Southwest FB1600 pump fluid end
| 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, 34,35,36,39) | 3 | |
| 1 | 6390YXX | LINER (REFER TO GUIDE TO ORDERING CHART ON PG. 6 FOR TYPE (Y) AND FOR SIZE (XX) | 3 |
| 2 | AJO-428S | LINER SEAL (REFER TO GUIDE TO ORDERING CHART ON PG. 6 FOR TYPE AND SIZE (XX) | 3 |
| 3 | 8490-3 | LINER WEARPLATE | 3 |
| 4 | 2988 | WEARPLATE AND MODULE SEAL | 6 |
| 5 | XX-BYY | PISTON REFER TO GUIDE TO ORDERING CHART ON PG. 6 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 SEAL | 3 |
| 7 | 6278-25 | PISTON ROD (WITH ELASTIC STOP NUT) *TORQUE TO 1000 FT.LBS | 3 |
| 8 | API-4 ESN | PISTON ROD NUT | 3 |
| 9 | 1290-2 | PISTON ROD CONNECTING STUD | 3 |
| 10 | 6284-1 | SUB ROD | 3 |
| 11 | 6274-CWY | ROD CLAMP (WITH WATER JACKET) | 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) *TORQUE TO 150 FT.LBS | 6 |
| 12 | 1200G74 | PONY ROD | 3 |
| 13 | SEE PAGE 6 | VALVE COMPLETE | 6 |
| 14 | SEE PAGE 6 | VALVE INSERT | 6 |
| 15 | SEE PAGE 6 | VALVE SPRING | 6 |
| 16 | SEE PAGE 6 | SEAT | 6 |
| HP-1700 | 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 | P-129 | HP VALVE COVER PLUG SEAL | 6 |
| 21 | 4775-2R | VALVE GUIDE (complete with bushing #4700-I) | 6 |
| 22 | 4700-I | VALVE GUIDE BUSHING | 6 |
| 23 | 4016-99 | VALVE GUIDE SCREW | 12 |
| 24 | 4015-2 | VALVE COVER STUD (WITH 1-1/4:-7” HEAVY HEX NUT) * TORQUE TO 1350 FT.LBS | 72 |
| 25 | 4016-9 | POWER END STUD (WITH 1-1/2-”8 HEAVY HEX NUT) * TORQUE TO 2775 FT.LBS | 18 |
| 26 | 4017-36 | LINER RETAINER FLANGE SOCKET HEAD CAP SCREW *TORQUE TO 2600 FT.LBS | 24 |
| 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 1-1/2”-8 HEAVY HEX NUT) *TORQUE TO 2775 FT.LBS | 18 |
| 31 | 4018-19 | SUCTION MANIFOLD CAP SCREW (WITH LOCK WASHER) *TORQUE TO 500 FT.LBS | 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 1-1/4”-8 HEAVY HEX NUT) *TORQUE TO 1350 FT.LBS | 12 |
| THE FOLLOWING PARTS ARE USED WITH THE SOUTHWES T FB-1600 / FB-1300 HYDRAULIC LINER RETAINER | |||
| 40 | 1388XX | LINER | 3 |
| 41 | 2974XX | LINER SEAL | 3 |
| 42 | 8490-20 | LINER WEARPLATE / USE 2988 WEARPLATE GASKET SAME AS ORIGINAL | 3 |
| 43 | 8488-7 | SET SCREW | 12 |
| 44 | 6588-22-2 | LINER NUT | 3 |
| 45 | 6590-20A | HYDRAULIC LINER RETAINER FOR THE FB-1600 / FB-1300 |
| SIZE | FAIL-SAFE® | DUAL-DURO® | GRAYLOY® | ZIRCONIA | RUBBER | URETHANE |
| 4″ | 76-BFS | 76-BDD | 6390G-06 | 6390ZIR-06 | AJO-428S | AJO-428-SU |
| 4 1/2″ | 78-BFS | 78-BDD | 6390G-08 | 6390ZIR-08 | AJO-428S | AJO-428-SU |
| 5″ | 81-BFS | 81-BDD | 6390G-1 | 6390ZIR-1 | AJO-428S | AJO-428-SU |
| 5 1/2″ | 83-BFS | 83-BDD | 6390G-3 | 6390ZIR-3 | AJO-428S | AJO-428-SU |
| 6″ | 85-BFS | 85-BDD | 6390G-5 | 6390ZIR-5 | AJO-428S | AJO-428-SU |
| 6 1/2″ | 87-BFS | 87-BDD | 6390G-7 | 6390ZIR-7 | AJO-428S | AJO-428-SU |
| 7″ | 89-BFS | 89-BDD | 6390G-9 | 6390ZIR-9 | AJO-428S | AJO-428-SU |
WHEN USING THE SOUTHWEST
HYDRAULIC LINER RETAINER USE THE CHART BELOW
| SIZE | FAIL-SAFE® | DUAL-DURO® | GRAYLOY® | ZIRCONIA | RUBBER | URETHANE |
| 4″ | 76-BFS | 76-BDD | 1388G-06 | 1388ZIR-06 | 2974-06 | 2974-06U |
| 4 1/2″ | 78-BFS | 78-BDD | 1388G-08 | 1388ZIR-08 | 2974-08 | 2974-O8U |
| 5″ | 81-BFS | 81-BDD | 1388G-1 | 1388ZIR-1 | 2974-1 | 2974-1U |
| 5 1/2″ | 83-BFS | 83-BDD | 1388G-3 | 1388ZIR-3 | 2974-3 | 2974-3U |
| 6″ | 85-BFS | 85-BDD | 1388G-5 | 1388ZIR-5 | 2974-5 | 2974-5U |
| 6 1/2″ | 87-BFS | 87-BDD | 1388G-7 | 1388ZIR-7 | 2974-7 | 2974-7U |
| 7″ | 89-BFS | 89-BDD | 1388G-9 | 1388ZIR-9 | 2974-9 | 2974-9U |
| TYPE VALVE INSERT SPRING STAINLESS SPRING SEAT PULLER HEAD | ||||||
| FULL OPENING | 777-7 | 977 | 951 | N/A | 877-7 | SWTM-4250 |
| *DBL-ANGLE O-RING | SWR-0500110 | SWR-0514275 | SWR-0513989 | SWR-0514785 | SWR-0509309 | SWTM-3-7T |
| *STANDARD PLATE | SWR-0505062 | SWR-0504893 | SWR-0513988 | SWR-0514202 | SWR-0509309 | SWTM-3-7T |
| * CENTER GUIDED VALVES AND SEATS |