 78BFS 78BDD 1376G08 1376ZIR08 2930-08 2930-08U
4 3/4″ 79BFS 79BDD 1376G09 1376ZIR09 2930-09 2930-09U
5″ 81BFS 81BDD 1376G1 1376ZIR1 2930-1 2930-1U
5 1/4″ 82BFS 82BDD 1376G2 2930-2 2930-2U
5 1/2″ 83BFS 83BDD 1376G3 1376ZIR3 2930-3 2930-3U
5 3/4″ 84BFS 84BDD 1376G4 1376ZIR4 2930-4 2930-4U
6″ 85BFS 85BDD 1376G5 1376ZIR5 2930-5 2930-5U
6 1/4″ 86BFS 86BDD 1376G6 1376ZIR6 2930-6 2930-6U
6 1/2″ 87BFS 87BDD 1376G7 1376ZIR7 2930-7 2930-7U
6 3/4″ 88BFS 88BDD 1376G8 2930-8 2930-8U
7″ 89BFS 89BDD 1376G9 1376ZIR9 2930-9 2930-9U
VALVES & SEATS (LEWCO W-1712)
PULLER HEAD
TYPE VALVE INSERT SPRING STAINLESS SPRING SEAT PULLER HEAD STYLE
SOUTHWEST (Full Open) 773-1B N/A SW5710-110L N/A 873-1 SWTM3750 SPLIT JAW
FULL OPEN-ROUGHNECK (W/Bonded Valve Insert) SWND-6V2 N/A SW5710-115L N/A SWND-6S4 SWTM27SXN
SWND-6PH
SPLIT JAW PANCAKEFULL OPEN-ROUGHNECK
(High Temp Bonded Insert)
SWND-6V2HC N/A SW5710-115L N/A SWND-6S4 SWTM27SXNSWND-6PH
SPLIT JAW PANCAKEFULL OPEN-ROUGHNECK (w/Replaceable Urethane Insert) SWND-6V1 SWND-6I SW5710-115L N/A SWND-6S4 SWTM27SXN
SWND-6PH
SPLIT JAWPANCAKE
3 WEB DOUBLE ANGLE O-RING SWR0500119 SWR0515845 SWR0513744 SWR0514790 SWR0512436 SWTM3-7D
3 WEB (High Temp) SWR0520586 SWR0520585 SWR513744 SWR0514790 SWR0512436 SWTM3-7D 3 J HOOK
3 WEB STANDARD PLATE SWR0505038 SWR0504890 SWR0515575 SWR015576 SWR0512436 SWTM3-7D
4 WEB SWU5B-EH SWUDD-6AB SW5710-115 N/A SW6ADD-B4 SWTM4-6 4 J HOOK
4 WEB (High Temp) SWU5B-EHHT SWUDD-6ABHT SW5710-115 N/A SW6ADD-B4 SWTM4-6
ITEM NO. PART NUMBER DESCRIPTION QTY.
1 8376-26 DISCHARGE CROSS FOR 7500 PSI SWFE 1
2 8290-26RD STRAINER 1
3 4019-56 STUD 48
4 HHN1125-7 1-1/8-7 HEAVY HEX NUT 48
5 BX-155 4-1/16″ RING JOINT GASKET 1
6 BX-169 5-1/8″ RING JOINT SEAL 4
7 10000-5BFLANGE API 6A 10000# TYPE 6BX 5-1/8 BLIND FLANGE 1
TORQUE SPECIFICATIONS FOR 8476-25ALEW SOUTHWEST FLUID END ASSEMBLY
FOR LEWCO W-1712 7500 P.S.I.
^^BTORQUE TYPE (EXPRESSED IN FOOT-POUNDS)PART NUMBER DESCRIPTION COPPERCOTE MOLY GREASE DRY (NOT RECOMMENDED)
API-4ESN
4019-57
PISTON ROD NUT ROD CLAMP BOLT NO MORE FORCE THAN ONE MAN ON 3′ WRENCH/CHEATER COMBINATION150 MAXIMUM
4018-18 VALVE GUIDE SCREW 53 80 107
4015-2 VALVE COVER STUD 669 970 1338
4016-17 POWER END STUD 877 1272 1754
4017-65 LINER RETAINER STUD 644 966 1288
4019-54 SUCTION MODULE STUD 2275 3299 4550
4018-19 SUCTION MANIFOLD CAP SCREW 215 322 430
4019-60 DISCHARGE MANIFOLD STUD 757 1098 1514