Simpson ALH3228-S Pressure Washer
This document provides detailed parts information, specifications, and diagrams for the Simpson ALH3228-S pressure washer.
Product Overview
The Simpson ALH3228-S is a pressure washer designed for demanding tasks. Key components include:
- Model: ALH3228-S
- Performance: 3200 PSI at 2.8 GPM
- Engine: HONDA GX200
- Pump: CAT PUMP, SVC ASSY PART NO. 7107589 (PUMP, CAT 4DNX25GSI)
The main assembly diagram (Page 2) illustrates the overall layout, featuring the main frame, engine, pump, handle assembly, and wheels.
Specifications
Integral Unloader
The integral unloader provides system pressure regulation and pump protection. It includes a fixed chemical injector.
| Specification | U.S. Measure | Metric Measure |
|---|---|---|
| Flow | 3.0 gpm | (11.4 lpm) |
| PSI Range | 100-2850 psi | (7-196 bar) |
| Inlet Port | 3/4" GHF | (3/4" GHF) |
| Discharge Port | M18 x 1.0 | (M18 x 1.0) |
The integral unloader diagram shows internal components such as the adjusting cap, spring, retainer, stem, piston, O-rings, and valve.
Integral Unloader Parts List
| ITEM | PART NO. | DESCRIPTION | QTY. |
|---|---|---|---|
| 402 | 7103842 | CAP, ADJUSTING | 1 |
| 403 | 7103843 | NUT, LOCK (M18 X 1) | 1 |
| 408 | 7103544 | SPRING, PRESSURE | 1 |
| 410 | 7103845 | RETAINER, SPRING | 1 |
| 412 | N/A | STEM, PISTON | 1 |
| 414 | N/A | BACK-UP RING, PISTON STEM | 1 |
| 415 | N/A | O-RING, PISTON STEM - 70D | 1 |
| 423 | N/A | RETAINER, VALVE | 1 |
| 424 | N/A | O-RING, VALVE RETAINER (OUTER) - 70D | 1 |
| 425 | N/A | RETAINER, PISTON | 1 |
| 426 | N/A | WASHER | 1 |
| 428 | N/A | O-RING, PISTON RETAINER - 80D | 1 |
| 429 | N/A | O-RING, VALVE RETAINER (INNER) - 80D | 1 |
| 435 | N/A | Valve | 1 |
| 436 | 7103846 | SEAT | 1 |
| 437 | N/A | O-RING SEAT-70D | 1 |
| 438 | 7101617 | SEAT | 1 |
| 439 | N/A | O-RING, CHECK VALVE SEAT 70D | 1 |
| 443 | N/A | Valve, CHECK | 1 |
| 444 | 7103048 | SPRING, CHECK VALVE | 1 |
| 446 | 7103851 | O-RING, BODY - 80D | 1 |
| 468 | 7103541 | KIT, O-RING | 1 |
| 469 | 7101616 | INJECTOR, FIXED CHEMICAL | 1 |
| 470 | 7106435 | KIT, REPAIR (412, 414, 415, 423-426, 428, 429, 435-437) | 1 |
| 471 | 7106436 | KIT, REPAIR (438, 439, 443, 444, 446) | 1 |
7332 FIXED CHEMICAL INJECTOR
The fixed chemical injector is integrated into the discharge manifold for chemical application.
| Specification | U.S. Measure | Metric Measure |
|---|---|---|
| Flow | 3.0 gpm | (11.4 lpm) |
| Nozzle Orifice | 2.1 mm | (2.1 mm) |
| Hose Barb | 1/4" | (1/4") |
| Inlet Port | 3/8" NPTM | (3/8" NPTM) |
| Discharge Port | M18 x 1.0 | (M18 x 1.0) |
| Weight | 5.3 oz. | (0.15kg) |
| Dimensions | 2 x 1 x 1.75" | (52 x 25 x 45 mm) |
Chemical Injector Performance Chart
| Orifice Size | Maximum Injecting Pressure | Maximum Chemical Draw | Pressure Drop Across Injector At System Pressure (2850 psi) |
|---|---|---|---|
| 2.1 mm | 250 psi | 37.2 oz/min | 141 psi |
CAUTION: Deduct the pressure drop shown in the performance chart from your desired system pressure to arrive at the maximum high pressure nozzle rating. This is essential to avoid over-pressurizing the pump.
Main Assembly Parts List
This table lists the components for the main pressure washer unit.
| ITEM | PART NO. | DESCRIPTION | QTY. | |
|---|---|---|---|---|
| 1 | 7107250 | BASE FRAME, SVC ASSY W/ LABELS ALUMINUM | 1 | |
| † 1.1 | SUB-FRAME, ALUMINUM HORIZONTAL 11.75" С-С | 1 | ||
| † 1.2 | BRACKET, AXLE HORIZONTAL | 1 | ||
| † 1.3 | AXLE, Ø .625 X 20.10 (11.75" C-C FRAME) | 1 | ||
| † 1.4 | BOLT, 5/16"-18 x 2 1/4" | 4 | ||
| † 1.5 | NUT, 5/16"-18 NYLOCK | 4 | ||
| † 1.6 | WASHER, SADDLE 5/16 X 1.0 X 0.060 | 2 | ||
| † 1.7 | BOLT, 5/16"-18 x 3/4" | 1 | ||
| † 1.8 | TUBE, BASE FRAME 11.75 FORMED AL 2.0 WALL | 1 | ||
| † 1.9 | PLATE, HORIZONTAL BASE FRAME, AL 11.75" C-C | 1 | ||
| † 1.10 | NUT, WHIZ 5/16"-18 | 1 | ||
| 2 | 7108435 | HANDLE, REAR SERVICE ASSEMBLY WITH LABELS | 1 | |
| † 2.1 | HANDLE TUBE, ALUMINUM 11.75" C-C | 1 | ||
| † 2.2 | SCREW, TORX PANHEAD 1/4"-20 x 3/4" | 4 | ||
| 2.3 | 7108142 | DASHBOARD-NOZZLE HOLDER ASSEMBLY | 1 | |
| 2.4 | 7107067 | HOLDER, NOZZLE 2PC RUBBER STRIP | 1 | |
| 2.5 | 7107068 | HOLDER, NOZZLE 3PC RUBBER STRIP | 1 | |
| 3 | 100465 | ENGINE, HONDA BLACK GX200T2QAPW NH1 | 1 | |
| 4 | 7104174 | KEY, SHAFT 3/16" x 3/16" x 1 1/4" | 1 | |
| 5 | 7107589 | CAT PUMP, SVC ASSY | 1 | |
| 5.1 | 7106274 | PUMP, CAT 4DNX25GSI | 1 | |
| † 5.2 | VALVE, THERMAL RELIEF 1/4" NPT(M) | 1 | ||
| † 5.3 | FITTING, INLET GHT(F) X 3/8" NPT(M) | 1 | ||
| † 5.4 | COUPLER, 3/8" QC-F x 3/8" NPTF` | 1 | ||
| 6 | 7105013 | WHEEL, SERVICE KIT | 1 | |
| † 6.1 | POWER WASHER WHEEL, 4" x 10" BLK W/ 5/8" BRG | 2 | ||
| † 6.2 | WASHER, 5/8" FLAT | 2 | ||
| † 6.3 | CLIP, E-TYPE 0.625" x 0.042" | 2 | ||
| 7 | 7107262 | FOOT KIT, SERVICE KIT | 2 | |
| † 7.1 | FOOT, RECESSED RUBBER INSERT | 1 | ||
| † 7.2 | SCREW, PANHEAD M6-1.0 X 25MM PHILLIPS MACHINE | 1 | ||
| 8 | 7103750 | MOUNTING KIT, ENGINE | 1 | |
| 8.1 | BOLT, FLANGE 5/16"-18 x 1 3/4" HHFB | 4 | ||
| † 8.2 | NUT, WHIZ 5/16"-18 | 4 | ||
| 9 | 7107590 | MOUNTING KIT, CAT PUMP | 1 | |
| 9.1 | PLATE, KING BRUTE PUMP MOUNTING | 1 | ||
| † 9.2 | WASHER, SPLIT-LOCK 5/16" RUST RESISTANT | 4 | ||
| † 9.3 | BOLT, 5/16"-24 x 3/4" | 4 | ||
| † 9.4 | WASHER, 3/8" SPLIT-LOCK | 4 | ||
| † 9.5 | BOLT, 3/8"-16 x 1 1/4" | 4 | ||
| 10 | 7103279 | KNOB-BOLT ASSEMBLY (7103538, 7103563) | 2 | |
| † 10.1 | BOLT, SADDLE 5/16"-18 x 2" | 4 | ||
| † 10.2 | KNOB, HANDLE 5/16-18 | 1 | ||
| 11 | 7105186 | HANDLE GRIP, SIMPSON BLACK W/ WHITE LETTERING | 1 | |
| 12 | 7103743 | NOZZLE SET, 3.0 5PC 1/4" OC-M | 1 | |
| 13 | 7108125 | GUN, 4500PSI 3/8QC(M) INLET X M22(F) OEM | 1 | |
| 14 | 7103550 | LANCE, 16" W/ 1/4"QC-F x M22(M) | 1 | |
| 15 | 7105645 | HOSE, CRIMP MFG 5/16 X 25 X3600 2% PT QC | 1 | |
| 16 | 7102207 | SOAP HOSE AND FILTER KIT | 1 | |
| 17 | 7102207 | TOOL, NOZZLE CLEANING, UNIVERSAL | 1 | |
| 19 | 7107725 | MANUAL, OPERATORS (ALHC 3228) | 1 | |
| 20 | 7107325 | BOX, SHIPPING MULTI UNIT PLAIN KRAFT | 1 | |
| * NOT SHOWN | ||||
| * NOT SOLD SEPERATELY |
Plunger Pump Models Parts List
This section details the components for the Plunger Pump Models 4DNX25GSI and 4DNX27GSI, FNA Part No. 7106274.
The exploded view diagram shows the internal workings of the pump, including seals, springs, retainers, and the pump head.
| ITEM | PART NO. | DESCRIPTION | QTY |
|---|---|---|---|
| 5 | 7103819 | SCREW HH SEMS (M6 X 14) | 3 |
| 8 | 7103820 | COVER, BEARING | 1 |
| 10 | 7102614 | O-RING, BEARING COVER 70D | 1 |
| 11 | 7102813 | SEAL, OIL 70D | 1 |
| 15 | 7102624 | BEARING, BALL INNER | 1 |
| 20 | 7103824 | ROD, CONNECTING | 3 |
| 24 | 7106430 | PLUG, OIL CAP | 1 |
| 25 | 7103826 | CRANKSHAFT, 3450 RPM, 3/4" 6.8MM STROKE | 1 |
| 25 | 7105354 | CRANKSHAFT, 3450 RPM, 3/4" 6.3MM STROKE | 1 |
| 27 | 7103828 | BEARING, BALL INNER | 1 |
| 32 | 7102604 | CAP, OIL FILLER WITH O-RING | 1 |
| 33 | 7102617 | O-RING, OIL FILL CAP | 1 |
| 37 | 7103056 | GAUGE, OIL BUBBLE WITH GASKET | 1 |
| 38 | 7102970 | GASKET, FLATOIL GAUGE | 1 |
| 48 | 7102787 | PLUG, DRAIN | 1 |
| 49 | 7102617 | O-RING, DRAIN PLUG | 1 |
| 53 | 7106425 | CRANKCASE | 1 |
| 64 | 7103830 | PIN, CROSSHEAD | 3 |
| 65 | 7103831 | ROD, PLUNGER | 3 |
| 70 | 7102804 | SEAL, OIL CRANKCASE, 70D | 3 |
| 90 | 7103542 | PLUNGER CERAMIC | 3 |
| 98 | 7101703 | WASHER, SEAL | 3 |
| 99 | 7103833 | RETAINER, PLUNGER (M6 X 35) | 3 |
| 100 | 7102925 | RETAINER SEAL | 3 |
| 106 | N/A | SEAL, LPS WITH S-Spq | 3 |
| 120 | 7106427 | CASE, SEAL | 3 |
| 121 | 7102610 | O-RING, SEAL CASE | 3 |
| 125 | 7106428 | SEAL, HPS | 3 |
| 160 | N/A | O-RING, INLET SEAT | 3 |
| 161 | N/A | SEAT, INLET | 3 |
| 162 | 7102945 | BACK-UP-RING, DISCHARGE SEAT | 3 |
| 163 | 7102946 | O-RING, DISCHARGE SEAT, 70D | 3 |
| 164 | N/A | SEAT, DISCHARGE | 3 |
| 166 | N/A | Valve | 6 |
| 167 | 7102923 | SPRING | 6 |
| 168 | 7102812 | RETAINER, SPRING, INLET | 3 |
| 169 | N/A | RETAINER, SPRING, DISCHARGE | 3 |
| 172 | N/A | O-RING, VALVE PLUG - 90D | 3 |
| 174 | 7106429 | PLUG, VALVE WITH O-RING | 3 |
| 185 | 7106430 | HEAD, MANIFOLD WITH INTEGRAL REGULATORY BODY | 1 |
| 188 | 7106431 | SCREW, (M6 X 60) | 6 |
| 197 | 7103839 | ASSY, GH, 3/8" | 1 |
| 249 | 7103840 | ASSY, ADAPTOR MOUNT | 1 |
| 255 | 7103841 | ASSY, BOLT MOUNT | 1 |
| 283 | 7106432 | KIT, OIL DRAIN | 1 |
| 300 | 7106433 | KIT, SEAL (98, 106, 121, 125) | 1 |
| 310 | 7106334 | KIT, VALVE (160-164, 166-169, 172) | 1 |
Company Information
FNA-GROUP
1265 INDUSTRIAL STREET, DECATUR, AR 72722
This document is proprietary and confidential. Reproduction in part or whole without written permission from FNA-GROUP is prohibited.
