RK-Service Manual
Contents
1. 820 47 48 45 59 F 2 502 P i Repair Kits Water Seals Valves Pistons Oil Seals Kit 1857 018 Kit2864 Kit 2546 018 855 Nvesion Kit 1887 020 Kit 2547 020 856 Everon Kit 1888 222 Kit 2759 222 Pos Qty Pos Qty Pos Qty Pos Qty 11 3 3 6 22 3 15 3 13 3 4 6 23 3 18 2 14 3 24 3 30 1 25 3 35 NVesion 1 26 3 59 EVversion 1 53 60 Even 1 Support Rings Kit 1829 018 Kit 1815 020 Kit 1816 222 Pos Qty 10 3 Operating Instructions and Parts Manual Pos mo OO ND OW 34 35 Code 960160 960090 960850 1380740 960090T 960850T 1389051 880830 880581 1380690 820510 1260430 1260250 1140450 960110 840300 840320 880320 840290 840330 1380090 1380150 1380160 961240 880330 840280 840340 1383130 850370 1380050 640030 2280240 1382770 880130 962010 962000 1380940 1380930 1382360 1380950 600180 1380920 1380060 1383050 1383020 1780510 1789010 1343510 2280100 2280080 2280070 2280060 1380520 180340 Description Qty O Ring 6 Brass valve cap 478 in lbs 6 55 valve cap 478 in lbs 6 NP valve cap 478 in lbs 6 Brass valve cap 1 4 threaded 1 SS valve cap 1 4 threaded 1 Complete valve 6 O Ring 6 Brass plug 1 4G 2 NP plug 1 4G 2 O Ring 2 Snap ring 1 Oil sight glass 1 O Ring 1 Support ring ODe3 Support ring Support ring High pressure packing 3 Hi2. 09 09 Pos Code 1980740 7 1981180 37 180101 1 820361 960870 1 1381071 1381070 40 820150 41 1380320 42 621170 43 1380220 2280140 2280130 2280590 2280600 45 1597 46 180030 47 1381850 48 820440 49 1080401 1389232 1389228 1389224 AR64516 RK Series Pumps Description Qty 3 8 G plug Brass oom 1 3 8 G plug NP v 1 O Ring 1 Plug 1 4G Brass oom 1 Plug 1 4G NP v 1 Pump head oom 1 Pump head v x 1 Head bolt 217 in lbs 8 Bearing 1 Oil seal 1 O Ring 1 Hollow shaft 1 1 Hollow shaft 1 omx 1 Hollow shaft 1 v 1 Hollow shaft 1 1 Gas engine flange 1 Bolt 4 Washer 8 Set screw 1 Back up ring 3 Complete pump head 1 Complete pump head m 1 Complete pump head v 1 Cil Specially formulated oil 1602 1 AMERICA Operating Instructions and Parts Manual RK Series Pumps Plunger Pumps Torque Specifications lt lt Oil Manifold Piston Valve Connecting Capacity GELS Nut Cap Rods 15 5 217 18 106 8 8 89 7 5 217 18 478 40 WARRANTY Annovi Reverberi A R Cam Shaft Plunger Pumps are warranted for a period of five years and Axial Radial Pumps are warranted for a period of one year to the original purchaser Electric Pressure Washers are warranted for a period of one year to the original purchaser This is from the date shipped from factory or U S Warehouse AR ArrowLine and GF accessories are warrant
3. Cages Durable strength and long life Poppets Seat and Spring 303 and 400 series stainless steel Packing and Plungers High Pressure Packing V style D 1 Buna N cotton duct weave base strong and tightens under load Low Pressure Seals U cup double lip Buna N for a good positive seat Support and Guides Machined brass 1 piece construction to assure proper plunger alignment and to maximize packing and seal life Plungers Are a special aluminum oxide blend solid ceramic for long life strong durability and more resilient Drive End Bearings Oversized tapered roller bearing for maximum life and load disbursement Bearing Support Precision die cast and machined to assure concentricity and alignment nort AMERICA Operating Instructions and Parts Manual RK Series Pumps Plunger Pumps Special Features continued Crankcase Precision die cast large cooling fins and anodized for maximum heat dissipation Rear Cover Precision die cast O ring sealed and bayonet style sight glass for positive sealing and locking no threads to loosen Plunger Rods Stainless steel construction for strength no plating to scrape off back up and O ring plunger sealing system Rod Pins Precision ground and hardened steel oversized for load disbursement Connecting Rods One piece special allow aluminum 3XU51 3XU60 and 3XU68 or bronze 3XU52 3XU54 3XU61and 3XU62 for higher pressure oversized fo
4. Description Qty O Ring 6 Brass valve 478 in lbs 6 SS valve cap 478 in lbs 6 NP valve cap 478in lbs 6 Brass valve cap 1 4 threaded 1 SS valve cap 1 4 threaded 1 Complete valve 6 O Ring 6 Brass plug 1 4G 2 NP plug 1 4G 2 O Ring 2 onap ring 1 Oil sight glass 1 O Ring 1 Support ring Support ring v 3 Support ring 3 High pressure packing OD e m High pressure packing High pressure packing 3 Piston guide Piston guide Y 3 Piston guide 3 O Ring 3 Low pressure seal Low pressure seal Low pressure seal Oil seal 3 Bolt 217 in Ibs 8 Closed bearing sup 1 O Ring 2 Bearing 1 Pump housing 1 Oil 1 Nut 106 in lbs Washer 3 Piston Oem 3 Piston Piston Spacer 3 O Ring 3 Guiding piston 3 Piston pin 3 Aluminum con rod lt 3000 51 3 Bronze con rod 3000 PSI 3 Pos Code 30 1080401 31 1381850 32 1780510 39 1789010 34 1343510 2280100 2280080 2280070 2280060 36 1380520 37 180340 1380120 1380130 1380530 1382810 39 1380040 40 740290 41 1980740 42 1260470 43 1380141 43b 1837 43 2633 43d 2633H l 1980740 1981180 45 180101 820361 960870 1381071 1381070 1380680 48 820150 49 1380380 1380300 51 1321670 1380330 Y 1380350 53 1380180 54 620610 55 840370 1389270 1389272 1389271 1389212 1389220 AR64516 RK Series Pumps Description Qty Back up ring Washer O Ring Complete cover 1 Bolt 89 in
5. ae 24 pick See Figure 25 pu y Assembly L 4 A 1 Install the plastic head ring into the head the flat side is on the bottom See Figure 26 Install the high pressure seal Place the seal so the open V portion is toward the head ring You need Figure 25 to place the seal at an angle and pull and push to work the seal into position with your fingers do not use and tools you may damage the 4 Figure 27 seal Make sure the seal is totally UT seated against the head ring T See Figure 27 amp 1 F 28 Installing the low pressure seal You want the open side of the seal to be pointed toward the E water side of the head toward the high pressure seal and the P p iy Figure 28 Figure 29 flat side toward the drive end of the pump Place the seal into the gland at an angle with your finger push the exposed side of the seal towards the center and work the seal See Figure 29 30 amp 31 into position After the seal is in the gland you can work it into it proper position Figure 30 Install the retainer O vo ring See Figure 32 7 i Operating Instructions and Parts Manual RK Series Pumps Plunger Pumps Service Pumps continued 5 Squarely seat the retainer into the head and push with even pressure until it RC snaps into position See Figure 33 Figure 33 Servicing the Plungers If the plunger
6. valves are located on the top row of the pump head Tools required 24mm socket ratchet needle nose pliers mechanics pick and torque wrench 3 Valve Removal 1 Remove the valve 2 Inspect the valve cap O ring for any damage if necessary See Figure 10 3 Use the needle nose pliers to remove the valve See Figure 11 Figure 10 ae Figure 11 AMERICA Operating Instructions and Parts Manual RK Series Pumps Plunger Pumps Service Pumps continued replacement you will first need to he head of th 4 Usea small probe to E remove the head of the pump move the poppet up and down to assure that the valve is Tools required 6mm hex socket ratchet 2 long screwdrivers reversible pliers mechanics pick and functioning properly torque wrench Disassembly 1 and that no debris is stuck in the valve See Figure 12 Figure 12 5 Using the mechanics pick remove the valve seat O ring and inspect for any V damage replace if Figure 13 necessary See Figure 13 Valve Assembly 1 Install the valve seat O ring squarely into the bottom of the we mit manifold See Figure 14 Figure 14 2 Insert the valve assembly squarely into the port pushing it into the O ring See Figure 15 3 Install the valve cap and torque to the proper specification See Figure 16 See parts breakdown Servicing the
7. 1 W x 5 8 H M ast 1 E4 zc ex 91nul N suo eo vCVL v6tl EEL ZEEL 0061 0671 6671 66116911 9011 8801 8701 ZOOL v96 616 7 78 708 694 ZVZ 069 01 96 81 698 1161 1871 0671 7071 9811 76118111 ESOL 9701 8001 896 06 788 668 16 S89 6029 5261 871 6671 0671 0071 9611 SELL 9011 OL GEOL 7001 496 066 068 678 508 694 OLZ 69 009 071 0671 50712 0811 SLL ZZLL OOLL 8601 901 vL OL 786 006 88 768 9 8 BLL 86 969 169 709 OSS OL SLLL 9601 7 01 6701 SZOL 00 01 296 676 706 vog 998 LEB 908 SLL cvi LOL 129 769 764 876 006 001 ZOOL 1701 6 02 966 6 066 7 6 106 9 8 0658 E78 lt 6 994 96 SOL 7 9 69 109 795 005 SLY lt 6 9001 986 596 7 6 706 006 998 S58 068 508 6 4 ESL OCL 169 199 969 OO 69S ZES 6 OSY 06 066 166 716 168 1 8 068 8 8 908 8 09 96 LIZ S89 869 069 109 OLS 865 EOS 997 lt 8 v68 9 8 868 668 008 008 69 68 4 86 9 4 69 699 Sp9 029 99S LES 906 ELT 8EY 00 0 8 6 8 28 08 8 69L OSL 17 7 717 169 179 069 9 S09 1865 965 066 EOS blr liv SLE S esl 9L 16 YEL LVL OOL EL9 99 lt 9 979 909 986 v9S 6LS 66 OLY Eb VIV EVE OSE 0 TL ZVL 169 789 999 069 509 19 666 186 696 YES 606 787 097 9EY ilv SBE OSE SZE 9 179 769 9 609 6 9 009 ZES 696 ESS LES 006 706 8 SIV SUV 707 GLE SSE 606 ODE 079 S9 709 066 ZES 796 OSS 606 CCS LOS 76 9 7 097 Sry OCU 807 686 696 BYE SZE LOE SZZ S S 666 8 6 9 S8 06 7 6 006 18 vit 197 Lob EEV 817 Ov 86 I
8. Ibs 6 Crankshaft 1 Crankshaft 01 Crankshaft 1 Crankshaft v 1 Oil seal 0 10mm shim 0 20mm shim 0 25mm shim 0 05mm shim Open bearing sup O Ring 3 8 G plug Bolt Mounting Rail 1 1 4 Rail Kit 5 8 Rail Kit 2 5 8 Rail Kit 3 8 G plug 3 8 G plug NP O Ring Plug 1 2G Plug 1 2G NP Pump head 218 Pump head 018 NP Pump head 220 222 Screw 217 in lbs El Motor flange Pump coupling Bushing Motor coupling 1 1 8 F14 Motor coupling 1 3 8 15 Grub screw Screw Bearing Complete pump head 718 Complete pump head 218 Complete pump head 218 Complete pump head 220 Complete pump head 222 Cil C2 d 217 in lbs UU Uu Specially formulated oil 1602 1 7 AMERICA Operating Instructions and Parts Manual 1750 seu p Legend 18 18 20 22 For O For O For v For RKA3 5G25 RKA4G20 RKA5 5G13 RKA6 5G20H RKA3 5G30H RKA4G30 RKA5 5G20H RKA3 5G40H RKA4G30H RKA4G36H RKA4G40H For For M RKA4 5G17 RKA7G20H RKA4 5G25 Special Parts Code Description Qty 2809 Viton water seals 218 1 2810 Viton water seals 220 1 2811 Viton water seals 222 1 2819 Water seal in 180 F 218 1 2820 Water seal in 180 F 220 1 RK Series Pumps je E 893 N VERSION NI x 1 16 pi ha F15 M VERSION A T mm VA Bi 18 B2 4l
9. Packings Seals To access the water seals for inspection or First remove the eight 6mm head bolts See Figure 17 Place the screwdrivers as Figure 17 shown between the head and crankcase of the pump lifting f1 gt A one up and the uw other down The head should start to lift off of the plungers See Figure 18 Figure 18 When you remove the head you may notice that some of thes 7 water seals have stayed on the Figure 19 plungers and some in the head See Figure 19 To remove the seals from the plungers simple turn the assemblies and pull off If the seal assemblies the head ue the reversible pliers to grab the seal retainer on the inside bore ti Figure 20 NOTE Use a rag so you do not mar the piston guide area twist the retainer in either direction Operating Instructions and Parts Manual RK Series Pumps Plunger Pumps Service Pumps continued NOTE This is done b to free the retainer O ring which is stuck to the manifold and lift out See Figure 7 20 amp 21 With your fingers pull the high pressure seal and head ring out of the head See Figure 22 The low pressure seal is located in the brass seal retainer Using the mechanics pick go in between the seal and retainer twist and pull the seal will come out of the gland See Figure 23 amp 24 Remove the seal retainer O ring with the dios dis
10. Plunger Pumps General Safety Information continued Maximum water temperature is 140 F All positive displacement plunger pumps must have a safety relief valve installed on the discharge side of the pump this valve could be either an unloader or regulator and must be of adequate flow and pressure for the pump Adequate protective guards must cover all moving parts Perform routine maintenance on the pump and components Use only components that are rated for the flow and pressure of the pump this would include hose fittings safety valves spray guns etc Electric Drive Pumps Your power supply must conform to the system requirements The motor must be grounded Use GFCI plugs and receivers Do not handle the pump motor with wet hands a Only use power cords that are in good condition JN Never pull the unit by the power cord Never spray or clean the unit with water Failure to follow these warnings may result in personal injury or damage to property Special Features Wet End Manifold Forged Brass Strength and no porosity long life higher hydrostatic pressures safety performance Inlet and Discharge Ports Heavy bosses for added strength Offset Discharge Ports High efficiency smooth flow Bolts Eight bolts 8mm grade 8 8 Valves Valve Caps Stainless steel on pumps rated at 3200 PSI and higher better hydrostatic loads Machined brass on pumps 3200 PSI Ultra Form
11. of the rod Install the plunger by am pushing straight ad down and twisting slightly in either direction See Figure 41 NOTE Be sure that the back up ring is fully seated Make sure you fully seat the plunger Figure 39 Figure 40 Figure 41 Operating Instructions and Parts Manual RK Series Pumps Plunger Pumps Oil Change Service Pumps continued 4 Install the small copper washer on 4 top of the plunger and place a small quantity of thread sealant in the thread Install the plunger nut and tighten to the required torque See Figure 42 amp 43 See parts breakdown Pump head to drive end Installation d 1 Turn the crankshaft to align the plungers as 1 shown See Figure 44 2 Place the head evenly onto the plungers and push it until it makes contact with the drive end of the pump See Figure 4 45 E E E ae i Figure 43 3 Torque the head bolt as shown in the tightening sequence diagram See Figure 46 amp 47 See parts breakdown E Figure 46 Change oil after first 50 hours of use Then every 500 hours Refer to parts breakdown for oil type nona AMERICA Operating Instructions and Parts Manual Troubleshooting Symptom Oil Leak Between Crankcase and Pumping Section Frequent or Premature Failure of the Packing Pump Runs but Produces no Flow Pump Fails to Prime Pump Looses Prime Chattering Noise Pressure Fl
12. 1 RKV3 5G40H RKV4G36 206 3 43 1 RKV4G40H 49 3 Support Rings Special Parts Cod ipti Qt Kit 1829 ode escription y 2809 Viton water seals 018 1 Pos Qty 2819 Water seal in 180 F 218 1 10 3 Operating Instructions and Parts Manual Pos Code 960160 960090 960850 960090T 960850T 889052 1389051 880830 880581 1380690 820510 1260430 1260250 1140450 960110 880320 1380090 961240 880330 1383130 850370 1380050 640030 2280240 1382770 880130 962010 962000 1380940 1380950 600180 1380920 1380060 1383050 1383020 1780510 1789010 1343510 1380120 1380130 1380530 1382810 740290 1980740 Description Qty O Ring 6 Valve cap Brass 478 OO 6 Valve cap ss 478 inibs v MA 6 Brass valve cap 1 4 threaded 1 SS valve cap 1 4 threaded 1 Complete valve oom 6 Complete valve 6 O Ring Plug 1 4G Brass Plug 1 4G NP O Ring Snap ring Oil sight glass O Ring Support ring High pressure packing Piston guide O Ring Gasket Oil seal Bolt 217 in lbs Closed bearing sup O Ring Bearing Pump housing Oil cap Nut 106 in Ibs Washer Piston Slinger O Ring Guiding piston Piston pin Aluminum con rod Bronze con rod O Ring Complete cover Bolt 0 10mm shim 0 20mm shim 0 25mm shim 0 05mm shim O Ring 3 8 G plug 89 in Ib 1 09 00
13. E Version 1 1 8 RK13 20HN 3 43 2900 Model PSI RK14 16N 3 7 2300 RKA3 5G30E F17 3 5 3000 RK15 15N 3 96 2200 RKA3 5G30HE F17 3 5 3000 RK15 20HN 3 96 2900 5 40 7 35 4000 15 28 3 96 4000 RKA4G20E F17 4 0 2000 RK18 20HN 4 75 2900 RKA4G30E F17 4 0 3000 RK18 28H 4 75 4000 RKA4G30HE F17 4 0 3000 RK21 20HN 5 595 2900 RKA5 5G13E F17 5 5 1300 RKA 1750 rpm N Version RKA6 5G20HE F17 6 6 2000 Model GPM PSI RKA7G20HE F17 7 1 2000 RKA3 5G25N 3 5 2500 RKV 3400 rpm D Version 1 RKA3 5G30N 3 5 3000 Model GPM Max PSI RKA3 5G40HN 3 5 4000 RKV3 5G30AD F24 3 5 3000 RKA4G20N 4 0 2000 RKV3 5G35D F24 3 5 3500 RKA4G30N 4 0 3000 RKV3 5G40HD F24 3 5 4000 RKA4G30HN 4 0 3000 RKV4G30AD F24 4 0 3000 RKA4G35N 4 0 3500 RKV4G32D F24 4 0 3200 RKA4G40HN 4 0 4000 RKV4G35HD F24 4 0 3500 RKA4 5G17N 4 5 1700 RKV4G40HD F24 4 0 4000 RKA4 5G25HN 2500 RKV4 5G22D F24 4 5 2200 RKA4 5G35HN 4 5 3500 RKV4 5G40HD F24 4 5 4000 RKA5 5G13N 2 9 1300 RKV5G40HD F24 5 0 4000 RKA5 5G20HN 2 9 2000 RKV5 5G40HD F24 5 5 4000 RKA5 5G30HN 5 5 3000 annovr REVERGERI Form RK High Performance Pumps Operating Instructions and Parts Manual RK Series Pumps Plunger Pumps Overall Dimension in inches RK N 9 9 L x 7 6 W x 4 9 H mam pL II Ss m Overall Dimension in inches RKA F17 9 7 L x 9 1 W x 5 8 H 1 42 a4 25 la T Overall Dimension in inches Hi 00 9 7 L x 9
14. LE YSE SEE OLE 967 v C OSZ 0 5 606 6b Sb 7 9 197 069 EEY CUV Slt 707 OBE OLE EFE 6VE VEE BLE ZOE 587 997 977 Scc 8 V 60 ozv 017 00 SBE 6 6 696 BSE OVE SEE 706 OLE 67 80 897 ESZ LET 6 7 007 Ov IGE EVE GLE 19 GSE 066 LEE ZEE ETE EOE 67 780 1 7 097 VC SEC 177 OC 761 SLL eye 966 6 6 IPE EEE SZE ELE 806 006 LEZ 187 7 7 797 767 067 817 907 761 BLL EOL SCE GEE 666 706 SLE LOE 006 680 580 LLZ 897 097 167 777 ZEZ 707 747 107 061 LLL 91 061 OE 0 106 567 887 780 SLZ v9c 197 YSZ 9vc 867 067 ZZZ 61 7 VOT VEL vel PLL EPL ISL BEL S C OSZ vic 897 797 967 067 OWZ LEZ OEZ 977 7 7 607 ZOZ VOL 581 LLL 891 861 SVL LEL SZI ZSZ 970 107 9670 LEZ SCC 9 22 617 ZOZ 107 561 881 181 YEL 91 681 16 cvi EZL EVL 6277 Orc 6122 viz 017 507 007 461 061 781 6 1 ELL LOL 191 SSL SVL ivi YEL 901 SLL OL 001 07 ISd OOvE ISd 010743 54 18 008 009Z 15 15 0071 0021 ISd OOOL 9 22ON JY 31Z2ZON 45 enue A sed pue suomnonasu Operating Instructions and Parts Manual RK Series Pumps Plunger Pumps Nozzles Impact Force Ibs 0526 x GPM x VPSI Nozzle 4 4000 Y PSI GPM Nozzle PSI 4000 PSI GPM Nozzle x 4000 Horse Power GPM x PSI Hydraulic HP 1714 GPM x PSI EBHP 1457 EBHP x 1457 GPM PSI EBHP x 1457 PSI GPM HP loss due to altitude 3 per 1000 FT above sea level Pump Sp
15. Operating Instructions and Parts Manual RK Series Pumps Plunger Pumps Please read and save these instructions Read carefully before attempting to assemble install operate or maintain the product described Protect yourself and others by observing all safety information Failure to comply with instructions could result in personal injury and or property damage Retain instructions for future reference Description Plunger Pumps are designed for a wide variety of high pressure washing applications They are constructed of die cast bodies and feature a forged brass head Internal components include special thick solid ceramic plungers for long life and durability Precision cast cooling fins are anodized for maximum heat dissipation Oversized tapered roller bearings and the precision supports assure proper eat 2 shaft alignment and maximum life Valve cages of special F designed Ultra Form provide positive seating and extended Figure 2 RK F17 life One piece connecting rods are either a special alloy aluminum or bronze oversized for strength and load disbursement These pumps are designed for gearbox belt drive or coupling drive systems electric motor 182 184 frame driven systems or gasoline engine driven systems Figure 3 RK F24 RK 1450 rpm N Version Model GPM Max PSI Model GPM Max PSI RK11 14N 2 9 2000 RKA6 5G20HN 6 6 2000 RK11 20HN 2 9 2900 RKA7G20HN 7 1 2000 RK13 12N 3 43 1740 RKA 1750 rpm
16. ead 222 Pump head 222 NP Head Bolt 217 in lbs El motor flange Pump coupling Bushing Motor coupling 1 1 8 F14 Motor coupling 1 3 8 F15 Set screw Bolt Washer Complete pump head 018 Complete pump head 218 Complete pump head 218 Complete pump head 220 Complete pump head 222 Back up ring Bearing Hollow shaft 21 1 8 Hollow shaft 21 1 8 Hollow shaft 1 1 8 Hollow shaft 21 1 8 Bearing Oil seal O Ring Shaft cover El Motor Flange NEMA 184TC Cil h h 217 in lbs e cS P P P P B LO Specially formulated oil 1602 1 ORTH AMERICA Operating Instructions and Parts Manual RK Series Pumps RKV 3400 rem 32 35 18 17 34 p eat 1 QUIC um ee ee D VERSION 10 uL C 3 E CX ru 2 c CINE z B giok X ct 1 eu 3 M eu o ae qn UP 1 ge enm 38 D m cy 3 Gee S dex 27 39 RUE UL E 70045 L nd Repair Kits ege Water Seals Valves Pistons Oil Seals 18 218 218 218 1857 Kiti828 2546 1856 Foro For v 9 pos Qty Pos Qty Pos Qty Pos Qty RKV3 5G30 X RKV4G30A RKV5G32 RKV5 5G40H RKV4 5G40H 1 3 3 6 22 3 15 3 13 3 4 6 23 18 2 For M For A For 14 3 24 3 30 1 RKV4G32 RKV3 5G35H RKV4G35H 25 3 42
17. ed for a period of 90 days Warranty covers manufacturing defects or workmanship that may develop under normal use and service in a manner up to the directions and usage recommended by the manufacturer Warranty does not apply to misuse or when pump or accessory is altered or used in excess of recommended speeds pressures temperatures or handling fluids not suitable for pump or accessory material construction Warranty does not apply to normal wear freight damage freezing damage or damage caused by parts or accessories not supplied by AR North America Inc Liability of manufacturer for warranty is limited to repair or replacement at the option of the manufacturer when such products are found to be of original defect or workmanship at the time it was shipped from factory This warranty is in lieu of all other warranties expressed or implied including any warranty of merchantability and of any and all other obligations or liabilities on the part of the manufacturers or equipment WARRANTY RETURNS Items returned for warranty consideration must have a Returned Mer chandise Authorization RMA number All unauthorized returns will be refused and shipped back to sender Please fax requests to 651 636 1424 or e mail to shop arnorthamerica com AMERICA
18. eed and Flow Rated GPM Desired GPM Rated RPM Desired RPM Motor Pulley Pump Pulley 0 Pump RPM Motor RPM General Safety Information A WARNINGS Gasoline Drive Pumps pump is designed to pump non flammable or non explosive fluids These pumps are intended to pump clean filtered water only Do not operate or around an explosive environment Always wear safety glasses or goggles and appropriate clothing Gallons x 3 785412 Liters Gallons x 128 Oz PSI x 06896 Bar Bar x 14 5038 PSI 1 inches 25 4 millimeters Liters x 2642 Gallons US Ft Lbs x 1 356 Newton Meters Inch Lbs x 11298 Newton Meters Newton Meters x 737562 Ft Lbs force Newton Meters x 8 85 In Lbs force Temperature 1 8 C 17 78 F 555 F 32 C 1 U S Gallon of freshwater 8 33 Ibs 1 PSI 2 31 feet of water 1 PSI 2 04 inches of mercury 1 Foot of water 433 PSI 1 Foot of water 885 inches of mercury 1 Meter of water 3 28 feet of water Kilograms x 2 2 Lbs Do not alter the pump from the manufacturers design rq Do not allow children to operate the pump E Never point the high pressure discharge at a person any part of the body or animals Do not operate gasoline engines in a confined area always have adequate ventilation Do not exceed the pump specifications in speed or pressure Operating Instructions and Parts Manual RK Series Pumps
19. gh pressure packing v3 High pressure packing m3 Piston guide ODe3 Piston guide Y Piston guide O Ring 3 Low pressure seal Low pressure seal Low pressure seal Oil seal 3 Bolt 217 in lbs 8 Closed bearing sup 1 O Ring 2 Bearing 1 Pump housing 1 Oil 1 Nut 106 in Ibs Washer 3 Piston 3 Piston v3 Piston Slinger 3 O Ring 3 Guiding piston 3 Piston pin 3 Aluminum con rod 3000 PSI Bronze con rod 3000 PSI 3 O Ring 1 Complete cover 1 Bolt 89 in Ibs 6 Crankshaft Q 1 Crankshaft 0 1 Crankshaft v1 Crankshaft B Key 1 Oil seal 1 Pos Code 1380120 1380130 1380530 1382810 37 1380040 38 740290 39 1980740 40 1260470 41 1380141 41b 1837 41c 2633 41d 2633H l 1980740 1981180 43 180101 l 820361 960870 1381071 1381070 1380020 1380680 1383010 1383310 46 820150 47 1380490 48 1380300 4 1321670 il 1380330 1380350 51 1380180 52 620610 53 1381850 1389270 1389272 1389271 1389212 1389289 55 1080401 56 840370 2280260 2280200 2280270 2280280 58 1380320 59 621170 60 1380220 61 1380210 62 1591 AR64516 RK Series Pumps Description Qty 0 10mm shim 0 20mm shim 0 25mm shim 0 05mm shim Open bearing sup O Ring 3 8 G plug Bolt Mounting rail 1 1 4 Rail Kit 5 8 Rail Kit 2 5 8 Rail Kit 3 8 G plug 3 8 G plug NP O Ring Plug 1 2G Plug 1 2G NP Pump head 218 Pump head 218 NP Pump head 220 Pump head 220 NP Pump h
20. ng Instructions and Parts Manual RK Series Pumps Plunger Pumps Installation continued 9 Open the spray gun to purge the system of any air 10 Start the engine 11 Adjust the engine speed and unloader valve Belt Drive Systems 1 Mount the pump securely to the base plate See Figure 7 For new installation 17 a mounting rail kit is required refer to parts breakdown i n igure 7 2 Install the pump pulley on the crankshaft It should be as far onto the shaft as possible 3 Align the pulleys so they are in line See Figure 8 4 Use a belt tension gauge to assure proper tension too much tension can cause bearing failure or damage the belts as well as cause other problems See Figure 9 Figure 9 5 Installation complete Winter or Long Time Storage 1 Drain all of the water out of the pump 2 Run a 50 solution of a RV or non toxic biodegradable antifreeze through the pump 3 Flush the pump with fresh water before the next use In freezing conditions failure to do this may cause internal pump damage 5 For long periods of storage in non freezing areas the solution will keep the seals and O rings lubricated Service Pumps Servicing the Valves The inlet and discharge valves in this series pumps are all the same The valves are located under the six 24mm hex plugs The inlet valves are located on the lower row and the discharge
21. r maximum strength load disbursement and life Heavy pin area construction for added load strength Crankshaft Forged precision ground and hardened for extremely long life and durability Oil Seals and O rings Triple lip oil seals long life and much less leak prone All are constructed of Buna N rubber The O rings have stainless steel garder springs to assure constant tension on the sealing surface Oil Drains Quantity of two 2 One in the rear cover and one in the bottom of the crankcase Oil Capacity 15 5 oz Extra Features Dyno Proven All pumps are dyno tested to assure the theoretical design meets the actual design Valve Design Each pump series has a valve design that optimizes its highest efficiency Installation Direct Drive Electric and Gasoline Pumps 1 Install the shaft key into the keyway and apply a light coating of anti seize on the engine shaft 2 Align the two key ways and push the pump completely onto the engine See Figure 4 amp 5 3 Install all four 4 bolts and tighten evenly Tue Figure 4 4 Remove the red shipping Figure 5 oil cap and install the black crankcase vent cap See Figure 6 5 Install the E appropriate OO unloader valve and other accessories 6 Install the appropriate water inlet and discharge fittings 7 Connect the water supply hose and high pressure discharge hose spray gun 8 Turn on the water supply Operati
22. re 1 Worn nozzle 2 Belt slippage 3 Air leak in inlet plumbing 4 Relief valve stuck partially plugged or improperly adjusted valve seat worn 1 Replace with nozzle of proper size 2 Tighten or replace with correct belt 3 Disassemble reseal and reassemble 4 Clean and adjust relief valve check for worn or dirty valve seats Operating Instructions and Parts Manual RK Series Pumps Troubleshooting Symptom Possible Cause s Corrective Action Low Pressure cont 5 Worn packing Abrasive in 5 Install proper filter pumped in cavitation Suction at inlet manifold Inadequate water must be limited to lifting less than 20 feet of water or 8 5 psi vacuum 6 Worn inlet discharge valve 6 Replace inlet and blocked or dirty discharge valve Pump Runs Extremely Inlet restrictions and or air leaks Clean out foreign material Rough Pressure Very Stuck inlet or discharge valve Replace worn valves Low Water Leakage from Worn packing or cracked Install new packing or plunger Under Manifold plunger Slight Leak Oil Leaking in the Area 1 Worn crankshaft seal or 1 Remove oil seal retainer of Crankshaft improperly installed oil seal and replace damaged O O ring ring and or seals 2 Bad bearing 2 Replace bearing Excessive Play in the Worn main bearing from Replace crankcase bearing End of the Crankshaft excessive tension on drive belt and or tension drive belt Pulley Water in Crankcase 1 Humid air condensing into 1 Change oil inte
23. rvals water inside the crankcase 2 Worn packing and or cracked 2 Replace packing Replace plunger plunger Loud Knocking Noise 1 Cavitation or sucking air 1 Check water supply is in Pump turned on 2 Pulley loose on crankshaft 2 Check key and tighten set screw 3 Broken or worn bearing 3 Replace bearing nonu AMERICA Operating Instructions and Parts Manual RK Series Pumps 1450 RPM Repair Kits Legend Water Seals Valves Pistons Oil Seals Q 18 Q 18 20 22 Kit 1857018 Kit2864 Kit 2546018 Kit1855 F For O y Er e Kit 1887 020 Kit 2547 020 Enn 14 RK13 12 RK18 20H RHK21 20H RK11 20H RK13 20H Pos Qty Pos Qty Pos Qty Pos Qty For e For B 11 3 3 622 3 15 3 RK15 15 RK14 16 13 4 6 28 18 2 RK15 20H i4 3 RK15 28H 26 3 57 3 Code Description Qty Kit 1829 018 2809 Viton water seals 218 1 Kit 1815 220 2810 Viton water seals 220 1 Kit 1816 022 2811 Viton water seals 222 1 2819 Water seal 180 F 218 1 Pos Qty 10 3 Operating Instructions and Parts Manual Pos Code 960160 960090 960850 1380740 960090T 960850T 1389051 880830 880581 1380690 820510 1260430 1260250 1140450 960110 840300 840320 880320 840290 840330 1380090 1380150 1380160 961240 880330 840280 840340 1383130 850370 1380050 640030 2280240 1382770 880130 962010 962000 1380940 1380930 1382360 1380950 600180 1380920 1380060 1383050 1383020
24. s are not damaged they do not need any servicing Tools required 16mm socket ratchet mechanics pick taper blade gasket scraper thread sealant and torque wrench NOTE Be very careful when working with the plungers they are made from ceramic which is brittle and can be damaged Any time you remove a plunger it is recommended you replace the slinger washer O ring and top plunger washer The washers are a cushion for the ceramic plunger and compress when first used and the O ring will take a set to create a seal and usually will not spring back to its original shape By not replacing these parts you run the risk of breaking a plunger or having a water leak Disassembly 1 Remove the plunger retainer nut See Figure Figure 34 34 2 Insert the gasket scraper between the copper washer and plunger to remove the washer See Figure 35 7 Figure 35 Assembly 1 Twist and pull the plunger off the plunger rod Remove the plunger rod O ring seal and split back up ring with the mechanics pick See Figure 36 amp 37 Remove brass slinger At this point clean any thread locker that is left on the plunger rod and retaining nut threads See Figure 38 Install the slinger washer See Figure 39 Install the plunger rod O ring and split back up ring Place a light film of oil on the O ring and back up ring See Figure 40 NOTE The O ring is closest to the threaded end
25. uctuates Low Pressure at Nozzle Pressure Gauge Possible Cause s Worn rod oil seals 1 Cracked damaged or worn plunger 2 Overpressure to inlet manifold 3 Material in the fluid being pumped 4 Excessive pressure and or temperature of fluid being pumped 5 Running pump dry Pump is not primed Air is trapped inside pump 1 Air leak in suction hose or inlet Clogged suction strainer 1 Unloader valve is bypassing 2 Incorrect or worn nozzle 3 Worn packing or valves 1 Valves worn or blocked by RK Series Pumps Corrective Action Replace crankcase piston rod seals 1 Replace plungers 2 Reduce inlet pressure 3 Install proper filtration on pump inlet plumbing 4 Check pressures and fluid inlet temperature be sure they are within specified range 5 Do not run pump without water Flood suction then restart pump Disconnect discharge hose from pump Flood suction hose restart pump and run pump until all air has been evacuated 1 Remove suction line and inspect it for a loose liner or debris lodged in hose Avoid all unnecessary bends Do not kink hose 2 Clean strainer 1 Make sure unloader is adjusted properly and bypass seat is not leaking 2 Make sure nozzle is matched to the flow and pressure of the pump If the nozzle is worn replace 3 Replace packing or valves 1 Clean or replace valves Fluctuates foreign bodies 2 Packing worn 2 Replace packing Low Pressu
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