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Summary of Contents for Landa MHP4 30324E
- Page 1 MHP 3000 & 3500 Series ® Hot Water -Gasoline Powered - Diesel/Oil Heated Pressure Washer Operator’s Manual 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 8.913-925.0-T 09/18/17...
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Page 2: Machine Data Label
Machine Data Label Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 3: Table Of Contents
Control Panel ......26 Landa MHP Left ......28 Landa MHP Right . -
Page 4: How To Use This Manual
Levels of hazards are identified that could result in product damage, personal injury, or severe injury resulting in death. The OPERATIONS section is to familiarize the operator with the operation and function of the machine. Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 5: Safety
When ordering parts, please specify model and serial number. Use only identical replacement parts. This machine is to be used only by trained operators. Landa MHP Operator’s Manual 8.913-925.0 - T... - Page 6 11. Do not confuse gasoline and fuel oil tanks. Keep create fumes which can ignite, proper fuel in proper tank. causing property damage or severe injury. RISK OF EXPLOSION: OPERATE ONLY WHERE OPEN FLAME OR TORCH IS PERMITTED Landa MHP Operator’s Manual 8.913-925.0 - T...
- Page 7 Use caution when oper- ating. Do not direct discharge stream at people or animals, or RISK OF INJECTION OR SEVERE INJURY severe injury or death will result. TO PERSONS. KEEP CLEAR OF NOZZLE. Landa MHP Operator’s Manual 8.913-925.0 - T...
- Page 8 If diesel is used, add a soot remover to every tankful. Follow the maintenance instructions specified in the manual. WARNING DO NOT SPRAY MACHINE OR ANY PEOPLE, ANIMALS OR ELECTRICAL PARTS. Landa MHP Operator’s Manual 8.913-925.0 - T...
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Page 9: Operations
NOTE: If trigger on spray gun is released for more than 2 minutes, water will leak from the pump protector. Warm water will discharge from pump protector onto floor. This system prevents internal pump damage. Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 10: Assembly Instructions
The oil level can also be checked fuel in proper tanks. style battery (battery not included). by using the dipstick on the top of Read engine operator manual for the pump. oil and other recommendations. Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 11: Operating Instructions
NOTE: For a more gentle rinse, select the white 40° or be inserted at end of wand to obtain high pressure. To green 25° nozzle. To scour the surface, select the yellow apply soap, read washing techniques section. 15° or red 0° nozzle. Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 12: Detergents And General Washing Techniques
3 or open detergent Apply safety latch to spray gun and close detergent valves then run the pressure washer for 1-2 valve. Select and install the desired high pressure minutes. nozzle. Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 13: Shutting Down And Clean-Up
100°F. detergent valve, pull trigger on spray gun and siphon water for one minute. STEP 5: Open spray gun to relieve STEP 4: Turn off water supply. remaining pressure. Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 14: Maintenance
Then pull the starter grip 6. Always use high grade quality Landa cleaning slowly until you feel increased pressure which products. indicates the piston is on its compression stroke 7. -
Page 15: Maintenance And Service
Maintenance The areas around the Landa washer should be kept Cleaning Of Coils clean and free of combustible materials, gasoline and In alkaline water areas, lime deposits can accumulate other flammable vapors and liquids. rapidly inside the coil pipes. This growth is increased by The flow of combustion and ventilating air to the burner the extreme heat build up in the coil. -
Page 16: Fuel Pressure Adjustment
Tighten locking screws. fuel spray while hotter temperatures will make for a thinner flow a more fine spray with the same nozzle. Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 17: Coil Removal
Do not throttle down the engines for any length of time. Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 18: Maintenance Schedule
Attention to regular preventative maintenance procedures will assist in preserving the performance of your equipment. Contact your Landa dealer for maintenance. Regular preventative maintenance will add many hours to the life of your pressure washer. -
Page 19: Oil Change Record
Check pump oil level before first use of your new Power Washer. Change pump oil after first 50 hours and every month or 500 hours thereafter. Use SAE 10W-40 non-foaming oil. Estimated Operating Estimated Operating Date Oil Changed Date Oil Changed Hours Since Last Oil Hours Since Last Oil Month/Day/Year Month/Day/Year Change Change Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 20: Troubleshooting
Manual (Continued on Check fuel pump for proper flow. Check solenoid Fuel not reaching combustion next page) flow switch on machines with spray gun control, chamber for proper on-off fuel flow control. Landa MHP Operator’s Manual 8.913-925.0 - T... - Page 21 Check fuel pump pressure. Replace pump if Weak fuel pump needed. WATER Fuel filter partially clogged Replace as needed. TEMPERATURE Soot build-up on coils not allowing heat Clean coils. transfer Improper burner nozzle See specifications. Landa MHP Operator’s Manual 8.913-925.0 - T...
- Page 22 POSSIBLE CAUSE SOLUTION Incoming water to machine warm or hot Lower incoming water temperature. Fuel pump pressure too high Call local Landa Dealer for proper fuel pressure. Fuel pump defective Replace fuel pump. WATER Tighten all clamps. Detergent line sucking air Check detergent lines for holes.
- Page 23 Position correctly, tighten set screw. Defective control switch Replace switch. MOTOR WILL NOT Loose wire Check and replace or tighten wiring. Defective burner motor Replace motor RELIEF VALVE Relief valve defective Replace or repair. LEAKS WATER Landa MHP Operator’s Manual 8.913-925.0 - T...
- Page 24 Notes Landa MHP Operator’s Manual 8.913-925.0 - T...
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Page 25: Parts
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: Control Panel
Control Panel (Reversed View) Landa MHP Operator’s Manual 8.913-925.0 - T... - Page 27 LABEL, NOZZLE/DET VALVE, MHP 8.932-968.0 LABEL, “OUTDOOR USE” 9.802-695.0 NUT, 10/32" 9.800-034.0 LEXAN, COVER, OUTDOOR 8.900-296.0 LABEL, CONTROL BOX 9.802-791.0 NUT, CAGE, 10/32" 16 GAUGE 9.800-094.0 LABEL, INSTRUCTION/WARNING 9.800-049.0 LABEL, MANUF. CLEANING SOLUTION Landa MHP Operator’s Manual 8.913-925.0 - T...
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Page 28: Landa Mhp Left
Landa MHP Left 73 70 Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 29: Landa Mhp Right
Landa MHP Right 89, 90, 94 87, 90, Detail See Control Panel Illus. Wheel Kit (Optional) Landa MHP Operator’s Manual 8.913-925.0 - T... - Page 30 PANEL, MHP CONTROL 9.802-754.0 SCREW, 1/4” X 1/2” HH, NC, WHIZ LOC 8.750-246.0 SCREW, 1/4” X 1/2” WHIZ LOC 9.802-753.0 SCREW, 1/4” X 3/4” HH, NC, WHIZ LOC 8.707-254.0 PUMP PROTECTOR, 3/8” PTP Landa MHP Operator’s Manual 8.913-925.0 - T...
- Page 31 LABEL, USE ONLY KEROSENE/DIESEL NOT SHOWN 9.802-146.0 SWIVEL, 1/2” MP X 3/4” GHF 8.707-055.0 STRAINER, INLET GARDEN HOSE 8.718-618.0 BOLT, 5/16” X 3/4” SEE SPECIFICATIONS PUMP PULLEY PAGE SEE SPECIFICATIONS ENGINE PULLEY PAGE Landa MHP Operator’s Manual 8.913-925.0 - T...
- Page 32 SWIVEL, 1/4" JIC FEM, PUSH-ON (11,13 HP) 9.802-151.0 SWIVEL, 1/2" JIC FEM, PUSH-ON (16 HP) 9.802-126.0 PLUG, 1/2" JIC, FLARE (16 HP) 9.802-125.0 PLUG, 1/4" JIC, FLARE (11,13 HP) 9.802-776.0 NUT, 5/16", ESNA, NC Landa MHP Operator’s Manual 8.913-925.0 - T...
- Page 33 NUT, 1/4" FLANGE 8.752-913.0 CLAMP, HOSE #64 9.802-744.0 BOLT, 10MM X 20MM, ZINC 8.718-961.0 WASHER, M10, SPLIT ZINC 9.802-807.0 WASHER 3/8" FLAT ZINC 8.754-911.0 CHECK VALVE, 1 WAY, 1/4" BARB 9.802-170.0 COUPLER, 3/8" PLUG, FEMALE Landa MHP Operator’s Manual 8.913-925.0 - T...
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Page 34: Detergent / Float Tank
Detergent / Float Tank Landa Pump With Float Tank Option 27 28 Float Tank Option Detergent Valve Option Optional Wheel Kit Assembly Landa MHP Operator’s Manual 8.913-925.0 - T... - Page 35 TUBE, 1/4" X 1/2" CLEAR VINYL 8.706-829.0 ELBOW, 1/2" STREET, BRASS 9.802-119.0 CROSS, 1/2" FEMALE, CAST 8.706-915.0 BUSHING, 1/2 X 1/4 BRASS 8.706-965.0 HOSE BARB 1/4" X BARB X 3/8" NPT 9.802-254.0 HOSE, 1/4" PUSH-ON Landa MHP Operator’s Manual 8.913-925.0 - T...
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Page 36: Hose & Spray Gun
NOT SHOWN 9.802-225.0 DETERGENT INJECTOR (ALL MODELS) 9.802-165.0 COUPLER, 1/4" FEMALE NOT SHOWN 9.802-096.0 QUICK COUPLER O-RING, SM NOT SHOWN 8.707-139.0 COUPLER, 1/4"PLUG, MALE, STEEL/ZINC NOT SHOWN 9.802-164.0 COUPLER, 1/4"SOCKET, FEMALE, BRASS NOT SHOWN Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 37: Detergent Injector
Detergent Injector 9.802-225.0 PART NO. DESCRIPTION NOTES 9.802-216.0 INJECTOR, DETERGENT, NON ADJUST, #3 6.390-126.0 CLAMP, HOSE, .46-, .54 ST 9.802-251.0 6 ft. TUBE, 1/4" X 1/2", CLEAR VINYL 8.707-057.0 STRAINER, 1/4", HOSE BARB Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 38: Specifications
Bushing Bushing Part # Belt Size/Qty MHP4- LT4540 8.921-710.0 2AK84H 9.802-375.0 25mm 9.802-403.0 AX38 (2) 30324E MHP4- LT4540 8.921-710.0 2BK90 8.715-593.0 25mm 9.802-403.0 BX44 (2) 35224E MHP4- LT4540 8.921-710.0 2BK90 8.715-593.0 25mm 9.802-403.0 BX39 (2) 35324E Landa MHP Operator’s Manual 8.913-925.0 - T... - Page 39 Pulley Part # Bushing Part# GX340 4-30324E 9.802-410.0 HONDA 8.750-578.0 2AK30 9.803-298.0 HX1" 5-11100 (389cc) Vanguard 4-35224E 8.715-705.0 BRIGGS 8.754-819.0 2BK32 8.715-576.0 HX1" 5-11100 (570cc) GX390 4-35324E 8.750-579.0 HONDA 8.750-579.0 2BK32 8.715-576.0 HX1" 5-11100 (389cc) Landa MHP Operator’s Manual 8.913-925.0 - T...
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Page 40: Vrt3 Unloader
8.750-299.0, 8 GPM, 4500 PSI PART NO. DESCRIPTION NOTES 8.750-713.0 OUTLET FITTING 8.750-712.0 KNOB, UNLOADER 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... -
Page 41: Vrt3 Unloader
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. Landa MHP Operator’s Manual 8.913-925.0 - T... -
Page 42: Mph Series Wayne "Ehasr" Burner
MPH Series Wayne “EHASR” Burner Landa MHP Operator’s Manual 8.913-925.0 - T... - Page 43 PUMP - COMBO 12V/24V 8.700-819.0 CAD CELL 8.756-661.0 TIMER, DROP-OUT NOT SHOWN 13494 BRASS 90° ELBOW 8.700-692.0 GASKET 8.756-299.0 GUN ASSEMBLY, BURNER-RG/*CST/GBB 8.756-305.0 FLANGE, AIR TUBE, WELDED 1.75" "E" (ALL PGHW’S) 8.700-724.0 AIR CONE 4A Landa MHP Operator’s Manual 8.913-925.0 - T...
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Page 44: Lt.2 Series Pump
O-RING Ø2.62 X 25.1 SEE KITS TABLE VALVE ASSEMBLY SEE KITS TABLE 9.803-193.0 O-RING 3068 SEE KITS TABLE 9.802-928.0 VALVE PLUG 8.753-817.0 MANIFOLD STUD BOLT 9.802-890.0 LOCK WASHER 8.719-008.0 COPPER WASHER 3/8 8.707-262.0 BRASS PLUG 3/8 Landa MHP Operator’s Manual 8.913-925.0 - T... - Page 45 KIT DESCRIPTION 18 mm 18 mm 18 mm Valve Seals ITEMS NUMBERS 3, 5, 7 3, 4, 5, 6, 7, 34, 35, 36, 37 11, 12, 13 INCLUDED NUMBER OF CYLINDERS KIT WILL SERVICE Landa MHP Operator’s Manual 8.913-925.0 - T...
- Page 46 ® 8.913-925.0 • Printed in U.S.A.
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