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31

Landa PDHW Service Manual  8.920-098.0 - AU

Chassis

REF

PART NO.

QTY

DESCRIPTION

NOTES

1

8.900-271.0

1

LABEL, LANDA LOGO, 16" X 4.75"

2

8.726-103.0

30

SCREW, 1/4" X 5/8" NC, WHIZ LOC BLK CAD

-

8.751-836.0

30

SCREW, 1/4" X 1/2" NC, WHIZ LOC, SS

3

8.920-086.0

1

PANEL, PDHW FRONT

-

8.920-154.0

1

PANEL, PDHW FRONT, SS

4

8.920-090.0

1

PANEL, PDHW TOP

-

8.920-158.0

1

PANEL, PDHW TOP, SS

5

8.920-159.0

1

PANEL, PDHW BACK

-

8.920-160.0

1

PANEL, PDHW BACK, SS

6

8.920-113.0

1

COVER, RADIATOR CAP

-

8.920-291.0

1

COVER, RADIATOR CAP, SS

7

8.920-088.0

1

PANEL, PDHW RIGHT

-

8.920-156.0

1

PANEL, PDHW RIGHT, SS

8

9.801-367.0

1

LABEL, INSTRUCTIONS - WARNING, PDHW

9

8.920-243.0

1

HINGE, PIANO 25.25" OAL, SS

10

8.719-053.0

14

RIVET, 3/16 DIA .126-.250" GRIP, S/S

11

8.919-974.0

1

CONTROL, BACK, PDHW

-

8.919-975.0

1

CONTROL, BACK, PDHW, SS

12

8.920-087.0

1

PANEL, PDHW LEFT

-

8.920-155.0

1

PANEL, PDHW LEFT, SS

13

8.712-354.0

1

NOZZLE, SAQCMEG 1505, YELLOW

-

8.712-355.0

1

NOZZLE, SAQCMEG 2505, GREEN

-

8.712-356.0

1

NOZZLE, SAQCMEG 4005, WHITE

14

8.751-128.0

1

HANDLE, LOCKING, VECTOR T HNDL

15

8.718-813.0

4

SCREW, 10/32 X 1/2 BH SOC, 

16

8.718-860.0

4

NUT, 10/32", ESNA, SS"

17

9.802-074.0

1

NUT, 1/4" SQUARE HEAD GROMMET, NYLON

18

9.800-021.0

1

LABEL, HOT WATER

19

9.802-064.0

4

GROMMET, RUBBER, NOZZLE HOLDER

20

8.750-246.0

1

SCREW, 1/4" X 1/2" WHIZ LOC

21

9.800-006.0

1

LABEL, HOT

22

9.800-020.0

1

LABEL, COLD WATER INLET

23

-

1

SERIAL PLATE

24

9.800-034.0

1

LABEL, CLEAR LEXAN

25

8.932-968.0

1

LABEL, INTENDED FOR OUTDOOR USE

26

9.802-071.0

12"

TRIM, 750

27

8.753-255.0

30

EXTRUDED SCREW NUT, 1/4"-20

NOT SHOWN

Summary of Contents for PDHW5-35624E

Page 1: ...ric a antes de dar servicio RISQU E D ELEC TROCU TION Tous les fils doivent être mainte nus secs et étre suspen dus No jamais projete r de l eau sur les com posante s et fils électriq ues Couper l alime ntatatio n électriq ue avant de faire une réparat ion RISK OF ELECTR OCUTIO N Keep all connec tions dry and off the ground Keep spray away from electri cal wiring and compo nents Discon nect from ele...

Page 2: ...2 Landa PDHW Service Manual 8 920 098 0 AU Machine Data Label ...

Page 3: ... Fuel 7 Burner Nozzle 8 Burner Air Adjustment 8 Coil Removal 8 Coil Re Installation 8 Preventative Maintenance 9 Maintenance Schedule 9 Kubota Engine Maintenance Schedule 9 Troubleshooting 10 Parts Landa PDHW 16 Power Platform 18 Coil 22 Control Box 24 Burner Fuel Filter 26 Unloader Pump 28 Chassis 30 Hose Spray Gun 32 Specifications 33 Wayne Burner EHASR DC 34 Wayne Burner EHASR AC 36 LT 2 Series...

Page 4: ...ers When placing an order for parts the machine model and machine serial number are important Refer to the MACHINE DATA box which is filled out during the installation of your machine The MACHINE DATA box is located on the inside of the front cover of this manual The model and serial number will be found on a decal attached to the pressure washer Model Date of Purchase Serial Number Dealer Address...

Page 5: ...contains assembled parts illustrations and corresponding parts list The parts lists include a number of columns of information REF column refers to the reference number on the parts illustration PART NO column lists the part number for the part QTY column lists the quantity of the part used in that area of the machine DESCRIPTION column is a brief description of the part NOTES column for informati...

Page 6: ...e Damage due to freezing is not covered by warranty Adhere to the following cold weather procedures whenever the washer must be stored or operated outdoors under freezing conditions During winter months when temperatures drop below 32 F protecting your machine against freezing is necessary Store the machine in a heated room If this is not possible then mix a 50 50 solution of anti freeze and water...

Page 7: ...normally closed is activated by a flow switch when water flows through it When the operator releases the trigger on the spray gun the flow of water through the flow switch stops turning off the electrical current to the fuel solenoid The solenoid then closes shutting off the supply of fuel to the combustion chamber Controlling the flow of fuel in this way gives an instantaneous burn or no burn sit...

Page 8: ... the air band may need to be decreased For higher ambient temperatures the air band opening may need to be increased for lower ambient tempera tures the air band opening may need to be decreased Adjust to your operating location s environment as needed for best smoke spot and performance compliant with local state and federal regulations CAUTION If white smoke appears from burner exhaust vent duri...

Page 9: ...ntenance information for the Kubota engine NOTE Read Kubota engine manual for any maintenance or service questions Maintenance Schedule Pump Oil Non detergent SAE 10W 40 Inspect Oil level daily Change After first 50 hours then every 500 hours or annually Replace High Pressure Nozzle Every 6 months Replace Quick Connects Annually Clean Water Screen Filter Weekly Replace HP Hose Annually Rupture Dis...

Page 10: ...heck and replace if necessary BURNER WILL NOT LIGHT continued on next page Little or no fuel Fill tank with fuel Improper fuel or water in fuel Drain fuel tank and fill with proper fuel Clogged fuel line Clean or replace Plugged fuel filter Replace as needed Mis adjusted burner air bands Readjust air bands for clean burn Little or no fuel pressure from fuel pump Increase fuel pressure to specifica...

Page 11: ...RNER UNIT IS RUNNING OR UNIT SMOKES AT COLD START ONLY WHEN BURNER IS OFF Improper fuel or water in fuel Drain tank and replace contaminated fuel Air adjustment is improper Readjust air bands on burner assembly Fuel pressure is low 140 psi for burner Adjust fuel pump pressure to specifications Burner nozzle spray pattern is faulty Replace nozzle Check parts breakdown for nozzle size Faulty burner ...

Page 12: ...witch Replace Incorrect fuel nozzle size See specifications for proper fuel nozzle Insufficient water supplied Check water G P M to machine Restricted water flow Check nozzle for obstruction proper size PUMP NOISY Air in suction line Check water supply and connections on suction line Broken or weak inlet or discharge valve springs Check and replace if necessary Excessive matter in valves Check and...

Page 13: ...gent line s Repair hole Low detergent level Add detergent if needed PUMP RUNNING NORMALLY BUT PRESSURE LOW ON INSTALLATION Pump sucking air Check water supply and possibility of air seepage Valves sticking Check and clean or replace if necessary Nozzle incorrectly sized Check and replace if necessary See serial plate for proper size Unloader valve seat faulty Check and replace if necessary Worn pi...

Page 14: ...14 Notes Landa PDHW Service Manual 8 920 098 0 AU ...

Page 15: ...15 Parts Parts PDHW5 35624E 1 110 060 0 PDHW5 35624E G 1 110 062 0 PDHW5 35624E SS 1 110 061 0 PDHW5 35624E G SS 1 110 063 0 LANDA PDHW Landa PDHW Service Manual 8 920 098 0 AU ...

Page 16: ...PDHW SS Landa PDHW Service Manual 8 920 098 0 AU 26 28 1 41 35 9 18 20 8 19 4 3 33 23 23 23 40 25 26 21 2 27 15 16 14 13 12 23 11 10 32 32 31 31 24 22 17 18 6 6 To Engine Bypass See Air Filter Assembly See Power Platform See Fuel Filter Assembly See Unloader Assembly 19 37 38 30 39 See Fuel Filter Assembly To Burner Bypass To Burner Filter To Engine Filter To Control Box To Engine Starter To Groun...

Page 17: ...0 8 757 192 0 1 PLUG 1 4 NPTF COUNTERSUNK BRASS 21 8 751 816 0 8 MOUNT RUBBER 22 9 802 255 0 48 HOSE 3 16 PUSH ON 23 9 802 767 0 6 SCREW 3 8 X 3 4 NC WHIZ LOC FLANGE 8 751 864 0 6 SCREW 3 8 X 3 4 NC WHIZ LOC FLANGE SS 24 8 932 960 0 1 LABEL DIESEL FUEL 25 9 802 728 0 2 BOLT 3 8 16 X 2 HH ZINC 8 718 668 0 2 BOLT 3 8 16 X 2 HH SS 26 9 802 781 0 8 NUT 3 8 NC WHIZ LOC FLANGE 9 802 788 0 8 NUT 3 8 NC W...

Page 18: ...5 26 9 32 31 30 14 19 19 9 15 8 29 8 11 10 46 19 1 5 19 6 10 13 12 19 See Pump Assembly 3 6 36 38 39 37 44 54 41 42 40 43 11 8 9 9 8 To Control Box 52 51 49 50 19 55 56 48 61 60 9 58 58 59 59 59 4 2 3 7 45 9 34 47 9 Landa PDHW Service Manual 8 920 098 0 AU ...

Page 19: ...719 024 0 3 WASHER 3 8 SPLIT RING LOCK SS DC MODELS 6 WASHER 3 8 SPLIT RING LOCK SS AC MODELS 9 9 802 807 0 11 WASHER 3 8 SAE FLAT ZINC DC MODELS 18 WASHER 3 8 SAE FLAT ZINC AC MODELS 9 802 808 0 3 WASHER 3 8 SAE SS 936631 DC MODELS 10 WASHER 3 8 SAE SS 936631 AC MODELS 10 8 725 549 0 2 BOLT 3 8 X 7 1 2 HH DC MODELS 4 BOLT 3 8 X 7 1 2 HH AC MODELS 8 751 705 0 2 BOLT 3 8 X 7 1 2 HH SS DC MODELS 4 B...

Page 20: ... ENGINE KUBOTA LEFT SS 30 8 921 663 0 1 WLMT PUMP RAIL 8 921 666 0 1 WLMT PUMP RAIL SS 31 8 924 186 0 1 WLMT PUMP MOUNT GEN 8 924 188 0 1 WLMT PUMP MOUNT GEN SS 32 9 802 720 0 4 BOLT 3 8 X 1 NC HH 9 802 721 0 4 BOLT 3 8 X 1 HH NC 316 SS 33 9 802 503 0 1 CABLE BATTERY 32 RED 4 GA NOT SHOWN 34 8 751 857 0 1 FILTER OIL KUBOTA REPLACEMENT PART 35 9 802 504 0 1 CABLE BATTERY 36 BLACK 4 GA NOT SHOWN 36 ...

Page 21: ...0 8 WASHER M10 SPLIT RING 55 8 920 244 0 1 PLATE HEAT SHIELD KUBOTA 56 8 752 150 0 1 CORD MOLDED 14 3 SJEOW 6 FT 57 9 802 779 0 4 NUT 3 8 ESNA NC 9 802 780 0 4 NUT 3 8 STAINLESS ESNA NC 58 9 802 776 0 3 NUT 5 16 18 ESNA 9 802 777 0 3 NUT 5 16 18 ESNA SS 59 8 718 980 0 5 WASHER 5 16 FLAT SAE 780452 9 802 805 0 5 WASHER 5 16 FLAT SAE SS 60 9 802 713 0 2 BOLT 5 16 X 1 1 2 NC HH 612975 8 718 621 0 2 B...

Page 22: ...22 Coil 3 23 24 21 15 25 18 To Base of Frame 22 19 2 1 5 6 4 8 17 13 7 9 13 14 11 12 1 16 7 12 10 To Flow Switch 9 20 Landa PDHW Service Manual 8 920 098 0 AU ...

Page 23: ... 916 486 0 1 WLMT BOTTOM WRAP 8 916 514 0 1 WLMT BOTTOM WRAP SS 12 9 803 132 0 2 INSULATION RETAINER PLATE 13 9 802 797 0 8 SCREW SS 10 X 1 2 HEX HEAD TEK 14 8 912 239 0 1 COIL LANDA DURA SCH 80 W ALUMINIZED STEEL WRAP 15 8 757 240 0 1 MANIFOLD COIL OUTLET DISCHARGE W TAG 16 8 757 363 0 1 ELBOW 90 3 4 16 JIC X 1 2 NPTF F 90 17 9 802 727 0 2 BOLT 3 8 X 1 3 4 TAP 18 8 757 239 0 1 ELBOW 3 8 MPT x 1 2...

Page 24: ... CONTROL FRONT PDHW 8 919 977 0 1 CONTROL FRONT PDHW SS 3 8 920 210 0 1 PANEL CONTROL PDHW AC GROUND 2 7 15 9 18 20 23 21 32 13 13 11 5 17 16 3 25 14 10 1 39 19 17 6 24 12 28 36 24 To Generator To Engine To Flow Switch To Burner 24 27 26 34 27 28 28 29 30 31 31 32 27 28 25 27 8 4 38 4 33 35 30 Landa PDHW Service Manual 8 920 098 0 AU ...

Page 25: ...2 WHIZ LOC FLANGE SS 18 8 718 779 0 2 SCREW 4MM X 6 MM PAN HEAD 19 8 919 979 0 1 LABEL CONTROL PANEL PDHW 20 8 753 258 0 1 LIGHT INDICATOR AMBER 125V AC MODELS ONLY 21 8 751 412 0 1 TIMER LAMP QUICKGLOW KUBOTA REPLACEMENT PART 22 8 751 413 0 1 RELAY SOLENOID KUBOTA REPLACEMENT PART 23 8 706 755 0 1 BUSHING 5 8 SNAP 24 9 802 074 0 16 NUT 1 4 NYLON 25 9 802 073 0 87 WEATHER STRIPPING 26 9 802 493 0 ...

Page 26: ...uel Filter Landa PDHW Service Manual 8 920 098 0 AU o T T k n a 2 3 4 6 4 14 18 8 2 4 5 5 2 17 15 16 19 10 12 13 7 1 7 10 2 11 To Burner To Fuel Tank To Filter To Engine To Fuel Tank To Fuel Tank Lower Outlet 4 9 ...

Page 27: ...H ON 8 8 754 911 0 1 CHECK VALVE 1 WAY 1 4 BARB 9 8 757 198 0 1 ELBOW 1 4 STREET BRASS 10 8 757 795 0 2 NIPPLE HEX BRASS 1 4 NPTF 11 9 802 767 0 2 SCREW 3 8 X 3 4 WHIZ 8 751 864 0 2 SCREW 3 8 X 3 4 WHIZ SS 12 8 920 245 0 1 WLMT BRACKET FUEL FILTER PDHW 8 920 293 0 1 WLMT BRACKET FUEL FILTER PDHW SS 13 9 802 708 0 2 SCREW 5 16 X 3 4 NC WHIZ LOC FLANGE 8 751 837 0 2 SCREW 5 16 X 3 4 NC WHIZ LOC FLAN...

Page 28: ...er Pump Landa PDHW Service Manual 8 920 098 0 AU 8 14 13 10 3 15 21 28 12 1 10 12 9 5 2 7 4 25 27 11 9 6 17 24 23 22 16 19 29 10 10 16 26 20 18 To Water Inlet To Unloader To Pump To Tee To Coil Inlet To Unloader ...

Page 29: ...2 259 0 11 HOSE 1 2 PUSH ON 13 8 757 509 0 1 ELBOW 3 4 16 SAE X 3 8 NPTF M STEEL 14 9 802 870 0 1 BLOCK UNLOADER 3 8 X 3 8 1 25 STEEL 15 8 707 254 0 PUMP PROTECTOR 3 8 145 16 8 918 210 0 1 HOSE 3 8 X 16 2 WIRE PRESSURE LOOP 17 8 918 211 0 1 HOSE 3 8 X 40 2 WIRE PRESSURE LOOP 18 8 757 262 0 1 ELBOW 1 2 45 SAE X 3 8 M NPTF BRASS 19 9 802 259 0 15 HOSE 1 2 PUSH ON 20 9 802 126 0 1 PLUG 1 2 JIC FLARE ...

Page 30: ...ar servicio RISQUE D ELECT ROCUTIO N Tous les fils doivent être maintenu s secs et étre suspendu s No jamais projeter de l eau sur les com posantes et fils électriqu es Couper l aliment atation électriqu e avant de faire une réparatio n RISK OF ELECTRO CUTION Keep all connec tions dry and off the ground Keep spray away from electrica l wiring and compone nts Disconn ect from electrica l supply befor...

Page 31: ...0 8 719 053 0 14 RIVET 3 16 DIA 126 250 GRIP S S 11 8 919 974 0 1 CONTROL BACK PDHW 8 919 975 0 1 CONTROL BACK PDHW SS 12 8 920 087 0 1 PANEL PDHW LEFT 8 920 155 0 1 PANEL PDHW LEFT SS 13 8 712 354 0 1 NOZZLE SAQCMEG 1505 YELLOW 8 712 355 0 1 NOZZLE SAQCMEG 2505 GREEN 8 712 356 0 1 NOZZLE SAQCMEG 4005 WHITE 14 8 751 128 0 1 HANDLE LOCKING VECTOR T HNDL 15 8 718 813 0 4 SCREW 10 32 X 1 2 BH SOC 16 ...

Page 32: ...I 10 4 GPM 4 8 711 308 0 1 VP WAND W COUPLER SOAP NOZZLE 4 83 SSVPKIT 1 REPAIR KIT AL STAINLESS SEAT NOT SHOWN 5 9 802 165 0 1 COUPLER 1 4 MALE 9 802 096 0 1 O RING REPLACEMENT ONLY NOT SHOWN 6 9 802 286 0 1 NOZZLE 1 8 SOAP BRASS NOT SHOWN 7 8 707 139 0 1 COUPLER 1 4 PLUG MALE STEEL ZINC NOT SHOWN 8 9 802 164 0 1 COUPLER 1 4 SOCKET FEMALE BRASS NOT SHOWN 5 4 3 1 2 6 Landa PDHW Service Manual 8 920...

Page 33: ...U Specifications Burner Specifications Model Number Burner Assy No Fuel Nozzle w 100 PSI Check Valve 1 110 060 0 8 756 480 0 8 756 697 0 1 110 061 0 8 756 480 0 8 756 697 0 1 110 062 0 8 756 413 0 8 756 697 0 1 110 063 0 8 756 413 0 8 756 697 0 ...

Page 34: ...34 Wayne Burner EHASR DC Landa PDHW Service Manual 8 920 098 0 AU ...

Page 35: ...1 SLOT COVER PLATE 7 8 700 732 0 1 BAND AIR BURNER INNER EHA SR 8 8 700 729 0 1 AIR BAND 8 HOLE OUTER EHA SR 9 8 756 715 0 1 COUPLING A B PUMP 10 8 700 704 0 1 OIL LINE 6 11 8 756 437 0 1 PUMP COMBO 12V 24V 12 8 756 299 0 1 BRASS 90 ELBOW 13 8 756 879 0 1 GUN ASSEMBLY 14 8 700 724 0 1 AIR CONE FLANGE TUBE WELDMENT 15 8 700 692 0 2 GASKET 8 700 770 0 1 ELECTRODE ASSEMBLY REPLACEMENT KIT NOT SHOWN 8...

Page 36: ...36 Wayne Burner EHASR AC Landa PDHW Service Manual 8 920 098 0 AU ...

Page 37: ... 1 SLOT COVER PLATE 7 8 700 732 0 1 BAND AIR BURNER INNER EHA SR 8 8 700 729 0 1 AIR BAND 8 HOLE OUTER EHA SR 9 8 700 776 0 1 COUPLING A B PUMP 10 8 700 704 0 1 OIL LINE 6 11 8 756 290 0 1 PUMP COMBO 120VAC 12 8 700 685 0 1 BRASS 90 ELBOW 13 8 756 704 0 1 GUN ASSEMBLY 14 8 756 305 0 1 FLANGE TUBE WELDMENT W AIR CONE 15 8 700 692 0 2 GASKET 8 700 770 0 1 ELECTRODE ASSEMBLY REPLACEMENT KIT Landa PDH...

Page 38: ...99 0 1 COPPER WASHER 1 2 10 8 753 816 0 1 MANIFOLD HOUSING 11 9 804 498 0 6 O RING Ø2 62 X 25 1 SEE KITS TABLE 12 6 VALVE ASSEMBLY SEE KITS TABLE 13 9 803 193 0 6 O RING 3068 SEE KITS TABLE 14 9 802 928 0 6 VALVE PLUG 15 8 753 817 0 8 MANIFOLD STUD BOLT 16 9 802 890 0 8 LOCK WASHER Landa PDHW Service Manual 8 920 098 0 AU TORQUE SPECS ITEM FT LBS 14 95 15 45 23 8 34 10 42 30 48 8 5 7 12 12 23 24 2...

Page 39: ...1 0 1 BEARING HOUSING 34 8 752 841 0 3 PLUNGER BOLT SEE KITS TABLE 35 8 752 820 0 3 BONDED SEAL SEE KITS TABLE 36 8 753 819 0 3 PLUNGER 18MM SEE KITS TABLE 37 8 752 823 0 3 COPPER SPACER SEE KITS TABLE 38 8 753 820 0 3 PLUNGER ROD 39 8 752 822 0 3 CONNECTING ROD PIN 40 8 752 821 0 3 CONNECTING ROD 41 9 802 889 0 6 SPRING WASHER 42 9 802 937 0 6 CONNECTING ROD SCREW 43 9 803 194 0 1 O RING Ø2 62 X ...

Page 40: ...OADER 8 750 709 0 REPAIR KIT VRT3 2320 3630 PSI 8 750 710 0 REPAIR KIT VRT3 4500 PSI KIT ITEMS 3 4 6 9 12 21 24 Landa PDHW Service Manual 8 920 098 0 AU 8 750 297 0 8 GPM 2320 PSI 8 750 298 0 8 GPM 3630 PSI 8 750 299 0 8 GPM 4500 PSI 9 8 23 26 2 3 16 1 10 24 11 6 4 13 14 20 25 12 22 19 15 15 21 17 18 7 9 5 6 ...

Page 41: ...8 and screw down until contact is made with the nuts Items 15 Screw down lock nut Item 19 onto the stem Item 8 until the threads cut into the nylon insert of the lock nut Item19 If adjustment knob Item 18 DOES NOT make contact with upper nut Items 15 remove adjusting knob Item 18 re adjust raise nuts Items 15 on stem Item 8 and re attach adjustment knob Item 18 then repeat step 6 If adjustment kno...

Page 42: ...600 7200 10 8 6 35 4200 8400 10 8 4 40 4800 9600 8 6 2 50 6000 12000 6 4 2 60 7200 14400 4 2 APPROXIMATE POWER Requirements for Equipment EQUIPMENT WATTAGE REQUIREMENTS STARTING RUNNING Battery Charger 10 AMPS 200 Compressor see motor charts 3 4 HP 1900 850 1 HP 2500 1100 2 HP 3600 1800 3 HP 4800 2400 1 4 400 300 3 8 650 475 1 2 900 750 1 1250 1000 Welder 100 Amps DC 3600 Floodlight 1000 Grain Cle...

Page 43: ...43 Landa PDHW Service Manual 8 920 098 0 AU Notes ...

Page 44: ...8 920 098 0 Printed in U S A ...

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