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Landa MHC
Hot Water - Gasoline Powered - Diesel/Oil Heated
Operator's Manual
E
0 0
3 5
C 4
M H
Pressure Washer
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
9.800-950.0 - BM
07/18/23
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Table of Contents
Related Manuals for Landa MHC3-24324
Summary of Contents for Landa MHC3-24324
- Page 1 Operator’s Manual Pressure Washer 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 9.800-950.0 - BM 07/18/23...
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Page 2: Machine Data Label
Machine Data Label Landa MHC 9.800-950.0 - BM... -
Page 3: Table Of Contents
Burner Nozzle ......18 Landa MHC Oil Burner ..... .18 Landa MHC Burner Air Adjustment. -
Page 4: How To Use This Manual
• Burner Nozzle Sales Representative: • Landa MHC Oil Burner • Landa MHC Burner Air Adjustment The model and serial number of your machine is • Fuel Pressure Adjustment located on a decal attached to the pressure washer. • Removal of Soot and Heating Coil •... -
Page 5: Safety
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... - Page 6 Gasoline engines on mobile or portable equipment WARNING: Risk of explosion — Operate only where shall be refueled: open flame or torch is permitted. a. outdoors; b. with the engine on the equipment stopped; Landa MHC 9.800-950.0 - BM...
- Page 7 CAN CAUSE BURNS Utiliser uniquement les zones de prise désignées du pistolet pulvérisateur et de la lance. Ne pas placer les mains ou les pieds sur des endroits non isolés de la laveuse à pression. Landa MHC 9.800-950.0 - BM...
- Page 8 ADVERTENCIA: Proteja la máquina contra congelamiento. 21. Do not allow acids, caustic or abrasive fluids to PROCTECT FROM pass through the pump. FREEZING Landa MHC 9.800-950.0 - BM...
- Page 9 26. Do not overreach or stand on unstable support. Keep good footing and balance at all times. Follow the maintenance instructions specified in the manual. Landa MHC 9.800-950.0 - BM...
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Page 10: Operations
Wand — Must be connected to the spray gun. protector onto floor. This system prevents internal High Pressure Hose — Connect one end to water pump damage pump high pressure discharge nipple and the other end to spray gun. Landa MHC 9.800-950.0 - BM... - Page 11 Operations Component Identification - MHC3-24324 Flue Adapter High 8.717-745.0 Pressure Coupler Hose Collar Stackless Top Stackless Top Adapter Kit Fuel Oil Adapter Kit Detergent (Optional 8.903-430.0) Tank Injector Discharge Gasket Nipple 8.717-425.0 Brake Burner Switch Burner Thermostat Hour Meter Garden Hose...
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Page 12: Assembly Instructions
300 CCA (battery not included). CAUTION: These machines are intended to be protected from outside environments. ATTENTION: Ces machines sont conçues pour être protégées contre l'environnement extérieur. Landa MHC 9.800-950.0 - BM... -
Page 13: Operation Instructions
NOTE: High pressure nozzle must be inserted at end of wand to obtain Burner will light automatically. high pressure. To apply soap read Detergents and General Operating NOTE: Do not start machine with Techniques section. burner switch on. Landa MHC 9.800-950.0 - BM... -
Page 14: Detergents And General Operating Techniques
Pre-rinse cleaning surface with fresh water. Place • Estos químicos provocaran daño en la detergent suction tube directly into cleaning solution and máquina y dañarana superficie que se está apply to surface at low pressure (for best results, limit your limpiando. Landa MHC 9.800-950.0 - BM... -
Page 15: Shutdown Instructions
100° F. one (1) gallon of fresh water. Pull trigger on spray gun and siphon water for one minute. STEP 4: Turn off water supply. STEP 5: Open spray gun to relieve remaining pressure. Landa MHC 9.800-950.0 - BM... -
Page 16: Maintenance
3. Pour about one teaspoon of engine oil through the spark plug hole, pull the starter grip several times 6. Always use high grade quality Landa cleaning and replace the plug. Then pull the starter grip products. -
Page 17: Maintenance And Service
Unloader Valves detergents. In areas where alkaline water is an extreme problem, periodic use of Landa Coil Descaler (part WARNING: The unloader valve on this pressure #8.914-296.0) will remove lime and other deposits washer has been factory set and sealed and is a field before coil becomes plugged. -
Page 18: Burner Nozzle
Tighten locking screws. For higher altitudes, the air band opening may need to be increased; for lower altitude, the .air band may need to be decreased. Landa MHC 9.800-950.0 - BM... -
Page 19: Removal Of Soot And Heating Coil
Maintenance Landa MHC Burner Air Adjustment Coil Re-installation Reinstall by reversing the above steps 9 through 1. CAUTION: If white smoke appears from burner exhaust vent during start-up or operation, discon- Final Note tinue use and readjust air bands. The 12 VDC burner systems can draw as much as 18 ATTENTION: Si de la fumée blanche s'échappe de... -
Page 20: Troubleshooting
Test and replace. 12V DC relay defective Test and replace. Check fuel pump for proper flow. Check solenoid flow Fuel is not reaching combustion chamber switch on machines with spray gun control for proper on-off flow control. Landa MHC 9.800-950.0 - BM... - Page 21 Check and replace if necessary. Tighten all clamps. Check detergent lines for Air is leaking holes. DETERGENT Filter screen on detergent suction hose is Clean or replace. DRAWING plugged Detergent has high viscosity Dilute detergent to specifications. Landa MHC 9.800-950.0 - BM...
- Page 22 Replace switch. WILL NOT RUN There is a loose wire Check and replace or tighten wiring. Burner motor is defective Replace motor. RELIEF VALVE Relief valve is defective Replace or repair relief valve. LEAKS WATER Landa MHC 9.800-950.0 - BM...
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Page 23: Preventative Maintenance
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 MHC 9.800-950.0 - BM... - Page 24 Notes Landa MHC 9.800-950.0 - BM...
- Page 25 9.800-950.0 • Printed in U.S.A.