Landa MHP4 30324E User Manual Download

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8.913-925.0-T 09/18/17

MHP 3000 & 3500 Series

Hot Water -Gasoline Powered - Diesel/Oil Heated

Operator’s Manual

Pressure Washer

MODELS:

MHP4 30324E

1.110-501.0

MHP4 35324E

1.110-503.0

MHP4 35224E

1.110.502.0

For the Landa Dealer nearest

you, consult our web page at

www.landa.com

Summary of Contents for MHP4 30324E

Page 1: ...Series Hot Water Gasoline Powered Diesel Oil Heated Operator s Manual Pressure Washer MODELS MHP4 30324E 1 110 501 0 MHP4 35324E 1 110 503 0 MHP4 35224E 1 110 502 0 For the Landa Dealer nearest you c...

Page 2: ...2 Landa MHP Operator s Manual 8 913 925 0 T Machine Data Label...

Page 3: ...General Washing Techniques 12 Shutting Down And Clean up 13 Maintenance Storage 14 Preventative Maintenance 14 Maintenance Schedule 18 Oil Change Record 19 Troubleshooting 20 Parts Control Panel 26 L...

Page 4: ...d function of the machine The MAINTENANCE section contains preventive main tenance to keep the machine and its components in good working condition They are listed in this general order Storage Landa...

Page 5: ...he operator in the operator s native language by the purchaser owner making sure that the operator comprehends its contents Owner and or user must study and maintain for future reference the manufactu...

Page 6: ...quids 7 Allow engine to cool for 1 2 minutes before refu eling If any fuel is spilled make sure the area is dry before testing the spark plug or starting the engine Fire and or explosion may occur if...

Page 7: ...freezing could cause malfunction of the machine and result in death serious bodily injury and or property damage Follow storage instructions specified in this manual 17 Inlet water must be clean fresh...

Page 8: ...ine Then open the spray gun to relieve pressure Failure to properly cool down or maintain the heating coil may result in a steam explosion 26 Do not overreach or stand on unstable support Keep good fo...

Page 9: ...r valve fails Unloader Valve Safety device which when the spray gun closes prevents over pressurization NOTE If trigger on spray gun is released for more than 2 minutes water will leak from the pump p...

Page 10: ...ll gasoline tank and check engine oil level Fill fuel oil tank Do not confuse gasoline and fuel oil diesel tanks Keep proper fuel in proper tanks Read engine operator manual for oil and other recommen...

Page 11: ...ine manual turn engine gas shutoff valve if equipped and choke to run position Turn the engine switch to the START position and hold it there until the engine starts NOTE Do not use the electric start...

Page 12: ...Cleaning Tips Pre rinse cleaning surface with fresh water Place detergent suction tube directly into cleaning solution and apply to surface at low pressure for best results limit your work area to se...

Page 13: ...er Open detergent valve pull trigger on spray gun and siphon water for one minute STEP 4 Turn off water supply STEP 2 Turn burner switch off and continue spraying allowing the water to cool below 100...

Page 14: ...asoline in a storage container After Extended Storage CAUTION Prior to restarting thaw out any possible ice from pressure washer hoses spray gun or wand Engine Maintenance During the winter months rar...

Page 15: ...cools Pumps Use only SAE 10W 40 weight non foaming oil Change oil after first 50 hours of use Thereafter change oil every year or at 500 hour intervals Oil level should be checked through use of dips...

Page 16: ...re changes seasonally the fuel temperature in the feed tank and air temperature inlet can impact fuel flow In more extreme tempera tures this local site adjustment may also require different fuel nozz...

Page 17: ...rom it can be done quickly and easily Step 1 Disconnect hose from pump to inlet side of the coil Step 2 Disconnect electrical connection to the thermostat Step 3 Remove quick coupler from discharge si...

Page 18: ...equipment Contact your Landa dealer for maintenance Regular preventative maintenance will add many hours to the life of your pressure washer Perform maintenance more often under severe conditions Main...

Page 19: ...e pump oil after first 50 hours and every month or 500 hours thereafter Use SAE 10W 40 non foaming oil DateOilChanged Month Day Year Estimated Operating Hours Since Last Oil Change DateOilChanged Mont...

Page 20: ...details Slow engine RPM Set engine speed at proper specifications 3400 3600 RPM BURNER WILL NOT LIGHT Continued on next page Little or no fuel Fill tank with fuel Improper fuel or water in fuel Check...

Page 21: ...nt Readjust air bands on burner assembly Low fuel pressure below 140 psi Adjust fuel pump pressure to specifications Plugged or dirty burner nozzle Replace nozzle Faulty burner nozzle spray pattern Re...

Page 22: ...Dilute detergent to specifications Hole in detergent line s Repair hole Low detergent level Add detergent if needed PUMP RUNNING NORMALLY BUT PRESSURE LOW ON INSTALLATION Pump sucking air Check water...

Page 23: ...Ring plunger retainer worn Check and replace if necessary Cracked piston Check and replace if necessary Pump protector Lower water supply pressure Do not run with spray gun closed longer than 5 minute...

Page 24: ...24 Notes Landa MHP Operator s Manual 8 913 925 0 T...

Page 25: ...25 Parts Parts LANDA MHP MHP4 30324E 1 110 501 0 MHP4 35324E 1 110 503 0 MHP4 35224E 1 110 502 0 Landa MHP Operator s Manual 8 913 925 0 T...

Page 26: ...26 Control Panel Landa MHP Operator s Manual 8 913 925 0 T 10 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 21 8 22 8 22 18 24 1 19 23 19 Reversed View 19 8 6 23 24 20...

Page 27: ...9 9 802 485 0 1 BREAKER CIRCUIT 25 AMP 10 9 802 794 0 13 NUT CAGE 1 4 X 12 GAUGE 11 8 912 712 0 1 COVER MHP CONTROL 12 9 802 283 0 1 METER HOUR 13 9 802 453 0 1 SWITCH CURVETTE 120 V 220 V 14 9 802 4...

Page 28: ...VE RT ISS EM EN T W A R N IN G EX PO SE D PU LL EY S AN D BE LT S CA N CA US E IN JU RY PR EC AU CIO N A VE RT ISS EM EN T W A R N IN G To Tank 1 65 2 3 13 7 6 4 5 32 85 19 20 21 18 15 16 17 28 76 33...

Page 29: ...49 100 95 96 97 98 55 57 107 24 39 46 45 54 69 75 43 42 67 68 41 43 42 78 80 53 52 82 84 92 57 87 90 93 14 101 129 131 130 99 90 89 34 79 51 Wheel Kit Optional For Detail See Control Panel Illus 105 1...

Page 30: ...W 1 4 5 8 D SS 11 13 HP 8 CLAMP SCREW 5 16 W 1 4 5 8 D SS 16 HP 17 9 802 254 0 44 x 2 HOSE 1 4 PUSH ON 18 8 709 152 0 1 FILTER FUEL DISPOSABLE 19 8 933 009 0 2 GASKET BURNER PLATE 20 9 803 132 0 2 IN...

Page 31: ...H 52 8 912 704 0 1 CAGE MHP ASSEMBLY 53 9 802 794 0 11 NUT CAGE 1 4 X 12 GAUGE 54 9 803 532 0 4 ISOLATOR 5 16 F X F 1 55 9 802 776 0 4 NUT 5 16 ESNA NC 56 8 912 707 0 1 PANEL MHP REAR 57 8 718 980 0 8...

Page 32: ...URNER EHASR 12VDC DO 2T 12VDC S 8 756 491 0 1 FUEL NOZZLE 2 25 X 80 BZ W 100 PSI CHECK VALVE NOT SHOWN 86 8 718 980 0 4 WASHER 5 16 FLAT 87 9 802 789 0 2 NUT 3 8 HEX 88 9 802 867 0 1 GUARD MUFFLER 16...

Page 33: ...SED PULLEY 114 9 196 012 0 1 SCREW 10 24 X 1 4 115 8 706 996 0 1 ADAPTER 1 4 X 1 4 116 8 924 773 0 2 SHIM STAINLESS OPT TOP WRAP NOT SHOWN 117 9 802 428 0 52 CORD 12 3 118 9 802 519 0 1 STRAIN RELIEF...

Page 34: ...P Operator s Manual 8 913 925 0 T 22 17 20 21 16 11 22 23 13 14 15 19 18 10 5 4 3 1 2 2 26 25 12 30 30 29 24 9 Optional Wheel Kit Assembly 22 22 Float Tank Option Landa Pump With Float Tank Option Det...

Page 35: ...FLOAT 11 9 802 084 0 1 TANK PLASTIC UNIVERSAL FLOAT 12 8 707 058 0 1 STRAINER 1 4 HOSE BARB 13 8 707 061 0 1 STRAINER 1 2 BASKET 14 9 802 131 0 1 ELBOW 1 2 JIC X 1 2 90 15 8 707 000 0 1 CONNECTOR 1 2...

Page 36: ...QC MEG 1504 YELLOW 4 3000 4 3500 8 712 347 0 1 NOZZLE SAQC MEG 2504 GREEN 4 3000 4 3500 8 712 348 0 1 NOZZLE SAQC MEG 4004 WHITE 4 3000 4 3500 8 712 345 0 1 NOZZLE SAQC MEG 0004 RED 4 3000 4 3500 6 9...

Page 37: ...Detergent Injector REF PART NO QTY DESCRIPTION NOTES 1 9 802 216 0 1 INJECTOR DETERGENT NON ADJUST 3 2 6 390 126 0 2 CLAMP HOSE 46 54 ST 3 9 802 251 0 6 ft TUBE 1 4 X 1 2 CLEAR VINYL 4 8 707 057 0 1...

Page 38: ...Part Belt Size Qty MHP4 30324E LT4540 8 921 710 0 2AK84H 9 802 375 0 25mm 9 802 403 0 AX38 2 MHP4 35224E LT4540 8 921 710 0 2BK90 8 715 593 0 25mm 9 802 403 0 BX44 2 MHP4 35324E LT4540 8 921 710 0 2B...

Page 39: ...t Model Type Part Pulley Pulley Part Bushing Part 4 30324E 9 802 410 0 GX340 389cc HONDA 8 750 578 0 2AK30 9 803 298 0 HX1 5 11100 4 35224E 8 715 705 0 Vanguard 570cc BRIGGS 8 754 819 0 2BK32 8 715 57...

Page 40: ...ADER 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 MHP Operator s Manual 8 913 925 0 T 8 750 297 0 8 GPM 2320 PSI 8 750 298 0 8 GPM 36...

Page 41: ...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...

Page 42: ...42 MPH Series Wayne EHASR Burner Landa MHP Operator s Manual 8 913 925 0 T...

Page 43: ...8 756 742 0 1 JUNCTION BOX EHASR BLACK BODY 8 756 743 0 1 PLUG HOLE JUNCTION BOX M E NOT SHOWN 7 13392 1 SLOT COVER PLATE 8 8 700 732 0 1 BAND AIR BURNER INNER EHA SR 9 8 700 729 0 1 AIR BAND 8 HOLE...

Page 44: ...16 0 1 MANIFOLD HOUSING 11 9 804 498 0 6 O RING 2 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 M...

Page 45: ...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...

Page 46: ...8 913 925 0 Printed in U S A...

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