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5

Safety

Introduction & Safety Information

Thank you for purchasing this Pressure Washer.
We reserve the right to make changes at any time 

without incurring any obligation.

Owner/User Responsibility:

The owner and/or user must have an understanding of 

the manufacturer’s operating instructions and warnings 

before using this pressure washer. Warning information 

should be emphasized and understood. If the operator 

is not fluent in English, the manufacturer’s instructions 

and warnings shall be read to and discussed with the 

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 manufacturers’ instructions.
The operator must know how to stop the machine 

quickly and understand the operation of all controls. 

Never permit anyone to operate the engine without 

proper instructions.

SAVE THESE INSTRUCTIONS

This manual should be considered a permanent 

part of the machine and should remain with it if 

machine is resold.
When ordering parts, please specify model and

serial number. Use only identical replacement 

parts.
This machine is to be used only by trained 

operators.

Important Safety Information

WARNING: To reduce the risk of 

injury, read operating instructions 

carefully before using.
AVERTISSEMENT: Pour réduire le 

risque de blessures, lire attentive

-

ment les instructions de 

fonctionnement avant l'utilisation.
ADVERTENCIA: Para reducir el 

riesgo de lesiones, lea cuidadosa

-

mente las instrucciones de operación antes de 

usar.

1. Read the owner's manual thoroughly. Failure to 

follow instructions could cause malfunction of the 

machine and result in death, serious bodily injury 

and/or property damage.

2. Know how to stop the machine 

and bleed pressure quickly. Be 

thoroughly familiar with the 

controls.

3. Stay alert — watch what you are 

doing.

DANGER: Keep wand, hose, and 

water spray away from electric 

wiring or fatal electric shock may 

result.

AVERTISSEMENT: Garder la lance, le boyau et le jet 

d'eau à l'écart de tout câblage électrique ou des 

chocs électriques mortels pourraient survenir.

ADVERTENCIA: Mantenga la varilla, la manguera y el 

rocío de agua lejos del cableado eléctrico, ya que 

podrían producirse descargas eléctricas fatales.

4. All installations must comply with local codes. 

Contact your electrician, plumber, utility company 

or the selling dealer for specific details

Landa MHC  9.800-950.0 - BM

WARNING

    READ SAFETY 

 INSTRUCTIONS PRIOR

TO INSTALLING OR 

SERVICING MACHINE

OPERATIONS

SAFET

Y

MAINTENANCE

DANGER

       

KEEP WATER 

 SPRAY AWAY FROM 

ELECTRICAL WIRING.

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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