SERVICE MANUAL - Industrial Cleaning Equipment
Contents
1. 070 1978 8 9L S X 12 1 XITA ONI1d0OO 0 7505 8 8 xa3l3v Z L HOLOW 0 0 16 8 ZH09 AOE 9 1 HOLOW 0815 0578 ZHO9 ASLL dH 9 1 HOLOW 07150578 SSOJNVG HnH 39NVT LIA O esz 0Sz 8 es SSOANV 1100 GIONSTOS 318vO 059 05 8 S Avc cL 55 106 100 Ov970978 ASLLSSOJNVQ dION310S llOO 0 970978 v NOEZ 550 105 7102 02970978 86213120 SSOANVG dWNd 1903 0000 55 8 6 105 0 2 901 VAeV OALNNS dnd 13n4 0097 0078 TOS 901 2 OALNNS dWnd 19 06970078 105 2 21 9016 2 OALNNS dWNd 7915 095 00 8 XIGWASSV ONISNOH 0050 6168 uondii5s q Hed Wo 8 920 098 0 LANDA PDHW Service REV 8 12 tr ui lt t 5 9 a S gt 4 28 LT 1 SERIES PUMP EXPLODED VIEW 8 904 869 0 8 904 870 0 8 904 871 0 8 904 872 0 8 904 874 0 8 904 879 0 8 904 881 0 8 904 883 0 LT4035 1 Right LT4035 1 Left LT4040 1 Right LT4040 1 Left LT5030 1 Right LT5030 1 Left LT6035 1 Right LT6035 1 Left LT 1 SERIES PUMP EXPLODED VIEW PARTS LIST ITEM PARTNO DESCRIPTION QTY ITEM PARTNO DESCRIPTION QTY 1 9 803 163 0 1 19 9 802 890 0 Washer 8 2 9 803 195 0 Plunger Guide 3 20 9 803 198 0 Copper Washer2. 15 move them upward on stem Item 8 until you see 4 or more threads below the nut Re attach adjusting knob Item 18 Start machine Open the trigger of the spray gun Increase pressure by turning adjustment knob Item 18 clockwise until pressure is at the desired operating pressure 6 Remove the adjustment knob Item 18 tighten the lower nut Item 15 tightly against the upper nut Item 15 Re attach adjustment knob Item 18 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 Item 19 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 f adjustment knob Item 18 DOES make contact with upper nut release the trigger of the spray gun and watch the pres sure gauge for the pressure increase spike This spike SHOULD NOT exceed 500 psi above the operating pressure If spike pressure exceeds the 500 psi limit remove the adjusting knob Item 18 and re adjust lower the nuts Items 15 on the stem Item 8 Re attach the adjusting knob Item 18 then repeat step 6 N 8 920 098 0 LANDA PDHW Service REV 8 12 LANDA LANDA LIMITED NEW PRODUCT WARRANTY PRESSURE WASHERS WHAT THIS WARRANTY COVERS All LANDA pr
3. 5 e 8 920 098 0 LANDA PDHW Service REV 8 12 tr ui lt t 5 a 5 5 gt 4 MAINTENANCE amp SERVICE Check List 1 Check to see that water pump is properly lubricated 2 Follow winterizing instructions to prevent freeze damage to pump and coils 3 Always neutralize and flush detergent from system after use 4 If water is known to be high in mineral content use a water softener on your water system or de scale as needed 5 Do not allow acidic caustic or abrasive fluids to be pumped through system 6 Always use high grade quality cleaning products 7 Never run pump dry for extended periods of time 8 Use clean diesel Clean or replace fuel filter every 300 hours or 6 months of operation Avoid water contaminated fuel as it will damage the fuel pump 9 If machine is operated with smoky or eye burning exhaust coils will soot up not letting water reach maximum operating temperature 10 Never allow water to be sprayed on or near the engine or burner assembly or any electrical com ponent 11 Periodically delime coils as per instructions 12 Check to see that engine is properly lubricated It is advisable periodically to visually inspect the burner Check air inlet to make sure it is not clogged or blocked Wipe off any oil spills and keep equipment clean and dry The flow of combustion and ventilating air to the b
4. uj T lt t 2 t a HOSE amp SPRAY GUN ASSEMBLY PARTS LIST ITEM PARTNO DESCRIPTION QTY ITEM DESCRIPTION QTY 1 9 802 166 0 Coupler 3 8 Female 1 4 83 SSVPKIT A Repair Kit AL 9 802 100 0 A O Ring 3 8 Stainless Seat 1 Replacement Only 1 5 9 802 165 0 Coupler 1 4 Male 1 8 917 057 0 Hose 3 8 x 50 1 9 802 096 0 AO Ring Replacement Only 1 8 751 234 0 Gun Shut Off Landa 6 9 802 286 0 Nozzle 1 8 Soap 5000 PSI 10 5 GPM 1 Brass 1 4 8 711 308 0 VP Wand w Coupler A Not Shown Soap Nozzle 1 24 8 920 098 0 LANDA PDHW Service REV 8 12 SPECIFICATIONS LANDA BURNER SPECIFICATIONS Model Burner Fuel Pump Fuel Number Assy No Fuel Nozzle Transformer Burner Motor Solenoid Coil Electrode Solenoid Coil 1 110 060 0 8 918 919 0 8 717 273 0 8 919 116 0 8 751 074 0 8 100 794 0 8 751 342 0 8 700 794 0 1 110 061 0 8 918 919 0 8 717 273 0 8 919 116 0 8 751 074 0 8 700 794 0 8 751 342 0 8 751 794 0 1 110 062 0 8 750 777 0 8 717 366 0 9 803 060 0 9 803 056 0 9 802 650 0 8 704 110 0 9 802 640 0 1 110 063 0 8 750 777 0 8 717 366 0 9 803 060 0 9 803 056 0 9 802 650 0 8 704 110 0 9 802 640 0 D m gt m D Fi im e 5 O 25 8 920 098 0 LANDA PDHW Service REV 8 12 m I lt 2 a te S Lu gt m 7 26 LANDA Sure Fire Replacement Parts For best performance specify genuine
5. 1 Brass 1 19 9 802 259 0 Hose 1 2 Push On 15 Z 8 750 2990 Unloader VRT3 8 GPM 20 9 802 1260 Plug 1 2 Jic Flare 639 8 1 ae 21 8 705 974 0 Nipple 3 8 Hex Steel 1 MEN 22 9802 7440 10MM x 20MM HH Zinc 4 i 23 8 718 961 0 Washer M10 Splt Rng Lck 9 9 802 036 0 1 2 JIC x 3 8 NPT 10 9 802510 Swivel 1 2 Barb x 1 2 Jic 24 9 802 807 0 Washer 3 8 SAE Flat Zinc 4 FEM Brass 4 25 8 706 902 0 Nipple 3 4 Jic x 1 2 Pipe 1 11 8 706 168 0 Elbow 3 8 MPT P N TF 26 9 802 261 0 Hose 3 4 Push On 48 3529 x 6 1 27 9 802 1520 Swivel 3 4 SAE FEM 12 9 802 2590 Hose 1 2 Push On 11 Push On 2 21 8 920 098 0 LANDA PDHW Service REV 8 12 Pu SIS S SIS S SIS SIS SS RSS RSS 554 565 SIS RIS SIS SeSsSssssssssssy Su SIS SS SIS SIS SS ss es 89200980 12 CHASSIS ASSEMBLY EXPLODED VIEW 8 920 098 0 LANDA PDHW Service REV 8 12 ER EAE EIE WANN 22 CHASSIS ASSEMBLY EXPLODED PARTS LIST 79 JJ h ITEM PART NO DESCRIPTION QTY 17 1 8 900 271 0 Label Landa Logo 16 x 4 75 il m 2 8 750 246 0 Screw 1 4 x 1 2 NC Whiz Loc Blk CAD 30 gt 8 751 836 0 Screw 1 4 x 1 2 NC 7 Whiz Loc 55 30 3 8 920 086 0 Panel PDHW Front 1 J 8 920 154 0 Panel PDHW Front SS 1 4 8 920 090
6. 17 9 802 727 0 3 8 x 1 3 4 Tap 2 18 8 707 019 0 Hose Barb 1 2 Barb x 3 8 NPT 1 19 9 802 259 0 Hose 1 2 Push on FT 43 20 8 750 095 0 Thermostat 120 C 240 F 1 21 8 725 553 0 Nipple 3 8 x 8 1 22 8 725 944 0 Rupture Disk 8000 1 23 9 184 030 0 Spacer Rupture Disk 1 24 8 706 248 0 Plug 3 8 NPT 1 25 8 706 172 0 Elbow 1 2 Female Steel 1 8 920 098 0 LANDA PDHW Service REV 8 12 V m QO m S gt m S m gt 17 SERVICE MANUAL PRESSURE WASHER 18 CONTROL BOX EXPLODED VIEW To Flow Switch To Generator To Engine 8 920 098 0 LANDA PDHW Service REV 8 12 CONTROL BOX EXPLODED VIEW PARTS LIST ITEM PARTNO DESCRIPTION QTY ITEM PARTNO DESCRIPTION 1 8 919 974 0 Control Back PDHW 1 29 9 802 485 0 Circuit Breaker 8 919 975 0 Control Back PDHW SS 1 DC Models Only 2 8 919 976 0 Control Front PDHW 1 30 9 802 762 0 Screw 10 32 x 1 1 4 8 919 977 0 Control Front PDHW SS 1 9 802 763 0 Screw 10 32 x 1 1 4 SS 3 8 920 210 0 Panel Control PDHW AC 1 31 9 802 695 0 Nut 10 32 8 920 182 0 Panel Control PDHW AC SS 1 9 802 696 0 Nut 10 32 Kep SS 8 920 181 0 Panel Control PDHW DC 1 32 9 802 470 0 Relay 12V Picker 8 920 289 0 Panel Control PDHW DC SS 1 DC Models Only 4 9 802 514 0 Strain Relief LT STR 1 2 NPT 33 9 800 040 0 Label GN
7. Replace fuel filter and drain tank every 100 hours of operation All burner combustion system designs are geared toward the use of commercial grade diesel fuels As such use of fuels other than those designated DF i e DF2 No 2 Diesel Fuel will result in degradation of performance and or reduction in component life It is understood that applications in certain situations re quire the use of fuels other than No 2 diesel fuel See list of various fuels and comments pertaining to each Diesel engines are designed to operate on No 2 diesel fuel However some geographical areas change the diesel fuel supply depot to No 1 diesel fuel in the winter months because of the col winter temperatures No 2 diesel fuel provides maximum viscosity and lubricity but can have waxing problems at lower temperatures We expressly recommend the use of No 2 diesel fuels when temperatures are at or above 14 F We recom mend that No 1 diesel fuel be used when temperatures are at or below 14 F The use of either EPA high sulfur off highway diesel fuel or EPA low sulfur on highway fuel for non CARB certified engines is allowed CARB certified engines must consume only EPA low sulfur diesel fuels conforming to EPA 40 CFR 86 113 94 We do not recommend the use of heating oil blended fuel waste engine oil or low grade diesel fuel of any kind The use of aviation fuels JP4 JP5 or JP8 must be approved on an application basis and is not recomm
8. Top Stainless 1 w Strainer 1 38 9 802 071 0 Trim 750 33 5 9 802 254 0 Hose 1 4 Push On 28 39 8 920 286 0 Wiring Harness PDHW 1 6 9 802 708 0 Screw 5 16 x 3 4 2 40 9 802 708 0 Screw 5 16 x 3 4 7 8 709 069 0 Clamp Screw 1 Whiz Loc 2 8 751 837 0 Screw 5 16 x 3 4 8 8 706 941 0 Hose Barb 1 4 Barb x MPT Whiz Loc SS 2 Brass 1 41 9 802 254 0 Hose 1 4 Push On 36 9 8 709 116 0 Clamp 40 48 2 10 9 802 776 0 Nut 5 16 ESNA NC 6 9 802 777 0 Nut 5 16 ESNA NC SS 6 11 8 718 980 0 Washer 5 16 Flat SAE 6 9 802 805 0 Washer 5 16 Flat SAE SS 6 12 8 919 956 0 WLMT Fuel Tank PDHW 1 8 919 957 0 WLMT Fuel Tank PDHW SS 1 13 9 802 082 0 Cap Fuel Plastic H60 AV1 1 14 9 803 604 0 Sleeve Fuel Level Switch 1 15 8 750 574 0 Gauge Fuel Level 19 1 16 8 751 448 0 Diptube Assy Plastic 19 50 Long 1 17 9 802 054 0 Elbow 1 4 Zinc 1 18 6 390 126 0 Clamp Hose 46 54 ST 5 19 9 802 053 0 Bushing Fuel Line Rubber 3 20 8 706 246 0 Plug 1 4 Allen Counter Sunk 1 21 8 751 816 0 Mount Rubber 6 22 9 802 255 0 Hose 3 16 Push on 48 23 9 802 767 0 Screw 3 8 x 3 4 NC Whiz Loc Flange 6 8 751 864 0 Screw 3 8 x 3 4 NC Whiz Loc Flange SS 6 24 8 932 960 0 Label Diesel Fuel 1 25 9 802 728 0 Bolt 3 8 16 x 2 HH Zinc 2 8 718 668 0 Bolt 3 8 16 x 2 HH SS 2 26 9 802 781 0 Nut 3 8 NC Whiz Loc Flange 8 9 802 788 0 Nut 3 8 NC Whiz Loc Flange SS 8 27 9 802 503 0 Cable Battery 32 Red 4GA 1 28 9 802 504 0 Cable Batte
9. 0 Washer 3 8 Sae Flat Zinc DC Models AC Models Washer 3 8 Sae Flat SS DC Models AC Models 10 8 725 549 0 8 751 705 0 Bolt 3 8 x 7 1 2 HH DC Models AC Models Bolt 3 8 x 7 1 2 HH SS DC Models AC Models A 11 8 719 047 0 Washer Nylon 281 Id x 1 OD x 25 THK DC Models AC Models 12 9 802 207 0 Clamp Wire Tube 13 14 8 751 395 0 8 917 387 0 8 920 161 0 Generator Voltmaster AB30 Mount Pump Rail Wlmt DC Models AC Models Mount Pump Rail Wimt SS DC Models AC Models N O N 15 8 752 028 0 Muffler Hapco Kubota Z602 16 8 751 814 0 Hose Air Intake Kubota Diesel N 8 920 098 0 LANDA PDHW Service REV 8 12 ITEM PARTNO DESCRIPTION 17 8 920 257 0 Wimt Bracket Air Cleaner Kubota 8 920 292 0 Wimt Bracket Air Cleaner Kubota SS 18 9 802 708 0 Screw 5 16 x 3 4 NC Whiz Loc Flange DC Models AC Models 8 751 837 0 Screw 5 16 x 3 4 NC Whiz Loc Flange SS DC Models AC Models 19 9 802 778 0 Nut 5 16 Whiz Loc Flange 8 718 887 0 Nut 5 16 Whiz Loc Flange SS 20 8 715 633 0 Bushing H x 7 8 AC Models 21 9 802 405 0 Bushing P2 x 1 1 8 AC Models 9 802 400 0 Bushing H x 1 1 8 DC Models 22 9 802 403 0 Bushing H x 25 MM 23 9 802 378 0 Pulley BK 34 H AC Models 24 9 802 392 0 Pulley 3 34 AC Models 9 802 382 0 Pulley 2 BK 34H DC Models 25 9 802 391
10. 0 Panel PDHW 1 m 8 920 158 0 Panel PDHW Top SS 1 S 5 8 920 159 0 Panel PDHW Back 1 m 8 920 160 0 Panel PDHW Back SS 1 6 8 920 113 0 Cover Radiator Cap 1 8 920 291 0 Cover Radiator SS 1 7 8 920 088 0 Panel PDHW Right 1 8 920 156 0 Panel PDHW Right SS 1 8 9 801 367 0 Label Instructions Warning PDHW 1 9 8 920 243 0 Hinge Piano 25 25 OAL SS 1 10 8 751 055 0 Rivet Aluminum 3 16 Dia 062 125 Grip 14 11 8 919 974 0 Control Back PDHW 1 8 919 975 0 Control Back PDHW SS 1 12 8 920 087 0 Panel PDHW Left 1 8 920 155 0 Panel PDHW Left SS 1 13 8 712 353 0 Nozzle SAQCMEG 0005 Red 1 8 712 354 0 Nozzle SAQCMEG 1505 Yellow 1 8 712 355 0 Nozzle SAQCMEG 2505 Green 1 8 712 356 0 Nozzle SAQCMEG 4005 White 1 14 8 751 128 0 Handle Locking Vector T HNDL 1 15 8 718 813 0 Screw 10 32 x 1 2 BH SOC Ss 4 16 8 718 860 0 Nut 10 32 ESNA SS 4 17 9 802 074 0 Nut 1 4 Square Head Grommet Nylon 31 18 9 800 021 0 Label Hot Water 1 19 9 802 064 0 Grommet Rubber Nozzle Holder 4 20 9 802 746 0 Screw 1 4 20 x 1 2 Thumb 1 21 9 800 006 0 Label Hot 1 22 9 800 020 0 Label Cold Water Inlet 1 23 Serial Plate 1 24 9 800 034 0 Label Clear Lexan 1 25 8 932 968 0 Label Intended for Outdoor Use 1 26 9 802 071 0 Trim 750 12 23 8 920 098 0 LANDA PDHW Service REV 8 12 HOSE amp SPRAY GUN ASSEMBLY pecifications 14
11. TVANVW FINNS YHFHSVM FAHNSSAUdd 300 475 750 1000 8 5 8 8 S 3 o o 750 1200 1100 1000 1400 1800 2300 Milk Cooler Mixer 3 1 2 Cubic Feet Motors Belt Sander Disk Sander Orbital Sander Chain Saw 1200 1200 2600 2600 2600 1200 3400 1200 2200 950 2600 1200 3000 1500 10 Circular Saw 3900 2000 Jig Saw 400 300 Cut off Saw 3500 2500 Screwdriver 800 550 150 400 500 65 1000 1500 1 6 Circular Saw 7 1 4 Circular Saw 8 1 2 Circular Saw 1300 1750 2500 3750 5000 2250 2850 4100 5250 Sump Pump Water Pump Submersible 3 000 GPH 5 000 GPH 10 000 GPH 15 000 GPH i 3000 GPH 5 000 GPH 10 000 GPG 15 000 GPH 750 1100 1600 3 8 3 5 gt S 3 c e 3 B 8 920 098 0 LANDA PDHW Service REV 8 12 31 ui lt t 5 a S 5 gt 4 32 VRT3 UNLOADER EXPLODED VIEW AND PARTS LIST 8 750 297 0 8 GPM 2320 PSI 8 750 298 0 8 GPM 3630 PSI 8 750 299 0 8 GPM 4500 PSI ITEM PART NO DESCRIPTION QTY 25 8 750 712 0 Outlet Fitting 1 18 8 750 713 0 Knob Unloader 1 8 750 709 0 Repair Kit VRT3 2320 3630 PSI 8 750 710 0 Repair Kit VRT3 4500 PSI Kit Items 1 4 8 12 16 21 22 Unloader Adjustment Procedures Remove lock nut Item 19 Remove adjustment knob Item 18 Loosen the two 2 nuts
12. as often IN OIL WATER Piston packing worn Check and replace if necessary DRIPPING O Ring plunger retainer worn Check and replace if necessary PROM Cracked piston Check and replace if necessary UNDER PUMP Pump protector Lower water supply pressure Do not run with spray gun closed longer than 2 minutes 8 920 098 0 LANDA PDHW Service REV 8 12 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION OIL DRIPPING Check and replace if necessary EXCESSIVE Irregular functioning of the valves Check and replace if necessary VIBRATION IN DELIVERY LINE DETERGENT Air leak Tighten all clamps Check detergent NOT DRAWING lines for holes Restrictor in float tank is missing Replace restricter Check for proper orifice in restrictor Filter screen on detergent suction Clean or replace hose plugged Dried up detergent plugging Disassemble and clean thoroughly metering valve High viscosity of detergent Dilute detergent to specifications Hole in detergent line s Repair hole Low detergent level Add detergent if needed NORMALLY BUT of air seepage ON INSTALLATION necessary See serial plate for proper size BURNER MOTOR Defective control switch Replace switch Check and Ur NN or tighten wiring Defective burner motor burner motor Replace motor motor RELIEF VALVE Relief valve defective Replace or repair LEAKS WATER 9 m 5 E 2 m D ims S S
13. solution should be allowed to circulate 2 4 hours or until the color changes 8 920 098 0 LANDA PDHW Service REV 8 12 MAINTENANCE amp SERVICE Step 4 After circulating solution flush the entire sys tem with fresh water Clean out float tank and then reinstall wand assembly to spray gun Removal of Soot and Heating Coil In the heating process fuel residue in the form of soot deposits may develop between the heating coil pipe and block air flow which will affect burner combustion When soot has been detected on visual observation the soot on the coil must be washed off after following the coil removal steps See Coil Removal on page 17 Rupture Disk If pressure from pump or thermal expansion should exceed safe limits the rupture disk will burst allowing high pressure to be discharged through hose to ground When disk ruptures it will need to be replaced Torque new rupture disk to 35 ft Ibs Fuel Diesel fuel must be clean fresh meet fuel specifica tions and be sourced from a known and reputable supplier Clean fresh and properly specified diesel fuel will provide assurances of maximum engine per formance and maximum fuel injection system longevity The use of out of spec dirty or questionable quality diesel fuel will result in engine performance and start ability problems as well as reductions in engine and fuel injection system life Use clean fuel oil that is not contaminated with water and debris
14. ve Hdd 112 GVSYHL v LX 8 MIYOS 01006678 ee 211 5061 NO HSNd ONIH 0 S87 0978 26 N33H9 HOIVOIQNI 1 0028 0578 06 ASZL N33H9 HOLVOIGNI 1 0618 0578 06 82 N33H9 HOLWOIGNI 1 0818 0578 06 Avi N33H9 HOLVOIGNI 1 0718 0978 oe 310d S vNIWH3L 4OOT18 0911 0628 62 H3AOO 0295 0578 sz 13 5 9 079 8168 zz H3q1n0Hs 8 1 Ovel 1978 92 OILSW1d lt 820 31OH ONId 0068 0578 92 uondii5s dq 27 OILSW1d lt 80 31OH 0991 1078 vc HOLINOI 091 6168 ez NOEZ HOLINOI 0501 6168 ez H3NHn8 HOLINOI 0711 6168 ez NOILIND 3aqOH10313 0276 1578 OV 3aog103 13 0877 0978 12 wh 31ZZON aqOH1O313 05250678 6 31ZZON 300410713 0925 05 8 3SNV1T4 0960 2578 si wt YANYUNE YNY O vEd 2sz 8 vL AANISSY 3NI1T3nd 00006978 t ldN 8 LX 3HV14 OAC HOLO3NNOO 0 srs 0978 zb ONOT LdN 8 1 X dHV ld 93A HOLO3NNOO 07959 0978 L 529 5114 SHOR ELE X ZF Z X Sy Nv4 Ovcz0 1978 6 529 9114 3HO8 Z l eve X g v NYa o 0ce 0978 6 u9 L S X 91 6 XIT
15. 0 Connecting Rod Screw 6 49 9 803 194 0 O Ring 2 62 152 07 1 50 9 803 166 0 Cover 1 S 51 9 803 197 0 Gasket G3 8 1 n 52 9 803 202 0 Sight Glass G3 4 1 53 9 802 939 0 Cover Screw 5 Part available in kit See below REPAIR KIT NUMBER 8 916 488 0 8 916 487 0 8 916 322 0 8 916 323 0 9 802 607 0 9 802 611 0 Plunger U Seal U Seal Packing Assy Plunger 20mm Plunger 20mm U Seal 20mm LT 4040 1 U Seal LT 4040 1 Packing Assy LT 4040 1 Plunger LT 6035 1 22mm LT 6035 1 22mm LT 6035 1 22mm KIT DESCRIPTION LT 4035 1 LT 5030 1 LT 4035 1 LT 5030 1 LT 4035 1 LT 5030 1 ITEM NUMBERS 4 6 8 4 5 6 7 8 Pr 38 39 38 39 4 6 8 9 10 4 5 6 7 8 9 10 NUMBER OF CYLINDERS KIT WILL SERVICE REPAIR KIT NUMBER 9 802 603 0 9 802 606 0 Complete Valve Plunger Oil Seals KIT DESCRIPTION all pumps all pumps ITEM NUMBERS NUMBER OF CYLINDERS KIT 3 WILL SERVICE 29 8 920 098 0 LANDA PDHW Service REV 8 12 ui lt t 5 a 5 gt 4 AB30 VOLTMASTER GENERATOR AB30 VOLTMASTER ASSEMBLY PARTS LIST 30 ITEM PARTNO DESCRIPTION QTY ITEM PARTNO DESCRIPTION QTY 1 9 802 428 0 Cord Serv 12 3 SJOWA ft 4 6 8 752 181 0 Capacitor 25MF AB30 1 2 9 802 514 0 Strain Relief 1 7 8 752 182 0 Guard Fan AB30 7 3 8 752 178 0 Breaker Circuit 20A AB30 1 8 8 752 183 0 Cover End AB30 1 4 8 752 179 0 Recti
16. 0 Pulley 2BK 100 H 26 8 715 702 0 Belt BX 41 27 8 715 695 0 Belt BX 34 AC Models 28 9 802 756 0 Screw 5 16 x 1 Whiz Loc Flange DC Models 2 AC Models 9 8 751 874 0 Screw 5 16 x 1 Whiz Loc Flange SS DC Models 2 AC Models 9 29 8 920 092 0 Bracket Engine Kubota Left 1 8 920 168 0 Bracket Engine Kubota Left ss 1 30 8 920 242 0 Riser Pump Rail 2 8 920 288 0 Riser Pump Rail SS 2 31 8 920 239 0 Plate Generator Mount PDHW 1 8 920 313 0 Plate Generator Mount PDHW SS 1 32 9 802 776 0 Nut 5 16 ESNA NC 1 8 920 777 0 Nut 5 16 ESNA NC SS 1 33 9 802 503 0 Cable Battery 32 Red 4 GA 1 34 8 751 857 0 Filter Oil Kubota Replacement Part 1 35 9 802 504 0 A Cable Battery 36 Black 4 GA 1 36 8 751 740 0 Bushing 3 8 NPT x 22MM 1 gt m QO m S gt m 2 E o m gt m 15 tr ui lt t 5 a 5 E E gt 4 16 POWER PLATFORM EXPLODED VIEW PARTS LIST A Not Shown ITEM DESCRIPTION QTY 37 9 802 151 0 Swivel 1 2 Barb x 1 2 JIC 1 38 9 802 259 0 Hose 1 2 Push On 17 39 9 802 126 0 Plug 1 2 JIC 1 40 8 920 241 0 Plate Throttle 1 41 8 718 608 0 Bolt 1 4 20 x 1 1 2 1 42 9 802 775 0 Nut 1 4 20 Whiz 2 43 8 706 828 0 Elbow 3 8 Street 1 44 8 707 019 0 1 2 Barb x 3 8 NPT 1 45 8 751 826 0 Switch Thermo Replacement Part 1 46 8 751
17. 3 8 1 3 See Kit Plunger Oil Seal 3 21 9 802 925 0 Brass Plug 3 8 1 4 See Kit O Ring 01 78 x 31 47 3 26 9 802 884 0 Washer 8 5 See Kit Pressure Ring Brass 3 27 9 802 944 0 Hexagonal Screw 8 6 See Kit U Seal Low Pressure 3 28 9 803 182 0 Closed Bearing Housing 1 7 See Kit Intermediate Ring Brass 3 29 9 803 186 0 O Ring 22 62 x 71 12 2 8 See Kit Support Ring Teflon Bronze 3 30 9 803 160 0 Roller Bearing Tapered 2 9 See Kit U Seal High Pressure 3 31 9 803 148 0 Crankshaft GT4040 1 10 See Kit Support Ring 3 5030 1 6035 1 1 11 9 802 926 0 Brass Plug 1 2 1 9 803 149 0 Crankshaft GT 4035 1 12 9 803 199 0 Copper Washer 1 2 1 13 9 802 933 0 Manifold Head 1 S Eee 147 See Kit O Ring 02 62 x 17 13 34 9 803 139 0 Grankshat Seal 1 15 See Kit Valve Assembly 6 16 See Kit O Ring 22 62 x 20 29 6 36 eos Bearing Housing 1 17 9 802 928 0 Valve Plug 6 8 al 18 9 802 943 0 Manifold Stud Bolt 8 Popper Spacer 3 8 920 098 0 LANDA PDHW Service REV 8 12 LT 1 SERIES PUMP PARTS LIST CONT 3 m ITEM PART NO DESCRIPTION QTY o 39 See Kit O Ring 21 78 10 82 3 lt 40 See Kit Teflon Ring 3 i 41 See Kit Plunger 3 42 Kit Copper Spacer 3 gt 43 9 803 143 0 Plunger Rod 3 44 9 803 157 0 Connecting Rod 3 m 45 9 802 912 0 Snap Ring 6 46 9 802 915 0 Connecting Rod Pin 3 m 47 9 802 889 0 Spring Washer 6 48 9 802 937
18. 4 BHSOC CS SS 3 28 9 802 785 0 Nut 8 32 3 8 718 866 0 Nut 8 32 Kep SS 3 8 920 098 0 LANDA PDHW Service REV 8 12 V m m 5 gt m 2 o m gt m 19 BURNER FUEL FILTER ASSEMBLY EXPLODED VIEW 11 4 To Burner 16 To Fuel 1 Tank 8 PL 89200890 8 3 14 tr ui lt t 5 a 5 gt 42 2 e 7 To Filter 15 QV Je To Fuel Tank 17 To Engine To Fuel Tank Lower Outlet ITEM PART DESCRIPTION QTY ITEM PART NO DESCRIPTION QTY 1 8 750 777 0 Burner Beckett SM 120V 12 8 920 245 0 Wlmt Bracket Fuel Filter Motor SOL 1 PDHW 1 8 918 919 0 Burner KNA 12V HORZ F22 8 920 293 0 Wlmt Bracket Fuel Filter 12 24V SOL ST 1 PDHW SS 1 2 6 390 126 0 Clamp Hose 46 54ST 6 13 9 802 708 0 Screw 5 16 x 3 4 NC Whiz Loc Flange 2 3 8 706 941 0 2 Barb x 8 751 837 0 Screw 5 16 x 3 4 NC EM 2 Whiz Loc Flange SS 2 B VAT PRONUS 14 8 920 257 0 Bracket Air Filter Kubota 1 5 8 709 158 0 Filter Landa Fuel Oil H20 8 920 292 0 Wimt Bracket Air Filter Separator 2 Kubota SS 1 6 9 802 514 0 Strain Relief LT STR 1 2 15 9 802 254 0 Hose 1 4 Push On Ft 39 NPT 23 45D 1 u gt _ 16 9 802 254 0 Hose 1 4 Push On Ft 28 7 _ 9 802 254 0 Hose 1 4 Push On 16 17 9 802 254 0 Hose 1 4 Push On Ft 36
19. 8 8 717 366 0 Fuel Nozzle 2 50x90BAC 1 18 9 802 254 0 Hose 1 4 Push On Ft 15 8 717 273 0 Fuel Nozzle 2 00 x 90BDC 1 19 9 802 424 0 Cord 16 4 AC Models 60 9 9 801 265 0 Label Landa Surefire 1 9 802 428 0 Cord 12 3 DC Models 60 10 8 706 780 0 Nipple 1 4 HEX 2 11 9 802 767 0 Screw 3 8 x 3 4 Whiz 2 8 751 864 0 Screw 3 8 x 3 4 Whiz SS 2 20 8 920 098 0 LANDA PDHW Service REV 8 12 UNLOADER PUMP ASSEMBLY EXPLODED VIEW To Coil Inlet 17 Unloader To __ Unloader V m o m S gt m S m gt To Water 26 Inlet 89200890 9 UNLOADER amp PUMP ASSEMBLY PARTS LIST ITEM PARTNO DESCRIPTION QTY ITEM PARTNO DESCRIPTION QTY 1 8 904 883 0 Pump Landa 1760351 1 13 9 802 039 0 Elbow 1 2 JIC x 3 8 MPT 1 6 3500 1540 RPM 1 14 9 802 870 0 Block Unloader 3 8 x 3 8 1 25 2 8 917 387 0 Mount Pump Rail Wimt 1 Steel 1 8 920 161 0 Mount Pump Rail Wimt SS 1 715 8707 2540 Pump Protector 3 8 145 1 3 8 706 860 0 1 2 Street Brass 1 16 8 918 210 0 Hose 3 8 x 16 2 Wire 4 8 706 984 0 Adapter 1 2 FPT x 1 2 MPT Pressure Loop 1 Brass 1 17 8 918 211 0 Hose 3 8 x 40 2 Wire 5 8 933 006 0 Switch Flow MV 60 1 Pressure Loop 1 6 9 802 128 0 Nipple 1 2 JIC x 1 2 MPT Pipe 18 9 802 129 0 Elbow 1 2 Jic x 3 8 90
20. 870 0 Screw 10MM x 25MM 8 47 9 802 251 0 Hose 1 4 Vinyl 24 48 8 751 823 0 Washer 7 16 Flat SS 8 49 9 802 767 0 Screw 3 8 x 3 4 Whiz Loc 1 50 9 802 781 0 Nut 3 8 Whiz Loc 1 51 8 920 369 0 Bracket Muffler 1 52 9 802 673 0 Key Shaft 1 53 8 751 856 0 Filter Air Kubota Replacement Part 1 54 8 718 961 0 Washer M10 Split Ring 8 8 920 098 0 LANDA PDHW Service REV 8 12 COIL ASSEMBLY EXPLODED VIEW To Flow Switc 89200980 5 7 To Base s of Frame COIL ASSEMBLY EXPLODED VIEW PARTS LIST ITEM PART NO DESCRIPTION QTY 1 9 802 014 0 Nipple 1 2 x 3 Galv Sch 80 2 2 9 196 012 0 Screw 10 x 24 x 1 4 1 3 9 802 170 0 Nipple 3 8 x 3 8 NPT ST 1 4 9 802 883 0 Insulation Front Head No Hole 1 5 9 802 894 0 Insulation Burner Head w Hole 1 6 9 802 896 0 Insulation Blanket No Foil 24 x 57 7 8 933 009 0 Gasket Burner Plate 2 8 9 802 902 0 Insul Blanket Die Cut 28 x 24 x 1 1 9 9 802 781 0 Nut 3 8 Flange Whiz Loc NC 5 10 9 802 807 0 Washer Flat 3 8 2 11 8 916 486 0 Wlmt Bottom Wrap 1 8 916 514 0 Wimt Bottom Wrap SS 1 12 9 803 132 0 Insulation Retainer Plate 2 8 920 290 0 Insulation Retainer Plate SS 2 ITEM PARTNO DESCRIPTION QTY 13 9 802 797 0 Screw SS 10 x 1 2 Hex Head Tek 8 14 8 912 239 0 Coil Landa Dura Sch 80 w Aluminized Steel Wrap 1 15 9 149 003 0 Manifold Coil Outlet 1 16 9 802 043 0 Elbow 1 2 JIC x 1 2 Fem 90 1
21. D 23 450 3 34 9 802 494 0 Bar Jumper 5 8 716 598 0 Strain Relief 18 31 51 Hole 1 35 9 804 072 0 Conduit Wire Cover 6 8 751 4100 02 Keyswitch 36 9 802 754 0 Screw 1 4 x 1 2 NC Whiz Loc Replacement Part 1 Flange 7 8 913 902 0 Key Ring Landa 1 8 751 836 0 Screw 1 4 20 x 1 2 Whiz Loc 8 8 750 095 0 Thermostat 120 C 240 F Flange SS 2 Meter Capillary 1 37 8 716 533 0 Clamp Tie Wrap 9 8 750 097 0 Knob Thermostat 120 C 248 F 1 A Not Shown 10 8 712 190 0 Bezel Plastic Thermostat 915390 1 11 9 802 453 0 Switch Curvette RA901VB B 1 V Carling 1 12 9 802 775 0 Nut 1 4 Flange 2 8 718 817 0 Nut 1 4 Flange SS 2 13 8 750 817 0 Light Indicator Green 14V 4 14 9 802 283 0 Hour Meter 24 240VAC 50 60HZ 1 15 8 751 732 0 Receptacle Electrical GFCI 1 AC Models Only 16 8 751 733 0 Cover Electrical Receptacle 1 AC Models Only 17 8 750 246 0 Screw 1 4 x 1 2 Whiz Loc Black 16 8 751 836 0 Screw 1 4 x 1 2 Whiz Loc Flange SS 16 18 8 718 779 0 Screw 4MM x 6 MM Pan Head 2 19 8 919 979 0 Label Control Panel PDHW 1 20 8 750 819 0 Light Indicator Green125V 1 AC Models Only 21 8 751 412 0 Timer Lamp Quickglow Kubota Replacement Part 1 22 8 751 413 0 Relay Solenoid Kubota Replacement Part 1 23 8 706 755 0 Bushing 5 8 Snap 1 24 9 802 074 0 Nut 1 4 Nylon 16 25 9 802 073 0 Weather Stripping 88 26 9 802 493 0 Block Terminal 16 Pole 1 27 9 802 749 0 Screw 8 32 x 3 4 BHSOC 3 8 718 746 0 Screw 8 32 x 3
22. Disconnect hose from pump to inlet side of the coil 2 Carefully disconnect the thermostat sensor making sure you do not crimp the capillary tube 3 Remove burner assembly from combustion chamber 4 Remove the 3 3 8 bolts from each side of coil and tank assembly these bolts are used to fasten tank to chassis 5 Remove fittings connected to the 1 2 pipe nipples from inlet and discharge sides of coil 6 Remove top tank wrap bend back insulation tabs and fold back blanket 7 Remove bolts that hold down coil to bottom wrap Remove coil 9 Replace or repair any insulation found to be torn or broken 10 Remove insulation retainer plates Coil Reinstallation To reinstall new or cleaned coil reverse steps 9 through 1 8 920 098 0 LANDA PDHW Service REV 8 12 PREVENTATIVE MAINTENANCE MAINTENANCE SCHEDULE Engine or Tew 4o Che Every 100 nous or 15W 40 Change Every 100 hours Every 50 hours or monthly Air Cleaner Battery Level Check monthly Engine Fuel Filter 300 hours or 6 months Clean Fuel Tank s Annually Replace Fuel ECC r uwa Pump Oil inspect Oil level Oil level daily 00050505020 Non detergent SAE10 40W Change After first 50 hours then every 500 hours or annually OIL CHANGE RECORD Check pump oil level before first use of your new Power Washer Change pump oil after first 50 hours and every 3 months or 500 hours thereafter Use SAE 10 40W non detergent Dat
23. PDHW SERVICE MANUAL LANDA 1 110 061 0 1 110 063 0 35624E SS PDHW5 E PDHW5 060 0 1 110 PDHW5 35624E 35624E G SS 062 0 PDHW5 35624E G 1 110 89200980 1 For technical assistance or the dealer nearest you 8 920 098 0 consult our web page at www landa com CONTENTS Troubleshooting 4 7 Maintenance amp Service 8 10 Preventive Maintenance 11 Exploded View amp Parts List 12 13 Power Platform Exploded View amp Parts List 14 16 Coil Assembly Exploded View amp Parts List 17 Control Box Exploded View amp Parts List 18 19 Burner Fuel Filter Exploded View amp Parts List 20 Unloader Pump Exploded View amp Parts List 21 Chassis Exploded View amp Parts List 22 23 Hose amp Spray Gun Assembly amp Parts list 24 Specifications 25 Landa Surefire Replacement Parts 26 27 LT Pump Exploded View and Parts List 28 29 AB30 Voltmaster Generator Assembly amp Parts List 30 Wattage Charts 31 VRT 3 Unloader Exploded View and Parts List 32 Warranty 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 both serial number and date of purchase and keep in a safe place for future reference 8 920 098 0 LANDA PDHW Service REV 8 12 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION LOW Faulty pressure gauge Install new gauge OPERATING In
24. Sure Fire replacement parts uf S 8 920 098 0 LANDA PDHW Service REV 8 12 PRESSURE WASHER SERVICE MANUAL LANDA Sure Fire Replacement Parts For best performance specify genuine Sure Fire replacement parts YANN 13750 0956 1078 v9 OGAcL HOLINOI 138v1 07v 2086 ss AOEZ HALINDI 138v1 0996 7086 es H31IN I 138v1 0596 7086 ss HVIAWHV3IO 38Vv1 0 8ve 208 6 cS MOVIE ALL 318gvO 0015 2086 6 3qvdS IvNIWH3L 019 9178 OS SYSEWNN 49018 TVNINH3L 31v d 0501 6168 6v 5 1 1391 0 2 1086 sv H3Nuna WVHOVIC I38v1 Ovr 086 9v Avc A0 c WVHOVIC 9NIHIM I38v1 O v 7086 9v Avc ASLL H3NHR8 WVHOVIC 9NIHIM T38v1 O ve 08 6 9v ASLL AO 2 H3NHn8 WVHOVIC I38v1 0176 7086 9v 0 2 H3Nuna WVHOVIC 9NIHIM T38v1 0 0v 08 6 9v AGLL ASLL H3NHn8 WVHOVIC 9NIHIM T38v1 0666 7066 9v Wwidas 38vl AlddNS H3MOd LOANNOOSIG 38V1 0892 1086 3WvNawvaa38vi lt SIAH3 ll Hd z L X Oz v L N3HOS 01270978 Ov 3 NV14 ZIHM LXOc v L M3HOS 0897 0978 6 NIANNOY v LXcE 0L M3HOS 0 918 0978 86 3ONV 4 ZIHM 8 S X 26 01 MIYOS 0027 0878 ze 35NV H ZIHM 2 L X 26 01 MAHOS 0 018 812 8 96 Hd N Z L X 26 8 MIYOS 0978178
25. e Oil Changed No of Operating Hours Brand Name and Month Day Year Since Last Oil Change Type of Oil See above V m m S gt m S m gt m 11 8 920 098 0 LANDA PDHW Service REV 8 12 EXPLODED VIEW 18 To Burner 22 7 Filter X 5 a To Engine Bypass 36 18 kk 30 17 35 7 d ram A 9 To Burner e 26 Z 7 Bypass SERVICE MANUAL PRESSURE WASHER Control Box Starter a To Ground See Fuel Filter Assembly Page 20 To Engine Filter See Power Platform Page 14 See Air Filter Assembly Page 14 See Fuel Filter Assembly Page 20 Unloader Assembly Page 21 12 8 920 098 0 LANDA PDHW Service REV 8 12 EXPLODED VIEW PARTS LIST ITEM PARTNO DESCRIPTION QTY ITEM PARTNO DESCRIPTION QTY 1 8 919 950 0 WLMT Skid PDHW 1 32 8 718 812 0 Screw 10 32 X 3 4 2 WENT 1 33 8 706 902 0 Nipple 3 4 JIC 1 2 _ 1 2 8 706 600 0 Battery M 100 Large il 34 9 802 696 0 10 32 NF 2 8 920 173 0 WLMT Support Coil PDHW 7 55 1 36 9 802 254 0 Hose 1 4 Push on 39 4 9 802 146 0 Swivel 1 2 MP x 3 4 37 8 912 192 0 Wrap
26. en automatically reset itself The thermostat sensor is located on the discharge side of the heat ing coil The thermostat control dial is located on the control panel Pumps Use only SAE 10 40W non detergent oil Change oil after first 50 hours of use Thereafter change oil every three months or at 500 hour intervals Oil level should be checked through use of dipstick found on top of pump or the red dot visible through the oil gauge win dow Oil should be maintained at that level Cleaning of Coils In alkaline water areas lime deposits can accumulate rapidly inside the heating coil This growth is increased by the extreme heat build up in the coil The best pre ventative for liming conditions is to use high quality cleaning detergents In areas where alkaline water is an extreme problem periodic use of Landa Deliming Powder Landa Part 8 718 911 0 will remove lime and other deposits before coil becomes plugged See Deliming instructions for use of Landa Deliming Powder Deliming Coils Periodic flushing of coils or optional float tank is recommended Step 1 Fill a container with 4 gallons of water then add 1 Ib of deliming powder Mix thoroughly Pour mixture into float tank Step 2 Remove wand assembly from spray gun and put spray gun into float tank Secure the trigger on the spray gun into the open position Step 3 Turn engine on allowing solution to be pumped through coils back into the float tank The
27. ended for broad range commercial applications Fuel Control System This machine utilizes a fuel solenoid valve located on the fuel pump to control the flow of fuel to the combus tion chamber The solenoid which is 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 situation thereby eliminating high and low water temperatures and the combustion smoke normally associated with machines incorporating a spray gun Periodic inspection to insure that the fuel solenoid valve functions properly is recommended This can be done by operating the machine and checking to see that the burner is not firing when the spray gun is in the OFF position Fuel Pressure Adjustment To control water temperature adjust fuel pressure by turning the regulating pressure adjusting screw clockwise to increase counterclockwise to decrease Do not exceed 200 psi NOTE When changing fuel pump a bypass plug must be installed in return port or fuel pump will not prime Burner Nozzle Keep the tip free of surface deposits by wiping it with a clean solvent saturated cloth being careful not to plug or enlarge
28. essure washers are warranted by LANDA to the original purchaser to be free from defects in materials and workmanship under normal use for the periods specified below This Limited Warranty is subject to the exclusions shown below is calculated from the date of the original purchase and applies to the original components only Any parts replaced under this warranty will assume the remainder of the part s warranty period SEVEN YEAR PARTS AND ONE YEAR LABOR WARRANTY Components manufactured by LANDA such as frames handles top and bottom wraps float tanks fuel tanks belt guards and internal components on the oil end of Landa manufactured pumps General AR Liberty Comet and swash and wobble plate pumps have a one year warranty Heating coils have a five year warranty from date of original machine purchase ONE YEAR PARTS AND ONE YEAR LABOR WARRANTY All other components excluding normal wear items as described below will be warranted for one year on parts and labor Parts and labor warranty on these parts will be for one year regardless of the duration of the original component manufacturer s part warranty WARRANTY PROVIDED BY OTHER MANUFACTURERS Motors generators and engines which are warranted by their respective manufacturers are serviced through these manufacturers local authorized service centers LANDA is not authorized and has no responsibility to provide warranty service for such components WHAT THIS WARRANTY DOES NOT COVER This
29. fier Bridge AB30 1 9 8 752 184 0 Cover Rotor AB30 1 5 8 752 180 0 Cover Electrical Box AB30 1 10 8 752 185 0 Holder Brush AB30 1 8 920 098 0 LANDA PDHW Service REV 8 12 WATTAGE CHARTS ELECTRIC MOTOR CHART Approximate Current Requirements STARTING WATTS 275 400 450 850 HORSE RUNNING UNIVERSAL 79 s 4 o k a lt o 400 500 750 EN EN EM NN eo e 799 NOTE For pumps air compressors air conditioners inverters add at least 25 to starting current 3 4 1 4 ajv N EXTENSION CORD CHART CONTINUOUS LOAD use either Amps or Watts below MINIMUM GAUGE AWG WATTS 80 720 0 50 ft a 9 amp s mo e eo wo w ee 4e s so wo w 30 soo zo 9 s 6 95 9 s 4 ao o 8 6 2 90 moo 6 4 2 so zo 4 2 THE FORMULA FOR WATTAGE IS Volts x Amperage Wattage EXAMPLE 120v x 10 1200 APPROXIMATE POWER Requirements for Equipment WATTAGE REQUIREMENTS STARTING RUNNING 1100 3600 1800 3HP 4800 2400 1 4 3600 Floodlight 1000 ernas orars Heater aden Porabie dd 150 000 BTU 1875 625 Impact Wrench 1 2 750 3 4 EQUIPMENT Battery Charger 10 AMPS 3 4 HP 1 HP 2 HP see motor charts
30. ho must subsequently verify the defect In most cases the part must be returned to LANDA freight prepaid with the claim For warranty service on components warranted by other manufacturer s your Authorized LANDA Dealer can help you obtain warranty service through these manufacturers local authorized service centers LIMITATION OF LIABILITY LANDA S liability for special incidental or consequential damages is expressly disclaimed In no event shall LANDA S liability exceed the purchase price of the product in question LANDA makes every effort to ensure that all illustrations and specifications are correct however these do not imply a warranty that the product is merchantable or fit for a particular purpose or that the product will actually conform to the illustrations and specifications Our obligation under this warranty is expressly limited at our option to the replacement or repair at a service facility or factory designated by us of such part or parts as inspection shall disclose to have been defective THE WARRANTY CONTAINED HEREIN IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING ANY IMPLIED WARRANTY OF MERCANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY LIMITED TO THE DURATION OF THIS WRITTEN WARRANTY LANDA does not authorize any other party including authorized LANDA Dealers to make any representation or promise on behalf of LANDA or to modify the terms conditions or limitations in any way It is
31. ion of air flow and shorting of electrodes Improper electrode setting Check and reset according to diagram in Operator s Manual Fuel not reaching combustion Check fuel pump for proper flow chamber Check solenoid flow switch on machines with spray gun control for proper on off fuel flow control Clogged burner nozzle Clean as required Thermostat faulty or slow engine Increase engine speed RPM to increase voltage Flow switch malfunction Remove test for continuity and replace as needed Flow solenoid malfunction Replace if needed FLUCTUATING Check and replace if necessary PRESSURE Blockage in valve Check and replace if necessary Pump sucking air Check water supply and air seepage at joints in suction line Worn piston packing Check and replace if necessary Engine Altitude The engine is preset for operation at altitudes below 1000 feet above sea level If operated at higher altitudes it may be necessary to adjust the engine Contact your local authorized engine sales and service center for details MACHINE SMOKES Improper fuel or water in fuel Drain tank and replace contaminated fuel Improper air adjustment Readjust air bands on burner assembly Low fuel pressure Adjust fuel pump pressure to specifications Plugged or dirty burner nozzle Replace nozzle Faulty burner nozzle spray pattern Replace nozzle Heavy accumulation of soot on coils Remove coils and burner assembly clean and burner assembly thoroughly M
32. isaligned electrode setting Realign electrodes to specifications Obstruction in smoke stack Check for insulation blockage or other foreign objects Low engine RPM Increase RPM D m gt E 2 m D ims S S 5 3 8 920 098 0 LANDA PDHW Service REV 8 12 Troubleshooting Guide uj I lt t gt d t a TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION LOW WATER Improper fuel or water in fuel Replace with clean and proper fuel TEMPERATURE Low fuel pressure Increase fuel pressure Weak fuel pump Check fuel pump pressure Replace pump if needed allowing heat transfer WATER Incoming water to machine Lower incoming water temperature TEMPERATURE warm or hot TOO HOT Fuel pump pressure too high See specifications for proper fuel pressure Fuel pump defective Replace fuel pump Detergent line sucking air Tighten all clamps Check detergent lines for holes Defective temperature switch Incorrect fuel nozzle size See specifications for proper fuel nozzle page 32 Insufficient water supplied Check water G P M to machine Restricted water flow Check nozzle for obstruction proper size Air in suction line Check water supply WENN NN Broken or weak inlet or Check and replace if necessary 88 Check and replace if necessary PRESENCE Check and replace if necessary OF WATER High humidity in air Check and change oil twice
33. ry 36 Black 4 GA 1 29 8 716 608 0 Treminal Battery Marine 2 30 8 750 435 0 Cap Black Vinyl 365 x 1 2 6 31 9 802 203 0 1 2 RO CLIP Kleinhuis 2 8 920 098 0 LANDA PDHW Service REV 8 12 gt m N m S gt m 2 E o m gt 13 89200890 3 om POWER PLATFORM EXPLODED VIEW See Pump Assembly 8 920 098 0 LANDA PDHW Service REV 8 12 ERAI IE 14 POWER PLATFORM EXPLODED VIEW PARTS LIST ITEM PART NO 1 8 919 952 0 8 919 953 0 DESCRIPTION Wimt Platform Kubota Wlmt Platform Kubota SS QTY 1 1 8 920 091 0 8 920 167 0 Bracket Engine Kubota Right Bracket Engine Kubota Right 55 1 8 718 830 0 Nut 1 2 Flange SS A a 8 751 398 0 Engine Kubota Z602 E3B DEA 2 8 917 389 0 8 920 163 0 Pump Rail Black DC Models AC Models WlImt Pump Rail SS DC Models AC Models 9 802 733 0 8 718 682 0 Bolt 3 8 x 3 1 2 Grade 2 DC Models AC Models Bolt 3 8 x 3 1 2 TAP Grade 2 SS DC Models AC Models a 8 751 414 0 Connector Kit Alternator Replacement Part 1 9 802 814 0 8 719 024 0 Washer 3 8 Split Ring Lock Zinc DC Models AC Models 3 6 Washer 3 8 Split Ring Lock SS DC Models AC Models 3 6 9 802 807 0 8 718 962
34. sufficient water supply Use larger supply hose clean filter at water inlet PRESSURE Old worn or incorrect spray Match nozzle number to machine and or replace nozzle with new nozzle Belt slippage Tighten or replace use correct belt Plumbing or hose leak Check plumbing system for leaks Re tape leaks with teflon tape Faulty or mis adjusted unloader Adjust unloader for proper pressure Install repair valve kit when needed Worn packing in pump Install new packing kit Fouled or dirty inlet or discharge Clean inlet and discharge valves valves in pump Pump sucking air Check water supply and possibility of air seepage Little or no fuel pressure from fuel Increase fuel pressure to specification and or pump replace fuel pump Test with pressure gauge Faulty burner transformer Test transformer for proper arc between contacts Replace as needed continued on Disconnected or short in electrical All wire contacts should be clean and tight No next page wiring breaks in wire Troubleshooting Guide uj I lt t gt t a 8 920 098 0 LANDA PDHW Service REV 8 12 TROUBLESHOOTING BURNER WILL Flex coupling slipping on fuel pump Replace if needed NOT LIGHT shaft or burner motor shaft continued from On Off switch defective Check for electrical current reaching previous page burner assembly with burner switch on Heavy sooting on coil and burner Clean as required can cause interrupt
35. the buyer s responsibility to ensure that the installation and use of LANDA products conforms to local codes While LANDA attempts to assure that its products meet national codes it cannot be responsible for how the customer chooses to use or install the product Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This war ranty gives you specific legal rights and you may also have other rights which vary from state to state LANDA www landa com 8 920 098 0 LANDA PDHW Service REV 8 12 79 JJ m e JJ m E 2 m JJ 3 gt j LANDA Form 8 920 098 0 Revised 8 12 Printed in U S A
36. the nozzle For maximum efficiency replace the nozzle each season Electrode ud Mazza Electrodes Setting See Illustration Below 5 32 Gap 7 16 1 16 Side View Top View 8 920 098 0 LANDA PDHW Service REV 8 12 gt m m S gt m 2 E o m gt m ui lt t 5 a S gt 4 10 MAINTENANCE amp SERVICE Air Adjustment The oil burner on this machine is preset for operation at altitudes below 1000 feet If operated at higher altitudes it may be necessary to adjust the air band setting Adjust air band for 1 or 2 smoke spot on the Bacharach scale A one time initial correction for your location will pay off in economy performance and extended service life If a smoky or eye burning exhaust is being emitted from the stack two things should be checked First check the fuel to be certain that kerosene or No 1 home heating fuel is being used Next check the air adjustment on the burner To Adjust Beckett Burner Start machine and turn burner ON Loosen two locking screws found in the air shutter openings refer to illustration and close air shutter until black smoke appears from burner exhaust vent Note air band position Next slowly open the air shutter until white smoke just starts to appear Turn air shutter halfway back
37. to the black smoke position previously noted Tighten locking screws If the desired position cannot be obtained using only the air shutter lock the air shutter in as close a position Air Shutter Locking Screw Air Band Air Shutter Air Shutter Locking Screw Air Band Locking Screw as can be obtained then repeat the above procedure on the air band setting LANDA Sure Fire Oil Burner Burner Air Adjustment The oil burner on this ma chine is preset for operation at altitudes below 1000 feet If operated at higher altitudes it may be necessary to adjust the air band for a 1 or 2 smoke spot on the Bacharach scale To adjust start machine and turn burner ON Loosen two locking screws found on the air band and close air band until black smoke appears from burner exhaust vent Note air band position Next slowly open the air band until white smoke just starts to appear Turn air band halfway back to the previously noted position Tighten locking screws Burner Air Adjustment Reference Numbers Air Band Air Band Locking Screws CAUTION If white smoke appears from burner exhaust vent during start up or operation discon tinue use and readjust air bands NOTE If a flue is installed have a professional serviceman adjust your burner for a 1 or 2 smoke spot on the Bacharach scale Coil Removal Removal of coil because of freeze breakage or to clean soot from it can be done quickly and easily 1
38. urner must not be blocked or obstructed in any manner The area around the Landa washer should be kept clean and free of combustible materials gasoline and other flammable vapors and liquids Unloader Valves Unloader valves are preset and tested at the factory before shipping Tampering with the factory setting may cause personal injury and or property damage and will void the manufacturers warranty Winterizing Procedure Damage due to freezing is not covered by warranty Adhere to the following cold weather procedures when ever 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 nec essary Store the machine in a heated room If this is not possible then mix a 50 50 solution of anti freeze and water in the float tank Turn the engine on to siphon the anti freeze mixture through the machine If com pressed air is available an air fitting can be screwed into the float tank by removing the float tank strainer and fitting Then inject the compressed air Water will be blown out of the machine when the trigger on the spray gun is opened High Limit Hot Water Thermostat For safety each machine is equipped with a tempera ture sensitive high limit control switch In the event that the water should exceed its operating temperature the high limit control will turn the burner off until the water cools th
39. warranty does not cover the following items 1 Normal wear items such as nozzles spray guns discharge hoses wands quick couplers seals filters gas kets O rings packings pistons pump valve assemblies strainers belts brushes rupture disks fuses pump protectors 2 Damage or malfunctions resulting from accidents abuse modifications alterations incorrect installation im proper servicing failure to follow manufacturer s maintenance instructions or use of the equipment beyond its stated usage specifications as contained in the operator s manual Damage due to freezing chemical deterioration scale build up rust corrosion or thermal expansion Damage to components from fluctuations in electrical or water supply Normal maintenance service including adjustments fuel system cleaning and clearing of obstructions Transportation to service center field labor charges or freight damage WHAT YOU MUST DO TO OBTAIN WARRANTY SERVICE While not required for warranty service we request that you register your LANDA pressure washer by returning the com pleted registration card In order to obtain warranty service on items warranted by LANDA you must return the product to your Authorized LANDA Dealer freight prepaid with proof of purchase within the applicable warranty period If the product is permanently installed you must notify your Authorized LANDA Dealer of the defect Your Authorized LANDA Dealer will file a claim with Landa w
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