9.800-078.0 to locate your local kärcher commercial pressure washer dealer nearest you, visit www.Karchercommercial.Com model # order # hds 3.5/30 eb cage 1.575-509.0 hds 3.5/30 ec cage 1.575-510.0 model # order # hds 3.9/20 ea cage 1.575-505.0 hds 3.5/30 ea cage 1.575-508.0 ® operator’s manual 9800...
Contents 2 hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 introduction & important safety information 4-6 component identifications 7 assembly instructions 8 installation 9 operating instructions 10 detergents & general cleaning techniques 11 shut down & clean-up procedures 12 storage 12 troublesh...
3 contents hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 model number ______________________________ serial number ______________________________ date of purchase ____________________________ the model and serial numbers will be found on a decal attached to the pressure washer. You should record ...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al p ressure w asher 4 introduction & important safety information thank you for purchasing this pressure washer. We reserve the right to make changes at any time without incurring any obligation. Owner/user responsibility: the owner ...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 5 pressure w asher opera tor’s manu al 14. Be certain all quick cou- pler fittings are secured be- fore using pressure washer. Warning: high pressure de- veloped by these machines will cause personal injury or equipment damage. Keep clear of nozzle. U...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al p ressure w asher 6 important safety information 20. Do not overreach or stand on unstable support. Keep good footing and balance at all times. 21. Do not operate this machine when fatigued or under the influence of alcohol, prescr...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 7 pressure w asher opera tor’s manu al 98000780-2 component identification caution hot water: must use insulated spray gun and wand. High limit thermostat fuel tank wand holder downstream detergent injector pump fresh water faucet (not included) garde...
Hds 500-510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al pressure w asher 8 98000780-4 assembly instructions step 1: connect water supply hose. Step 3: connect high pressure hose to discharge nipple by sliding quick coupler collar back. Insert quick coupler onto discharge nipple and secure by pushi...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 9 pressure w asher opera tor’s manu al installation place machine in a convenient location providing ample support, draining and room for maintenance. This machine is intended for outdoor use. Machine must be stored indoors when not in use. Location: ...
Hds 500-510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al pressure w asher 10 98000780-12 operating instructions step 1: turn water on. Step 3: grip spray gun handle securely and pull trigger. Then turn variable pressure control handle counterclockwise. Step 2: connect the power cord into the proper...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 11 pressure w asher opera tor’s manu al warning: some detergents may be harmful if inhaled or in- gested, causing severe nausea, fainting or poisoning. The harm- ful elements may cause prop- erty damage or severe injury. Step 1: connect detergent in- ...
Hds 500-510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al pressure w asher 12 shutting down and clean-up caution: always store your pressure washer in a location where the temperature will not fall below 32°f (0°c). The pump in this machine is susceptible to permanent damage if frozen. Freeze damage...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 13 pressure w asher tr oub leshooting guide troubleshooting problem possible cause solution low operating pressure faulty pressure gauge install new gauge. Insufficient water supply use larger garden hose; clean filter washer at water inlet. Old, worn...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 pressure w asher tr oub leshooting guide 14 troubleshooting problem possible cause solution low water temperature improper fuel or water in fuel drain fuel tank and replace with proper fuel. Low fuel pressure increase fuel pressure. Weak fuel pump che...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 15 pressure w asher tr oub leshooting guide maintenance charts this pressure washer was produced with the best available materials and quality craftsmanship. However, you as the owner have certain responsibilities for the correct care of the equipment...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al p ressure w asher 16 preventative maintenance 1. Use clean fuel — kerosene, no. 1 home heating fuel or diesel fuel. Clean or replace fuel filter every 100 hours of operation. Avoid water contaminated fuel as it will seize up the fu...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 17 pressure w asher opera tor’s manu al maintenance step 4 after circulating solution flush entire system with fresh water. Removal of soot in heating coil: in the heating process, fuel residue in the form of soot deposits may develop between the heat...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al p ressure w asher 18 98000780-24 maintenance next, check the air adjustment on the burner. An oily, black, smoky fire indicates a lack of air and the air band should be moved to allow the air to flow through the burner. Sharp, eye-...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 19 pressure w asher opera tor’s manu al 98000780-25 to fuel filter exploded view - 1.575-505.0, 508.0, 509.0, 510.0 44 49 78 16 51 30 51 to fuel tank 32 for detail see control panel illus. 16 35 13 36 17 20 34 43 48 52 38 77 76 48 3 72 33 2 61 1 9 58 ...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al p ressure w asher 20 item part no. Description qty 1 9.800-002.0 label, use only kerosene 1 2 9.800-006.0 label, "hot/caliente" with arrows warning 1 3 8.932-969.0 label, warning, service cord 1 4 9.800-021.0 label, hot water outle...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 21 pressure w asher opera tor’s manu al 1.575-505.0, 508.0, 509.0, 510.0 parts list item part no. Description qty 73 9.802-765.0 screw, 1/4-20 x 1/2" bh, soc 2 74 8.706-941.0 hose barb, 1/4" 1 75 9.802-779.0 nut, 3/8" esna 11 76 9.802-254.0 fuel line,...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al p ressure w asher 22 8 10 12 14 16 0 2 4 6 ground 98000780-26 item part no. Description qty 1 9.802-451.0 switch, rocker, carling w/green lens 2 (time delay option) 1 9.802-452.0 rocker switch, red lens (time delay option) 1 2 9.80...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 23 pressure w asher opera tor’s manu al 1.575-505.0, 508.0, 509.0, 510.0 parts list item part no. Description qty 11 9.802-064.0 grommet, rubber, nozzle holder 4 12 9.802-880.0 cover, electrical box 1 13 9.802-759.0 screw, 10/32" x 1/2" 13 (time delay...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al p ressure w asher 24 98000780-27 float tank option - 505.0, 508.0, 509.0, 510.0 to float tank 18 19 6 3 5 2 1, 8 7 25 24 26 23 22 21 20 27 10 4 9 7 34 21 42 31 21 30 33 17 32 28 29 16 15 14 13 12 11 39 36 39 18 41 40 38 steam optio...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 25 pressure w asher opera tor’s manu al float tank 505.0, 508.0, 509.0, 510.0 parts list item part no. Description qty 15 9.802-961.0 hose connection bracket 1 16 9.802-700.0 bolt, 1/4" x 3/4", nc hh 2 17 9.802-781.0 nut, 3/8", flange, whiz loc, nc 4 ...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al p ressure w asher 26 98000780-28 auto start/stop options 505.0, 508.0, 509.0, 510.0 item part no. Description qty 1 9.802-146.0 swivel, 1/2" mp x 3/4" ghf w/strainer 1 2 8.706-844.0 tee, 1/2" female pipe 1 3 8.706-797.0 nipple, 1/2...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 27 pressure w asher opera tor’s manu al auto start/stop - steam options & parts list 505.0, 508.0, 509.0, 510.0 op en fo r st ea m 10-99011 98000780-29 item part no. Description qty 1 8.918-423.0 hose, 3/8" x 22" pressure loop 1 2 9.802-146.0 swivel, ...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al p ressure w asher 28 98000780-30 1.575-505.0, 508.0, 509.0, 510.0 pump assembly item part no. Description qty 1 8.707-256.0 pump protector, 1/2" 1 2 9.802-458.0 pressure switch, 1/4" 1 3 9.802-039.0 elbow, 1/2" jic x 3/8", 90° 1 4 ...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 29 pressure w asher opera tor’s manu al 98000780-31 item part no. Description qty 1 9.802-143.0 hose barb, 1/4" barb x 1/4" pipe, 90° 2 2 6.390-126.0 clamp, hose, .46-, .54 st 2 3 9.802-187.0 valve, flow control w/metering 1 4 9.802-010.0 nipple, 1/4"...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al p ressure w asher 30 98000780-32 item part no. Description qty 1 9.802-165.0 coupler, 1/4" male 1 9.802-096.0 quick coupler o-ring, small 1 2 9.802-286.0 nozzle only, 1/8" soap 1 3 9.802-222.0 wand, zinc, vp, w/coupler 1 4 8.739-12...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 31 pressure w asher opera tor’s manu al uu1 unloader valve exploded view 9.175-018.0, 3500 psi universal unloader uu1 unloader valve exploded view parts list item part # description kit qty 1 piston housing a 1 2 piston c 1 3 8.749-795.0 piston o-ring...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al p ressure w asher 32 ke.1 series pump exploded view ke.1 series pump exploded view parts list torque specs item # ft.-lbs 14 65 17 18 25 7.6 36 8 38 7 48 13 9.803-814.0 ke 2020f.1 9.803-815.0 ke 2020s.1 9.803-816.0 ke 2825f.1 9.803...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 33 pressure w asher opera tor’s manu al ke.1 series pump parts list (cont) item part no. Description qty 36 9.804-584.0 flange screw 4 37 9.804-585.0 crankshaft seal 1 38* see kit plunger nut 3 39* see kit copper spacer 3 40* see kit plunger 15mm (202...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al p ressure w asher 34 item part no. Description qty 1 8.751-216.0 crankcase 1 2* see kits below plunger oil seal 3 3* see kits below o-ring Ø1.78 x 31.47 3 4* see kits below pressure ring 3 5* see kits below u-seal 3 6* see kits bel...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 35 pressure w asher opera tor’s manu al item part no. Description qty 36* see kits below copper spacer 3 37* see kits below o-ring Ø1.78 x 7.66 3 38* see kits below teflon ring 3 39 8.751-224.0 plunger rod 3 40 9.803-158.0 connecting rod 3 41 8.751-22...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 opera tor’s manu al p ressure w asher 36 machine pump pump unloader unloader pulley motor motor pulley model bushing belt belt motor stepdown primary second part # model parts# replacement production pulley part # size voltage part # pulley part # par...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 37 pressure w asher opera tor’s manu al specifications machine pump pump unloader unloader pulley motor motor pulley model bushing belt belt motor stepdown primary second part # model parts# replacement production pulley part # size voltage part # pul...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 pressure w asher specifications 38 for best performance specify genuine clearfire replacement parts clearfire burner replacement parts.
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 39 pressure w asher specifications for best performance specify genuine clearfire replacement parts replacement parts list item # p ar t # description qty item # p ar t # description qty 1 8.919-050.0 b urner housing assembl y 1 25 8.750-830.0 plug, h...
Hds 505, 508, 509, 510 • 9.800-078.0 • rev. 4/13 pressure w asher specifications 40 burner burner fuel pump/ fuel model # assy # fuel nozzle transformer motor solenoid/cord solenoid coil electrode 1.575-505.0 9.802-561.0 8.717-272.0 9.802-661.0 9.802-635.0 9.802-645.0 9.802-640.0 9.802-670.0 1.575-5...
Hds 500-510 • 9.800-078.0 • rev. 4/13 pressure w asher w arranty ® limited new product warranty—commercial pressure washers phone: 888-805-9852 fax: 800-248-8409 www.Karchercommercial.Com what this warranty covers all kärcher commercial pressure washers are warranted by kärcher to the original purch...
Www.Karchercommercial.Com form hds 505, 508, 509, 510 # 9.800-078.0 • revised 4/13 • printed in u.S.A. Or mexico ®.