Landa MHC3-24324 User Manual Download

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9.800-950.0 - BM 07/18/23

Landa MHC

Hot Water - Gasoline Powered - Diesel/Oil Heated

Operator’s Manual

Pressure Washer

SenDEC

TAC

H/H

1/10

MHC43500E

MODELS:

MHC3-24324

1.110-087.0

MHC3-30324

1.110-038.0

MHC4-30324

1.110-039.0

MHC4-30324E

1.110-040.0

MHC4-30324E/S

1.110-041.0

MHC4-35324E

1.110-042.0

MHC4-35324E CAL

1.110-084.0

MHC4-35324E/B

1.110-077.0

MHC4-35324E/B CAL

1.110-081.0

For the Landa Dealer nearest

you, consult our web page at

www.landa.com

Summary of Contents for MHC3-24324

Page 1: ...HOU R 1 10 MHC43500E MODELS MHC3 24324 1 110 087 0 MHC3 30324 1 110 038 0 MHC4 30324 1 110 039 0 MHC4 30324E 1 110 040 0 MHC4 30324E S 1 110 041 0 MHC4 35324E 1 110 042 0 MHC4 35324E CAL 1 110 084 0...

Page 2: ...2 Landa MHC 9 800 950 0 BM Machine Data Label...

Page 3: ...4 Thermal Pump Protection 14 Shutdown Instructions 15 Maintenance Storage 16 After Extended Storage 16 Engine Maintenance 16 Maintenance And Service 17 Unloader Valves 17 Winterizing Procedure 17 High...

Page 4: ...omponents in good working condition They are listed in this general order Storage Engine Maintenance Maintenance And Service Unloader Valves Winterizing Procedure High Limit Hot Water Thermostat Pump...

Page 5: ...perators Important Safety Information WARNING To reduce the risk of injury read operating instructions carefully before using AVERTISSEMENT Pour r duire le risque de blessures lire attentive ment les...

Page 6: ...or torch is permitted AVERTISSEMENT Risque d explo sion Utiliser uniquement dans des endroits o l utilisation d une flamme nue ou d une torche est permise ADVERTENCIA Riesgo de explosi n Opere s lo d...

Page 7: ...ted areas of the pressure washer AVERTISSEMENT Risque de bles sures Les surfaces chaudes peuvent causer des br lures Utiliser uniquement les zones de prise d sign es du pistolet pulv risateur et de la...

Page 8: ...e 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 water and no hotte...

Page 9: ...ly cool down or maintain the heating coil may result in a steam explosion 26 Do not overreach or stand on unstable support Keep good footing and balance at all times 27 Do not operate this machine whe...

Page 10: ...unlikely event the unloader valve fails Unloader Valve Safety device which when the spray gun closes prevents over pressurization not shown NOTE If trigger on spray gun is released for more than 2 mi...

Page 11: ...not included Brass Soap Nozzle Variable Pressure Control Wand Burner Switch Thermostat Garden Hose Inlet Connector Strainer Water Supply Hose not included Hour Meter Stackless Top Adapter Kit Stackles...

Page 12: ...el in proper tanks STEP 3 Attach wand to spray gun using teflon tape on threads to prevent leakage Attach swivel connector on discharge hose to spray gun using teflon tape on threads Attach swivel con...

Page 13: ...rating the starter again When the engine starts allow the engine switch to return to the ON position If the engine is to be started without the battery turn switch to start position and pull rope to s...

Page 14: ...best results limit your work area to sections approximately 6 feet square and always apply detergent from bottom to top Allow detergent to remain on surface 1 3 minutes Do not allow detergent to dry...

Page 15: ...to cool below 100 F STEP 5 Open spray gun to relieve remaining pressure STEP 3 Turn engine off Landa MHC 9 800 950 0 BM Sen DEC TACH HOUR 1 10 Burner Switch Burner Switch For MHC3 24324 HA UD Key Swi...

Page 16: ...feel increased pressure which indicates the piston is on its compression stroke and leave it in that position This closes both the intake and exhaust valves to prevent rusting of cylinder 4 Cover the...

Page 17: ...hose into the bucket and connect it to the machine Elevate the bucket and turn the pump on to siphon the anti freeze through the machine If compressed air is available an air fitting can be screwed in...

Page 18: ...band opening may need to be increased for lower altitude the air band may need to be decreased For higher humidity the air band opening may need to be increased for lower relative humidity the air ba...

Page 19: ...om pump unloader to inlet side of the coil 2 Remove thermostat sensor 3 Remove the tank head assembly by unscrewing six screws and lifting the top wrap off 4 Fold back insulation blanket 5 Remove the...

Page 20: ...e center for details BURNER WILL NOT LIGHT There is little or no fuel Fill tank with fuel Improper fuel or water in fuel Drain fuel tank and fill with proper fuel Fuel line is clogged Clean or replace...

Page 21: ...educe fuel pressure PSI Increase air band set for cleaner without max water heat loss LOW WATER TEMPERATURE Fuel is improper or has water in it Replace with clean and proper fuel Fuel pressure is low...

Page 22: ...t higher alti tudes it may be necessary to install a high altitude main jet in the carburetor Contact your local authorized engines sales and service center for details PUMP NOISY Air is in suction li...

Page 23: ...50 hours and every month or 500 hours thereafter Use SAE 10W 40 non foaming oil MAINTENANCE SCHEDULE Pump Oil non foaming SAE 10W 40 Inspect Oil level daily Change After first 50 hours then every 500...

Page 24: ...24 Notes Landa MHC 9 800 950 0 BM...

Page 25: ...9 800 950 0 Printed in U S A...

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